The Bolt,shear, cataloged under National Stock Number 5306-01-343-4208, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Heartland Precision Fasteners Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-343-4208 |
| Primary Part Number | NAS6805U27 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Heartland Precision Fasteners Inc |
| Status | ACTIVE |
| Head Height | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Fastener Length | 2.142 INCHES MINIMUM AND 2.172 INCHES MAXIMUM IN |
| Thread Length | 0.469 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.3271 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY UNS R56400 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 |
|---|---|
| NAS6805U27 | Heartland Precision Fasteners Inc (USA) |
| NAS6805U27 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS6805U27 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| NAS6805U27 | Saturn Fasteners Inc (USA) |
| NAS6805U27 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| NAS6805U27 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| NAS6805U27 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| NAS6805U27 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| NAS6805U27 | Houston Precision Fasteners I Lp (USA) |
| NAS6805U27 | Fastener Technology Corp (USA) |
| Reference | Meaning |
|---|---|
| NAS6805U27 | 5/9 Secondary reference Cm Intl Corp |
| NAS6805U27 | 3/2 Design control — primary reference U.S. Government activity |
| NAS6805U27 | 5/2 Secondary reference U.S. Government activity |
| NAS6805 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5306-01-343-4208 is a Bolt,shear, manufactured by Heartland Precision Fasteners Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-343-4208 has 10 manufacturer part numbers on file: NAS6805U27 (Heartland Precision Fasteners Inc), NAS6805U27 (Fastener Innovation Technology, Inc. Dba F I T), NAS6805U27 (Sps Technologies, Llc Dba PB Fasteners), NAS6805U27 (Saturn Fasteners Inc), NAS6805U27 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 5 more.
Key specifications for NAS6805U27: Head Height: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN; Fastener Length: 2.142 INCHES MINIMUM AND 2.172 INCHES MAXIMUM IN; Thread Length: 0.469 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN. 14 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.