The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-623-7830, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-623-7830 |
| Primary Part Number | 532855-1 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic |
| Status | ACTIVE |
| Head Height | 0.500 INCHES NOMINAL IN |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | NICKEL ALLOY 502 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.750 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 |
|---|---|
| 532855-1 PRIMARY | Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic (USA) |
| Reference | Meaning |
|---|---|
| 532855 | 7/2 Vendor item drawing reference Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic |
NSN 5305-01-623-7830 is a Screw,cap,socket Head, manufactured by Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-623-7830 has 1 manufacturer part number on file: 532855-1 (Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic).
Key specifications for 532855-1: Head Height: 0.500 INCHES NOMINAL IN; Fastener Length: 1.750 INCHES NOMINAL IN; Thread Length: 1.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.500 INCHES 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.