The Screw,machine, cataloged under National Stock Number 5305-01-285-9331, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hayden Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-285-9331 |
| Primary Part Number | 007723 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hayden Inc |
| Status | ACTIVE |
| Head Height | 0.198 INCHES MINIMUM AND 0.216 INCHES MAXIMUM IN |
| Screw Surface Treatment | ZINC |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Screw Material Document and Classification | SAE J429 GR 2 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 1.639 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | ROUND |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.557 INCHES MINIMUM AND 0.590 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 |
NSN 5305-01-285-9331 is a Screw,machine, manufactured by Hayden Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-285-9331 has 2 manufacturer part numbers on file: 007723 (Daimler Truck North America Llc), 007723 (Hayden Inc).
Key specifications for 007723: Head Height: 0.198 INCHES MINIMUM AND 0.216 INCHES MAXIMUM IN; Screw Surface Treatment: ZINC; Fastener Length: 1.750 INCHES NOMINAL IN; Screw Material Document and Classification: SAE J429 GR 2 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.