The Bolt,shear, cataloged under National Stock Number 5306-00-533-8774, 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 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-533-8774 |
| Primary Part Number | PBF1177-5-20 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Fastener Length | 1.593 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN |
| Thread Length | 0.333 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Hardness Rating | 51.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.076 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | SPS-M-107,STANDARD PRESSED STEEL CO MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.3108 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 260000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.466 INCHES MINIMUM AND 1.498 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 | F |
| Part Number | Manufacturer |
|---|---|
| PBF1177-5-20 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 78538-5-20 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC1463-5-20 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 204-011-463-3 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| Reference | Meaning |
|---|---|
| 204-011-463-3 | 3/2 Design control — primary reference U.S. Government activity |
| 204-011-463-003 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-533-8774 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-533-8774 has 4 manufacturer part numbers on file: PBF1177-5-20 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 78538-5-20 (Sps Technologies, Llc Dba PB Fasteners), AIC1463-5-20 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 204-011-463-3 (Leonardo Spa Helicopters Division - Production Site).
Key specifications for PBF1177-5-20: Head Height: 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Fastener Length: 1.593 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN; Thread Length: 0.333 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN; Hardness Rating: 51.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM OVERALL. 19 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.