The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-119-3150, 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 14 specifications, cited from the U.S. Government catalog. The record lists 16 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-119-3150 |
| Primary Part Number | AIC753-4-32 |
| 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 | 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN |
| Fastener Length | 2.381 INCHES MINIMUM AND 2.428 INCHES MAXIMUM IN |
| Thread Length | 0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Material Document and Classification | 23-112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| GS1016-4-32 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M453-4-32 | J M Precision Inc (USA) |
| ST3M453-4-32 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M453-4-32 | Hi-Shear Corporation (USA) |
| 11825-4-32 | Reid Products Inc. Dba Reid Products Inc (USA) |
| AIC753-4-32 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 109453-4-32 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M453-4-32 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M453-4-32 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| HP5454-4-32 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| ST3M453-4-32 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| S353-4-32 PRIMARY | Huck International, Inc (USA) |
| ST3M453-4-32 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| BM17019-4-32 PRIMARY | Huck International, Inc (USA) |
| VS3204-4-32 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| ST3M453-4-32 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| ST3M453-4-32 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| PBF1253-4-32 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| MB61-4-32 | 5/9 Secondary reference Hi-Shear Corporation |
| S11-1060-4-32 | 5/9 Secondary reference Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| A1C753-4-32 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| ST3M453-4-32 | 5/2 Secondary reference U.S. Government activity |
| ST3M453-4-32 | 5/2 Secondary reference U.S. Government activity |
| 109453-4-32 | 3/2 Design control — primary reference U.S. Government activity |
| VS3204-4-32 | 5/9 Secondary reference U.S. Government activity |
| BM17019-4-32 | 5/9 Secondary reference U.S. Government activity |
| ST3M453-4-32 | 5/9 Secondary reference Kenaloy Products Inc Sub Masco Corp |
| S353-4-32 | 5/9 Secondary reference U.S. Government activity |
| VAL23029-4-32 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| ST3M453-4-32 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5306-01-119-3150 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 5306-01-119-3150 has 16 manufacturer part numbers on file: GS1016-4-32 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), ST3M453-4-32 (J M Precision Inc), ST3M453-4-32 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), ST3M453-4-32 (Hi-Shear Corporation), 11825-4-32 (Reid Products Inc. Dba Reid Products Inc) and 11 more.
Key specifications for AIC753-4-32: Head Height: 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN; Fastener Length: 2.381 INCHES MINIMUM AND 2.428 INCHES MAXIMUM IN; Thread Length: 0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Material Document and Classification: 23-112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 14 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.