The Bolt,shear, cataloged under National Stock Number 5306-01-148-2639, 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 21 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-148-2639 |
| Primary Part Number | AIC752-16D31 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Extended Washer Thickness | 0.212 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN |
| Head Height | 0.913 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN |
| Fastener Length | 3.423 INCHES MINIMUM AND 3.453 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN |
| Thread Length | 1.476 INCHES MINIMUM AND 1.526 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | 23-112 TYPE A,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.927 INCHES MINIMUM AND 1.947 INCHES MAXIMUM IN |
| Width Between Flats | 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN |
| Grip Diameter | 0.9990 INCHES MINIMUM AND 0.9995 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.034 INCHES MINIMUM AND 3.074 INCHES MAXIMUM FIRST HOLE IN |
| 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 |
|---|---|
| ST3M571-16D31 | J M Precision Inc (USA) |
| AIC752-16D31 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| S11-1059-16D31 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| VAL23033-16D31 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M571-16D31 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M571-16D31 PRIMARY | The Boeing Company Div Defense (USA) |
| PBF23T-16D31 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M571-16D31 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB84-16D31 PRIMARY | Hi-Shear Corporation (USA) |
| MB84-16D31 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| BM3326-16D31 | 5/9 Secondary reference U.S. Government activity |
| 74328-16D31 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| VS3060-16D31 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| ST3M571-16D31 | 5/2 Secondary reference U.S. Government activity |
| 74328-16D31 | 3/2 Design control — primary reference U.S. Government activity |
| S371-16D31 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| S371-16D31 | 5/9 Secondary reference U.S. Government activity |
| BM3326-16D31 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| VS3060-16D31 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-148-2639 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-148-2639 has 10 manufacturer part numbers on file: ST3M571-16D31 (J M Precision Inc), AIC752-16D31 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), S11-1059-16D31 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), VAL23033-16D31 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), ST3M571-16D31 (Sps Technologies, Llc Dba PB Fasteners) and 5 more.
Key specifications for AIC752-16D31: Extended Washer Thickness: 0.212 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN; Head Height: 0.913 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN; Fastener Length: 3.423 INCHES MINIMUM AND 3.453 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 21 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.