The Bolt,shear, cataloged under National Stock Number 5306-01-325-5988, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 13 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-325-5988 |
| Primary Part Number | PBF1267-4H14 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Extended Washer Thickness | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| Head Height | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Fastener Length | 1.328 INCHES MINIMUM AND 1.358 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Thread Length | 0.468 INCHES MINIMUM IN |
| Hole Configuration Style | ROUND LONGITUDINAL HOLE |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM 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 | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.037 INCHES MINIMUM 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 |
|---|---|
| SLB255-4H14 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| S343-4H14 | Huck International, Inc (USA) |
| GS1032-4H14 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| PBF1267-4H14 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M753-4H14 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M753-4H14 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M753-4H15 | Houston Precision Fasteners I Lp (USA) |
| MB156-4H14 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| MB156-4H14 PRIMARY | Hi-Shear Corporation (USA) |
| VS3190-4H14 | Howmet Global Fastening Systems Inc (USA) |
| VFK600-4H14 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| AIC763-4H14 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M753-4H14 | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| ST3M753-4H14 | 5/9 Secondary reference Sps Technologies Inc |
| S343-4H14 | 5/9 Secondary reference U.S. Government activity |
| 122897-4H14 | 3/2 Design control — primary reference U.S. Government activity |
| ST3M753-4H14 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| VS3190-4H14 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-325-5988 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-325-5988 has 13 manufacturer part numbers on file: SLB255-4H14 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), S343-4H14 (Huck International, Inc), GS1032-4H14 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), PBF1267-4H14 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), ST3M753-4H14 (Fastener Innovation Technology, Inc. Dba F I T) and 8 more.
Key specifications for PBF1267-4H14: Extended Washer Thickness: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN; Head Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Fastener Length: 1.328 INCHES MINIMUM AND 1.358 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 23 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.