The Screw,machine, cataloged under National Stock Number 5305-00-550-5000, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5305-00-550-5000 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Screw Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 64 |
| Thread Series Designator | UNF |
| Head Diameter | 0.155 INCHES MINIMUM AND 0.167 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 |
|---|---|
| 72157 | 5/2 Secondary reference U.S. Government activity |
| MS35234-2 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-00-550-5000 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3120-00-988-4561, 2610-01-220-6413. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-00-550-5000: Head Height: 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Screw Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE. 15 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.