The Bolt,machine, cataloged under National Stock Number 5306-00-616-6091, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-616-6091 |
| Primary Part Number | 353472 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Thread Length | 0.607 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 1A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 601 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 353472 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 353472 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 353472 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| 353472 | 5/2 Secondary reference U.S. Government activity |
| 353472 | 5/2 Secondary reference U.S. Government activity |
| 353472 | 5/9 Secondary reference Edwards Brothers Inc. |
NSN 5306-00-616-6091 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-616-6091 has 3 manufacturer part numbers on file: 353472 (Sps Technologies, Llc Dba PB Fasteners), 353472 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 353472 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
1 possible match (shared part number, not a government interchangeability claim): 5365-00-650-9829. Verify interchangeability with system specifications before substitution.
Key specifications for 353472: Head Height: 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Fastener Length: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN; Thread Length: 0.607 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL. 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.