The Breech Body Assembly, cataloged under National Stock Number 1680-00-004-2925, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Martin-Baker Aircraft Company Limited. Government technical data includes 1 specification, 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-004-2925 |
| Primary Part Number | MB300-38 |
| Item Name | Breech Body Assembly |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| General Characteristics Item Description | CONSIST OF BODY,OUTLET CONNECTOR,TAB WASHER,10.32UNF CAP HEADSCREW 1/2 IN. LG,0-RING SEAL AND PROTECTIVE CAP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MB300-38 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 1680-00-004-2925 is a Breech Body Assembly, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-004-2925 has 1 manufacturer part number on file: MB300-38 (Martin-Baker Aircraft Company Limited).
1 possible match (shared part number, not a government interchangeability claim): 8430-01-719-4037. Verify interchangeability with system specifications before substitution.
Key specifications for MB300-38: General Characteristics Item Description: CONSIST OF BODY,OUTLET CONNECTOR,TAB WASHER,10.32UNF CAP HEADSCREW 1/2 IN. LG,0-RING SEAL AND PROTECTIVE CAP IN; End Item Identification: F-18 AIRCRAFT. 1 specification is 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 1680-00-004-2925 has DEMIL Code Q. 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.