The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-549-0337, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is United States Department of the Navy Dba Naval Surface Warfare Center Panama City. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-549-0337 |
| Primary Part Number | 7498499-1 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | United States Department of the Navy Dba Naval Surface Warfare Center Panama City |
| Status | ACTIVE |
| Head Height | 5.3 MILLIMETERS NOMINAL MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 35.3 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 8.0 |
| Thread Length | 30.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 13.0 MILLIMETERS NOMINAL MM |
| Minimum Tensile Strength | 53000 POUNDS PER SQUARE INCH LBS |
| Material | PLASTIC NYLON STAND-OFF |
| Thread Series Designator | M |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-01-549-0337 is a Screw,cap,hexagon Head, manufactured by United States Department of the Navy Dba Naval Surface Warfare Center Panama City, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-549-0337 has 2 manufacturer part numbers on file: 7498499-1 (Naval Sea Systems Command), 7498499-1 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-549-0343. Verify interchangeability with system specifications before substitution.
Key specifications for 7498499-1: Head Height: 5.3 MILLIMETERS NOMINAL MM; External Thread Tolerance Class: 6G G; Fastener Length: 35.3 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 8.0. 12 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.
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.