The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-159-2661, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Reid Products Inc. Dba Reid Products Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-159-2661 |
| Primary Part Number | 11701A05U020 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Reid Products Inc. Dba Reid Products Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.187 INCHES NOMINAL IN |
| Fastener Length | 1.593 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN |
| Thread Length | 0.343 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Material Document and Classification | H-11,STSBS001,LOCKHEED AIRCRAFT CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.250 INCHES NOMINAL IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL AND CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 156000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL 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 |
|---|---|
| 11701A05U020 | Reid Products Inc. Dba Reid Products Inc (USA) |
| STSBG001A05U020 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| STSBG001A05U020 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| STSBG001A05U020 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| STSBG001A05U020 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| Reference | Meaning |
|---|---|
| 68485-5A020 | 3/2 Design control — primary reference U.S. Government activity |
| 68485-5A020 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| STSBG001A05U020 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5306-00-159-2661 is a Bolt,close Tolerance, manufactured by Reid Products Inc. Dba Reid Products Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-159-2661 has 5 manufacturer part numbers on file: 11701A05U020 (Reid Products Inc. Dba Reid Products Inc), STSBG001A05U020 (Sps Technologies, Llc Dba PB Fasteners), STSBG001A05U020 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), STSBG001A05U020 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), STSBG001A05U020 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries).
Key specifications for 11701A05U020: Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.187 INCHES NOMINAL IN; Fastener Length: 1.593 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN. 18 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.