The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-331-5799, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-331-5799 |
| Primary Part Number | GS1001A06U010 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace |
| Status | ACTIVE |
| Head Height | 0.210 INCHES NOMINAL IN |
| Fastener Length | 1.028 INCHES MINIMUM AND 1.075 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | STSBS001,CAGEC 98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.419 INCHES NOMINAL IN |
| Material Document and Classification | STSBS001,CAGEC 98897 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | CETYL ALCOHOL LUBRICANT |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.623 INCHES NOMINAL IN |
| Width Between Flats | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE AND NICKEL AND CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| 11701A06U010 | Reid Products Inc. Dba Reid Products Inc (USA) |
| GS1001A06U010 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| AIC2264A06U010 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| VAL23602-6D010 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| SII112828A06U010 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| PBF1042A6U010 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 8485-6A010 | Alta Products Co Inc (USA) |
| Reference | Meaning |
|---|---|
| BM3210-6A010A525 | 5/9 Secondary reference Huck International, Inc |
| STSBG001A06U010 | 1/2 Source control — Government-approved source U.S. Government activity |
| VS2979A06U010 | 5/9 Secondary reference U.S. Government activity |
| BM3210-6A010 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-331-5799 is a Bolt,close Tolerance, manufactured by B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-331-5799 has 7 manufacturer part numbers on file: 11701A06U010 (Reid Products Inc. Dba Reid Products Inc), GS1001A06U010 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), AIC2264A06U010 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), VAL23602-6D010 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), SII112828A06U010 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries) and 2 more.
Key specifications for GS1001A06U010: Head Height: 0.210 INCHES NOMINAL IN; Fastener Length: 1.028 INCHES MINIMUM AND 1.075 INCHES MAXIMUM IN; Surface Treatment Document and Classification: STSBS001,CAGEC 98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.419 INCHES NOMINAL IN. 17 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.