The Screw,machine, cataloged under National Stock Number 5305-01-440-1232, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-440-1232 |
| Primary Part Number | 60-3953-1 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Head Height | 1.875 INCHES NOMINAL IN |
| Fastener Length | 1.875 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.113 INCHES NOMINAL IN |
| Thread Length | 1.966 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.067 INCHES IN |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.278 INCHES NOMINAL IN |
| 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 |
|---|---|
| 60-3953-1 PRIMARY | Grimes Aerospace Company (USA) |
NSN 5305-01-440-1232 is a Screw,machine, manufactured by Grimes Aerospace Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-440-1232 has 1 manufacturer part number on file: 60-3953-1 (Grimes Aerospace Company).
Key specifications for 60-3953-1: Head Height: 1.875 INCHES NOMINAL IN; Fastener Length: 1.875 INCHES NOMINAL IN; Distance From Centerline to Flat: 0.113 INCHES NOMINAL IN; Thread Length: 1.966 INCHES NOMINAL 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.