The Bolt,shear, cataloged under National Stock Number 5306-01-169-0070, 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 25 specifications, cited from the U.S. Government catalog. The record lists 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-169-0070 |
| Primary Part Number | AIC752-4DH28 |
| 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 | 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN |
| Head Height | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Fastener Length | 2.203 INCHES MINIMUM AND 2.233 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Thread Length | 0.443 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLE |
| Material Document and Classification | 23-112 TY A FSCM 27624 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN |
| Width Between Flats | 0.313 INCHES NOMINAL IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP XM-13 OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.995 INCHES MINIMUM AND 2.035 INCHES MAXIMUM FIRST HOLE IN |
| Hole Type | DRILLED |
| Hole Diameter | 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM 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 |
|---|---|
| AIC752-4DH28 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| S11-1059-4DH28 PRIMARY | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| ST3M571-4DH28 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| ST3M571-4DH28 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VS2060-4DH28 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| MB84-4DH28 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| GS1030-4DH28 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| BM3326-4DH28 PRIMARY | Huck International, Inc (USA) |
| S371-4DH28 | Huck International, Inc (USA) |
| MB84-4DH28 PRIMARY | Hi-Shear Corporation (USA) |
| VAL23033-4DH28 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| ST3M571-4DH28 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 74328-4DH28 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 74328-4DH28 | 3/2 Design control — primary reference U.S. Government activity |
| BM3326-4DH28 | 5/9 Secondary reference U.S. Government activity |
| VS3060-4DH28 | 5/9 Secondary reference U.S. Government activity |
| 74328-4DA28 | 5/2 Secondary reference U.S. Government activity |
| S371-4DH28 | 5/9 Secondary reference U.S. Government activity |
| 10116070 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5306-01-169-0070 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 5306-01-169-0070 has 11 manufacturer part numbers on file: AIC752-4DH28 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), S11-1059-4DH28 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), ST3M571-4DH28 (Heartland Precision Fasteners Inc), ST3M571-4DH28 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), VS2060-4DH28 (Howmet Global Fastening Systems Inc) and 6 more.
Key specifications for AIC752-4DH28: Extended Washer Thickness: 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN; Head Height: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN; Fastener Length: 2.203 INCHES MINIMUM AND 2.233 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 25 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.