← Nambu Type 14 reference page · This work order as JSON ·
Work order — Nambu Type 14
Taking the firearm apart for a job such as refinishing, and putting it back together to specification. Generated from the Pew-Takedown entry last updated 2026-10-29. Confidence: medium.
| Work order # | |
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| Customer | |
| Model on the bench | |
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- This work order is written for the Nambu Type 14. It is reported to cover Type 14 early and late (large trigger guard) production — if the firearm on the bench is one of those, check the torque notes: values do not always carry over.
- No torque values are recorded for this firearm. Get them from the manufacturer or a gunsmith; do not estimate.
Shop difficulty: Tier 2 of 3
A simple, open design that strips with a drift and hammer, but the US manual warns that the trigger-release spring and plunger and the sear spring are small and under considerable compression, and that the magazine-catch spring flies. No part count found, so the tier rests on the manual's warnings. Pew-Takedown's rating, not the manufacturer's.
Bench time: strip ~25 min, rebuild ~40 min (estimate). Actual: strip ______ rebuild ______
Special tools:
- drift and hammer — Trigger-release and sear pins (per TM-E 30-480)
Watch for:
- Collectors warn that many Type 14s have been damaged by people trying to take them apart without knowing how. (disassembly; Nambuworld.com (Teri Ursacki))
1. Clear and make safe
- Point the muzzle in a safe direction and keep your finger off the trigger.
- Press the magazine release and remove the magazine.
- Retract the slide fully to eject any chambered round and lock it open.
- Visually inspect the chamber and magazine well, then physically feel the chamber to confirm it is empty.
Warning: Look and feel. Both, every time. - Note that the magazine safety will make the trigger feel dead with the magazine removed. That is not a clearing check.
- Remove all live ammunition from the work area.
2. Disassemble
Field Strip
- Complete the Clear and Make Safe procedure.
- Rotate the safety lever to the fire position and retract the bolt.
Tip: The large rotating lever on the left of the frame is the safety. - Depress the recoil spring retainer and withdraw the bolt and recoil spring assembly rearward out of the receiver.
Warning: The recoil spring is under compression. - Withdraw the striker and its spring from the bolt.
Warning: Inspect the striker for cracks and the spring for weakness — this is the known failure point. - Clean the bore, chamber, bolt face, and striker channel. Reinstall the striker dry.
- Stop here. The frame lockwork is intricate and parts are essentially unobtainable.
3. Refinish
The components the procedures above separate. Coating, masking and cure are outside this database; follow your coating system's instructions. A part the manufacturer marks "factory fit" should not be swapped or reworked.
| Component separated | Out | Coated | Back in |
|---|---|---|---|
| Bolt | |||
| Recoil spring assembly | |||
| Striker | |||
| Striker spring |
No manufacturer statement of materials or finish is recorded. Identify each part's material before choosing prep and cure.
4. Reassemble
Reassembly
- Reinstall the striker and its spring into the bolt.
- Insert the bolt and recoil spring assembly into the receiver and secure the retainer.
- Cycle the bolt several times and confirm it returns fully into battery.
- Perform the function check.
5. Torque
No manufacturer torque values are recorded for this firearm.
Fit or check on rebuild
- Firing pin condition — Type 14 firing pins are notoriously brittle; inspect before reassembly (well known among collectors, not sourced here)
- Function check: trigger reset, sear/striker engagement, safeties — Standard post-reassembly check on any pistol whose fire-control parts were removed; a mis-seated spring shows up here, not on the bench
6. Function check
- Verify the pistol is unloaded with no magazine inserted before each check.
- With a magazine inserted (required by the magazine safety), cock the action and press the trigger. The striker should release.
- Remove the magazine and press the trigger — the magazine safety should prevent release.
- Rotate the safety lever to safe and confirm the trigger is blocked.
- Confirm the striker moves freely in its channel and shows no cracks.
If any check fails, the firearm is not safe to fire. Stop and see a licensed gunsmith.
Sources
- Japanese Infantry Weapons (TM-E 30-480) — U.S. War Department secondary
- Military Pistols of Japan — Fred Honeycutt secondary
- Disassembling These Guns — Nambuworld.com (Teri Ursacki) secondary
https://nambuworld.com/disassembling.htm
| Reassembled and function-checked by | Date |
|---|
Educational guide only. Some information comes from non-authoritative sources. Always consult your manufacturer's manual and a licensed gunsmith. Verify your firearm is unloaded before every procedure. Full disclaimer: https://github.com/Fundamental-build-LLC/Pew-Takedown
Legal notice: this material is third-party information compiled from sources of varying reliability and is provided for general informational and educational purposes only. It is not gunsmithing, technical, safety or legal advice, it is not verified or endorsed by any manufacturer, and it must not be taken as fact. Any work on a firearm beyond the routine field stripping described in its own owner's manual should be performed only by a licensed and insured gunsmith. You use this material entirely at your own risk. Fundamental Build LLC and the project's contributors make no warranty of any kind and accept no liability for death, injury, damage or loss arising from its use. Full terms: LEGAL.md.