The Screw,machine, cataloged under National Stock Number 5305-00-673-3310, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 14 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-673-3310 |
| Primary Part Number | 41137 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Head Height | 0.190 INCHES NOMINAL IN |
| Screw Surface Treatment | CHROMIUM |
| Fastener Length | 0.560 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS 5620 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.560 INCHES MAXIMUM IN |
| Hardness Rating | 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.248 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 41137 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 5305-00-673-3310 is a Screw,machine, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-673-3310 has 1 manufacturer part number on file: 41137 (Triumph Engine Control Systems Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5340-00-753-5573, 9905-01-138-3823, 3040-01-475-7149. Verify interchangeability with system specifications before substitution.
Key specifications for 41137: Head Height: 0.190 INCHES NOMINAL IN; Screw Surface Treatment: CHROMIUM; Fastener Length: 0.560 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS 5620 ASSN STD SINGLE MATERIAL RESPONSE. 14 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.