The Pin,firing, cataloged under National Stock Number 1377-01-125-8900, is classified within Federal Supply Class 1377 (Cartridge and Propellant Actuated Devices and Components) of the Ammunition and Explosives group. The manufacturer of record is Martin-Baker Aircraft Company Limited. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1377-01-125-8900 |
| Primary Part Number | MBEU 69478 |
| Item Name | Pin,firing |
| FSC / FSG | 1377 / 13 — Cartridge and Propellant Actuated Devices and Components |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Striking End Type | SPHERICAL |
| Firing Pin Type | MULTIPLE SHOULDER |
| Striking End Diameter | 0.088 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN |
| Material Document and Classification | STEEL, NICKEL-CHROMIUM ASSN STD SINGLE MATERIAL RESPONSE |
| Casehardening Indicator | NOT CASEHARDENED |
| Surface Treatment | CHROMIUM |
| Material | STEEL ALLOY |
| Striking End Radius | 0.045 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| MBEU 69478 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 1377-01-125-8900 is a Pin,firing, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 1377, Cartridge and Propellant Actuated Devices and Components. Status: active.
NSN 1377-01-125-8900 has 1 manufacturer part number on file: MBEU 69478 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU 69478: Striking End Type: SPHERICAL; Firing Pin Type: MULTIPLE SHOULDER; Striking End Diameter: 0.088 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN; Material Document and Classification: STEEL, NICKEL-CHROMIUM ASSN STD SINGLE MATERIAL RESPONSE. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1377-01-125-8900 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.