The Bolt,shear, cataloged under National Stock Number 5306-01-698-0480, 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. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-698-0480 |
| Primary Part Number | NAS1957C-21 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Fastener Length | 2.544 INCHES MINIMUM AND 2.564 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TYPE II CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.594 INCHES NOMINAL IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS6382 ASSN STD 1ST MATERIAL RESPONSE OR AMS6349 ASSN STD 2ND MATERIAL RESPONSE OR AMS6415 ASSN STD 3RD MATERIAL RESPONSE OR AMS6484 ASSN STD 4TH MATERIAL RESPONSE OR AMS6484 ASSN STD 5TH MATERIAL RESPONSE OR AMS6322 ASSN STD 6TH MATERIAL RESPONSE OR AMS6325 ASSN STD 7TH MATERIAL RESPONSE OR AMS6327 ASSN STD 8TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.4375 INCHES IN |
| Features Provided | FLAT WASHER |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.896 INCHES MINIMUM AND 1.916 INCHES MAXIMUM IN |
| Width Between Flats | 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Grip Diameter | 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 6150 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 |
|---|---|
| NAS1957C-21 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| NAS1957C-21 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-698-0480 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-698-0480 has 1 manufacturer part number on file: NAS1957C-21 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for NAS1957C-21: Head Height: 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN; Fastener Length: 2.544 INCHES MINIMUM AND 2.564 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TYPE II CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.594 INCHES NOMINAL IN. 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.