The Screw,close Tolerance, cataloged under National Stock Number 5305-01-043-1369, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-043-1369 |
| Primary Part Number | GB510BC3-10 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Specification/standard Data | 26512-GB510B PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | CADMIUM OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Material | STEEL COMP H11 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| GB510BC3-10 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 106706H-3-10 | 5/9 Secondary reference U.S. Government activity |
| HT8171-3-10 | 5/9 Secondary reference U.S. Government activity |
| H148-3-10 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| 106706H-3-10 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| H148-3-10 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-043-1369 is a Screw,close Tolerance, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-043-1369 has 1 manufacturer part number on file: GB510BC3-10 (Northrop Grumman Systems Corporation).
Key specifications for GB510BC3-10: Surface Finish: 32.0 MICROINCHES GRIP; Specification/standard Data: 26512-GB510B PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Surface Treatment: CADMIUM OVERALL; Countersink Angle: 100.0 DEGREES NOMINAL. 6 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.