The Bolt,shear, cataloged under National Stock Number 5306-01-648-5524, 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 8 specifications, cited from the U.S. Government catalog. The record lists 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-648-5524 |
| Primary Part Number | NAS6808U21 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Fastener Length | 2.047 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.5000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.312 INCHES NOMINAL IN |
| Width Between Flats | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 20 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| 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 |
|---|---|
| NAS6808U21 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| NAS6808U21 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| NAS6808U21 | Saturn Fasteners Inc (USA) |
| NAS6808U21 | Houston Precision Fasteners I Lp (USA) |
| NAS6808U21 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| NAS6808U21 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| NAS6808U21 | Howmet Global Fastening Systems Inc (USA) |
| NAS6808U21 | Fastener Technology Corp (USA) |
| NAS6808U21 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| NAS6808U21 | John Hassall Llc Dba Sky Aerospace Products (USA) |
| NAS6808U21 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| NAS6808U21 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| NAS6808 | 3/1 Design control — primary reference U.S. Government activity |
| NAS6808U21 | 5/2 Secondary reference U.S. Government activity |
| NAS6808U21 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-648-5524 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-648-5524 has 12 manufacturer part numbers on file: NAS6808U21 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), NAS6808U21 (Howmet Global Fastening Systems Inc Div City of Industry Operations), NAS6808U21 (Saturn Fasteners Inc), NAS6808U21 (Houston Precision Fasteners I Lp), NAS6808U21 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 7 more.
2 possible matches (shared part number, not a government interchangeability claim): 5306-01-648-5525, 5306-01-648-5527. Verify interchangeability with system specifications before substitution.
Key specifications for NAS6808U21: Fastener Length: 2.047 INCHES NOMINAL IN; Nominal Thread Diameter: 0.5000 INCHES IN; Head Style: HEXAGON; Thread Direction: RIGHT-HAND. 8 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.