The Screw,machine, cataloged under National Stock Number 5305-01-481-2029, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-481-2029 |
| Primary Part Number | 122-2422328 PC 11 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Fastener Length | 0.750 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 81348-FF-S-86 GOVERNMENT SPECIFICATION |
| Screw Material | STEEL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 122-2422328 PC 11 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| FF-S-86 TY IV GR 316 | 4/1 Identification reference U.S. Government activity |
| 122-2422328 PC 11 | D/9 Drawing number reference only U.S. Government activity |
NSN 5305-01-481-2029 is a Screw,machine, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-481-2029 has 1 manufacturer part number on file: 122-2422328 PC 11 (Naval Sea Systems Command).
Key specifications for 122-2422328 PC 11: Fastener Length: 0.750 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.3125 INCHES IN; Head Style: FLAT COUNTERSUNK; Thread Direction: RIGHT-HAND. 9 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.