The Screw,machine, cataloged under National Stock Number 5305-01-131-4355, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-131-4355 |
| Primary Part Number | 580R869H27 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Head Height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 1.640 INCHES MINIMUM AND 1.687 INCHES MAXIMUM IN |
| Screw Material Document and Classification | MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.364 INCHES NOMINAL IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Screw Material | STEEL CORROSION RESISTING |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 580R869H27 | Fastener Technology Corp (USA) |
| 6751-SS-2528-7 | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| 580R869H27 | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| 580R869H27 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 580R869H27 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-01-131-4355 is a Screw,machine, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-131-4355 has 4 manufacturer part numbers on file: 580R869H27 (Fastener Technology Corp), 6751-SS-2528-7 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware), 580R869H27 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware), 580R869H27 (Northrop Grumman Support Services Corp).
Key specifications for 580R869H27: Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 1.640 INCHES MINIMUM AND 1.687 INCHES MAXIMUM IN; Screw Material Document and Classification: MIL-S-18732 MIL SPEC 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.