The Buffer,recoil Mechanism, cataloged under National Stock Number 1010-01-357-5683, is classified within Federal Supply Class 1010 (Guns, Over 30mm up to 75mm) of the Weapons group. The manufacturer of record is Itt Enidine Inc. Dba Itt Enidine Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1010-01-357-5683 |
| Primary Part Number | SP-4263 |
| Item Name | Buffer,recoil Mechanism |
| FSC / FSG | 1010 / 10 — Guns, Over 30mm up to 75mm |
| Manufacturer | Itt Enidine Inc. Dba Itt Enidine Inc |
| Status | ACTIVE |
| General Characteristics Item Description | APPL 50 CALIBER MACHINE GUN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SP-4263 PRIMARY | Itt Enidine Inc. Dba Itt Enidine Inc (USA) |
| Reference | Meaning |
|---|---|
| SP-4263-J | 5/9 Secondary reference Itt Enidine Inc. Dba Itt Enidine Inc |
NSN 1010-01-357-5683 is a Buffer,recoil Mechanism, manufactured by Itt Enidine Inc. Dba Itt Enidine Inc, classified under FSC 1010, Guns, Over 30mm up to 75mm. Status: active.
NSN 1010-01-357-5683 has 1 manufacturer part number on file: SP-4263 (Itt Enidine Inc. Dba Itt Enidine Inc).
Key specifications for SP-4263: General Characteristics Item Description: APPL 50 CALIBER MACHINE GUN; End Item Identification: 1005-01-319-2649. 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 1010-01-357-5683 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.