The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-385-5976, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 14 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-385-5976 |
| Primary Part Number | AIC753-5-26 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Fastener Length | 2.076 INCHES MINIMUM AND 2.123 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.467 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN |
| Width Between Flats | 0.562 INCHES MINIMUM IN |
| Grip Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 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 |
|---|---|
| AIC753-5-26 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M453-5-26 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| ST3M453-5-26 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M453-5-26 | J M Precision Inc (USA) |
| BM17019-5-26 PRIMARY | Huck International, Inc (USA) |
| 11825-5-26 | Reid Products Inc. Dba Reid Products Inc (USA) |
| PBF1253-5-26 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VS3204-5-26 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| MB61-5-26 PRIMARY | Hi-Shear Corporation (USA) |
| 109453-5-26 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M453-5-26 | Heartland Precision Fasteners Inc (USA) |
| VAL23029-5-26 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB61-5-26 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| GS1016-5-26 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| Reference | Meaning |
|---|---|
| BM17019-5-26 | 5/9 Secondary reference U.S. Government activity |
| ST3M453-5-26 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| KS3020-5-26 | 5/9 Secondary reference Kenaloy Products Inc Sub Masco Corp |
| ST3M453-5-26 | 5/9 Secondary reference Kenaloy Products Inc Sub Masco Corp |
| VS3204-5-26 | 5/9 Secondary reference U.S. Government activity |
| MA5453-5-26 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| 109453-5-26 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-385-5976 is a Bolt,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-385-5976 has 14 manufacturer part numbers on file: AIC753-5-26 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M453-5-26 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), ST3M453-5-26 (Fastener Innovation Technology, Inc. Dba F I T), ST3M453-5-26 (J M Precision Inc), BM17019-5-26 (Huck International, Inc) and 9 more.
Key specifications for AIC753-5-26: Head Height: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN; Fastener Length: 2.076 INCHES MINIMUM AND 2.123 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.467 INCHES NOMINAL IN. 15 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.