The Bolt,machine, cataloged under National Stock Number 5306-00-067-6533, 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 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-067-6533 |
| Primary Part Number | C083-16A56 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Extended Washer Thickness | 0.222 INCHES NOMINAL IN |
| Head Height | 0.923 INCHES NOMINAL IN |
| Fastener Length | 4.500 INCHES NOMINAL IN |
| Extended Washer Diameter | 1.620 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES MINIMUM IN |
| Material Document and Classification | M-107,FSCM 56878 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.500 INCHES NOMINAL IN |
| Width Between Flats | 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNS |
| 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 |
|---|---|
| C083-16A56 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| C083-16A56 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| C083-16A56 | 3/2 Design control — primary reference U.S. Government activity |
| LWB22-16A56 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| C083-16A56 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-067-6533 is a Bolt,machine, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-067-6533 has 2 manufacturer part numbers on file: C083-16A56 (Sps Technologies, Llc Dba PB Fasteners), C083-16A56 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for C083-16A56: Extended Washer Thickness: 0.222 INCHES NOMINAL IN; Head Height: 0.923 INCHES NOMINAL IN; Fastener Length: 4.500 INCHES NOMINAL IN; Extended Washer Diameter: 1.620 INCHES NOMINAL 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.