The Bolt,shoulder, cataloged under National Stock Number 5306-00-133-4870, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-133-4870 |
| Primary Part Number | AIC1606-5-39 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.187 INCHES NOMINAL IN |
| Fastener Length | 2.915 INCHES MINIMUM AND 2.941 INCHES MAXIMUM IN |
| Thread Length | 0.397 INCHES MINIMUM AND 0.417 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Shank Unthreaded Hole Diameter | 0.076 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | NAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY UNS R54520 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.727 INCHES MINIMUM AND 2.753 INCHES MAXIMUM FIRST HOLE IN |
| 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 |
|---|---|
| AIC1606-5-39 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 68409-5-39 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| C3619-5-39 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5306-00-133-4870 is a Bolt,shoulder, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-133-4870 has 2 manufacturer part numbers on file: AIC1606-5-39 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 68409-5-39 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for AIC1606-5-39: Head Height: 0.187 INCHES NOMINAL IN; Fastener Length: 2.915 INCHES MINIMUM AND 2.941 INCHES MAXIMUM IN; Thread Length: 0.397 INCHES MINIMUM AND 0.417 INCHES MAXIMUM IN; Shoulder Shape: ROUND ALL SHOULDERS. 15 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.