The Bolt,machine, cataloged under National Stock Number 5306-00-291-1124, 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 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-291-1124 |
| Primary Part Number | 211095 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Extended Washer Thickness | 0.080 INCHES NOMINAL IN |
| Head Height | 0.344 INCHES NOMINAL IN |
| Fastener Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLE |
| Material Document and Classification | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.370 INCHES NOMINAL IN |
| Thread Class | 1A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hole Diameter | 0.062 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5306-00-291-1124 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-291-1124 has 2 manufacturer part numbers on file: 211095 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 211095 (Visual Instrumentation Corp).
2 possible matches (shared part number, not a government interchangeability claim): 8335-00-421-2147, 5355-01-286-7382. Verify interchangeability with system specifications before substitution.
Key specifications for 211095: Extended Washer Thickness: 0.080 INCHES NOMINAL IN; Head Height: 0.344 INCHES NOMINAL IN; Fastener Length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Extended Washer Diameter: 0.500 INCHES NOMINAL IN. 20 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.