The Screw,machine, cataloged under National Stock Number 5305-00-273-5682, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is General Motors Corp. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-273-5682 |
| Primary Part Number | 8553187-021 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Head Height | 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Screw Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.250 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.073 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | 1 TYPE AND 4S STYLE |
| 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 | 72 |
| Thread Series Designator | UNF |
| Head Diameter | 0.104 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| 8553187-021 | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 8553187-021 | 5/9 Secondary reference U.S. Government activity |
| LIQ501C1-4 | 3/2 Design control — primary reference U.S. Government activity |
| FFS92TYPE1STYLE4S | 4/1 Identification reference U.S. Government activity |
NSN 5305-00-273-5682 is a Screw,machine, manufactured by General Motors Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-273-5682 has 1 manufacturer part number on file: 8553187-021 (General Motors Corp).
Key specifications for 8553187-021: Head Height: 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Screw Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE. 17 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.