The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-253-4858, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Product Components Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-253-4858 |
| Primary Part Number | 5943028 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Product Components Corporation |
| Status | ACTIVE |
| Width Across Flats | 0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN |
| Head Height | 0.151 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Fastener Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Thread Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.255 INCHES MINIMUM AND 0.275 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 |
|---|---|
| 5943028 PRIMARY | Product Components Corporation (USA) |
| Reference | Meaning |
|---|---|
| 5943028 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 922-9160-0031 | 5/9 Secondary reference Gries Dynacast Co Div of Coats and Clark Inc |
NSN 5305-01-253-4858 is a Screw,cap,socket Head, manufactured by Product Components Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-253-4858 has 1 manufacturer part number on file: 5943028 (Product Components Corporation).
Key specifications for 5943028: Width Across Flats: 0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN; Head Height: 0.151 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN; Fastener Length: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; Thread Length: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM 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.