The Bolt,shoulder, cataloged under National Stock Number 5306-01-680-9669, 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 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-680-9669 |
| Primary Part Number | NAS1160-4-8D |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Heartland Precision Fasteners Inc |
| Status | ACTIVE |
| Head Height | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 2.442 INCHES NOMINAL IN |
| Shoulder Length | 1.813 INCHES NOMINAL GRIP IN |
| Shoulder Diameter | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM GRIP IN |
| Thread Length | 0.382 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| NAS1160-4-8D | Heartland Precision Fasteners Inc (USA) |
| NAS1160-4-8D | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| NAS1160-4-8D | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| NAS1160-4-8D | Sps Technologies, Llc Dba PB Fasteners (USA) |
| NAS1160-4-8D | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| NAS1160-4-8D | Houston Precision Fasteners I Lp (USA) |
| NAS1160-4-8D | Saturn Fasteners Inc (USA) |
| NAS1160-4-8D | Lfc Industries, Inc. (USA) |
| NAS1160-4-8D | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1160-4-8D | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| NAS1160-4-8D | Hi-Shear Corporation (USA) |
| NAS1160-4-8D | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| NAS1160-4-8D | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| Reference | Meaning |
|---|---|
| NAS1160-4-8D | 5/9 Secondary reference U.S. Government activity |
| NAS1160-4-8D | 3/2 Design control — primary reference U.S. Government activity |
| NAS1160-4-8D | 5/2 Secondary reference U.S. Government activity |
| NAS1160 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5306-01-680-9669 is a Bolt,shoulder, manufactured by Heartland Precision Fasteners Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-680-9669 has 13 manufacturer part numbers on file: NAS1160-4-8D (Heartland Precision Fasteners Inc), NAS1160-4-8D (Howmet Global Fastening Systems Inc Div City of Industry Operations), NAS1160-4-8D (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), NAS1160-4-8D (Sps Technologies, Llc Dba PB Fasteners), NAS1160-4-8D (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 8 more.
Key specifications for NAS1160-4-8D: Head Height: 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Fastener Length: 2.442 INCHES NOMINAL IN; Shoulder Length: 1.813 INCHES NOMINAL GRIP IN; Shoulder Diameter: 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM GRIP 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.