The Screw,machine, cataloged under National Stock Number 5305-01-497-3370, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-497-3370 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Screw Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | NICKEL ALLOY |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.359 INCHES MINIMUM AND 0.385 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 |
| Reference | Meaning |
|---|---|
| NASM24693 | 5/9 Secondary reference U.S. Government activity |
| MS24693-N75 | 5/9 Secondary reference Zf Industrieantriebe Witten Gmbh |
| MS24693-N75 | 5/9 Secondary reference U.S. Government activity |
| MS24693-N75 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-497-3370 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-678-6888. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-01-497-3370: Fastener Length: 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Screw Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE; Thread Length: 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.1900 INCHES IN. 13 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.