The Bolt,machine, cataloged under National Stock Number 5306-00-208-7353, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-208-7353 |
| Primary Part Number | 241919 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.144 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Fastener Length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Thread Length | 0.635 INCHES MINIMUM AND 0.675 INCHES MAXIMUM IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Width Between Flats | 0.438 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 1A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 241919 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 241919 | J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings (USA) |
| 241919 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 241919 | 5/9 Secondary reference U.S. Government activity |
| 241919 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-208-7353 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-208-7353 has 3 manufacturer part numbers on file: 241919 (Sps Technologies, Llc Dba PB Fasteners), 241919 (J.w. Manufacturing, Inc Dba Arconic Fastening Systems and Rings), 241919 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 241919: Head Height: 0.144 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN; Fastener Length: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN; Thread Length: 0.635 INCHES MINIMUM AND 0.675 INCHES MAXIMUM IN; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL. 16 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.