The Bolt,shear, cataloged under National Stock Number 5306-00-487-4891, 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 20 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-487-4891 |
| Primary Part Number | C699-6-21 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.210 INCHES NOMINAL IN |
| Fastener Length | 1.696 INCHES MINIMUM AND 1.743 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.374 INCHES MINIMUM AND 0.441 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.106 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | M-107,STANDARD PRESSED STEEL CO MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN |
| Width Between Flats | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Grip Diameter | 0.3733 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 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 | 1.563 INCHES MINIMUM AND 1.595 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 | X |
| Part Number | Manufacturer |
|---|---|
| C699-6-21 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC220-6-21 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| VS2521-6F21S | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| BM55132-6-21 | 5/9 Secondary reference U.S. Government activity |
| BM55132-6-21 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| C699-6-21 | 5/2 Secondary reference U.S. Government activity |
| EWSB22-6-21 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| EWSB22-6-21 | 3/2 Design control — primary reference U.S. Government activity |
| 202-15520-6-21A | 7/2 Vendor item drawing reference U.S. Government activity |
| VS2521-6F21S | 5/9 Secondary reference U.S. Government activity |
| C699-6-21 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5306-00-487-4891 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-487-4891 has 2 manufacturer part numbers on file: C699-6-21 (Sps Technologies, Llc Dba PB Fasteners), AIC220-6-21 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for C699-6-21: Head Height: 0.210 INCHES NOMINAL IN; Fastener Length: 1.696 INCHES MINIMUM AND 1.743 INCHES MAXIMUM IN; Surface Treatment Document and Classification: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.374 INCHES MINIMUM AND 0.441 INCHES MAXIMUM IN. 20 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.