The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-264-3755, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Firstmark Aerospace Corp. The record lists 2 manufacturer part numbers 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.
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Firstmark Aerospace Corp (CAGE 3BMV1); Honeywell International Inc. Dba Honeywell International (CAGE 07187) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-264-3755 |
| Primary Part Number | 2557340 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Firstmark Aerospace Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-01-264-3755 is a Screw,externally Relieved Body, manufactured by Firstmark Aerospace Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-264-3755 has 2 manufacturer part numbers on file: 2557340 (Firstmark Aerospace Corp), 2557340 (Honeywell International Inc. Dba Honeywell International).
1 possible match (shared part number, not a government interchangeability claim): 4920-01-431-9039. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.