The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-285-4922, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-285-4922 |
| Primary Part Number | 70905486669 PC 59 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN |
| Fastener Length | 2.460 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN |
| Thread Length | 2.101 INCHES MINIMUM AND 2.266 INCHES MAXIMUM IN |
| Hardness Rating | 80.0 ROCKWELL B MINIMUM OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | 4 TYPE |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 30000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL COMP XM-7 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.720 INCHES MINIMUM AND 0.781 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 |
| Part Number | Manufacturer |
|---|---|
| 70905486669 PC 59 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| FFS86TY40.37516 UNC3AX2.500 | 5/9 Secondary reference Zf Industrieantriebe Witten Gmbh |
| FF-S-86 | 4/1 Identification reference U.S. Government activity |
| 375-16NC-3AX2.500 LG | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-285-4922 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-285-4922 has 1 manufacturer part number on file: 70905486669 PC 59 (Naval Sea Systems Command).
Key specifications for 70905486669 PC 59: Width Across Flats: 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN; Fastener Length: 2.460 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN; Thread Length: 2.101 INCHES MINIMUM AND 2.266 INCHES MAXIMUM IN; Hardness Rating: 80.0 ROCKWELL B MINIMUM OVERALL. 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.