The Bolt,shear, cataloged under National Stock Number 5306-01-648-5516, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 5306-01-648-5516 |
| Primary Part Number | NAS6808U31 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Fastener Length | 2.673 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.5000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.938 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 |
|---|---|
| NAS6808U31 | Howmet Global Fastening Systems Inc (USA) |
| NAS6808U31 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| NAS6808U31 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| NAS6808U31 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS6808U31 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| NAS6808U31 | Saturn Fasteners Inc (USA) |
| NAS6808U31 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| NAS6808U31 | Fastener Technology Corp (USA) |
| NAS6808U31 | Houston Precision Fasteners I Lp (USA) |
| NAS6808U31 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| NAS6808U31 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| NAS6808U31 | John Hassall Llc Dba Sky Aerospace Products (USA) |
| Reference | Meaning |
|---|---|
| NAS6808U31 | 5/2 Secondary reference U.S. Government activity |
| NAS6808 | 3/1 Design control — primary reference U.S. Government activity |
| NAS6808U31 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-648-5516 is a Bolt,shear, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-648-5516 has 12 manufacturer part numbers on file: NAS6808U31 (Howmet Global Fastening Systems Inc), NAS6808U31 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), NAS6808U31 (Sps Technologies, Llc Dba PB Fasteners), NAS6808U31 (Fastener Innovation Technology, Inc. Dba F I T), NAS6808U31 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 7 more.
7 possible matches (shared part number, not a government interchangeability claim): 5306-01-648-5518, 5306-01-648-5520, 5306-01-648-5521. Verify interchangeability with system specifications before substitution.
Key specifications for NAS6808U31: Fastener Length: 2.673 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.