The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-651-4885, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Barnhill Bolt Co., Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-651-4885 |
| Primary Part Number | 511-832-14-BLACK |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Barnhill Bolt Co., Inc. |
| Status | ACTIVE |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.0164 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 511-832-14-BLACK | Barnhill Bolt Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 31-BBS-8C-25 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-651-4885 is a Screw,cap,socket Head, manufactured by Barnhill Bolt Co., Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-651-4885 has 1 manufacturer part number on file: 511-832-14-BLACK (Barnhill Bolt Co., Inc.).
Key specifications for 511-832-14-BLACK: Fastener Length: 0.750 INCHES NOMINAL IN; Nominal Thread Diameter: 0.0164 INCHES IN; Head Style: BUTTON; Thread Direction: RIGHT-HAND. 10 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.