The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-655-4642, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Continental Cleaning Service. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-655-4642 |
| Primary Part Number | 79056 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Continental Cleaning Service |
| Status | ACTIVE |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 316 OVERALL |
| 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 |
|---|---|
| 79056 | Continental Cleaning Service (USA) |
| Reference | Meaning |
|---|---|
| 1025C11-0484-05 | 3/9 Design control — primary reference Vulcan Steam Forging Co |
| 1025C11-0484 | 7/9 Vendor item drawing reference Vulcan Steam Forging Co |
NSN 5305-01-655-4642 is a Screw,cap,socket Head, manufactured by Continental Cleaning Service, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-655-4642 has 1 manufacturer part number on file: 79056 (Continental Cleaning Service).
Key specifications for 79056: Thread Length: 1.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN; Head Style: FLAT CHAMFER; Thread Direction: RIGHT-HAND. 8 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.