The Bolt,shear, cataloged under National Stock Number 5306-00-876-1391, 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 18 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-876-1391 |
| Primary Part Number | PBF10784-8 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN |
| Fastener Length | 0.783 INCHES MINIMUM AND 0.824 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.273 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SPS-M-107 FSCM 56878 MFR REF 1ST MATERIAL RESPONSE OR AMS6485 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OR STEEL COMP H11 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 |
|---|---|
| AIC220-4A8 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| EWSB22-4A8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GB511B4-8 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF10784-8 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| EWSB22-4A8 | 5/9 Secondary reference U.S. Government activity |
| VS2521F4-8 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| VS2521F4-8 | 5/9 Secondary reference U.S. Government activity |
| C081-4-8 | 7/2 Vendor item drawing reference U.S. Government activity |
| 202-15520-4-8 | 7/2 Vendor item drawing reference U.S. Government activity |
| BM55132-4-8A | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| GB511B4-8 | 5/2 Secondary reference U.S. Government activity |
| BM55132-4-8A | 5/9 Secondary reference U.S. Government activity |
| GB11B4-8 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5306-00-876-1391 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-876-1391 has 4 manufacturer part numbers on file: AIC220-4A8 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), EWSB22-4A8 (Sps Technologies, Llc Dba PB Fasteners), GB511B4-8 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), PBF10784-8 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-131-8165. Verify interchangeability with system specifications before substitution.
Key specifications for PBF10784-8: Head Height: 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN; Fastener Length: 0.783 INCHES MINIMUM AND 0.824 INCHES MAXIMUM IN; Surface Treatment Document and Classification: NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.273 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN. 18 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.