The Bolt,shoulder, cataloged under National Stock Number 5306-00-939-9701, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-939-9701 |
| Primary Part Number | 492911 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Extended Washer Thickness | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Head Height | 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Fastener Length | 1.900 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN |
| Shoulder Length | 1.362 INCHES MINIMUM AND 1.372 INCHES MAXIMUM FIRST SHOULDER IN |
| Extended Washer Diameter | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.435 INCHES MINIMUM AND 0.436 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.456 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.094 INCHES MINIMUM AND 0.101 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| 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 | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.754 INCHES MINIMUM AND 1.784 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 |
|---|---|
| 492911 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 492911 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 492911 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 492911 | 5/9 Secondary reference Valco Co Government Sales Office |
| 492911 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-939-9701 is a Bolt,shoulder, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-939-9701 has 2 manufacturer part numbers on file: 492911 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 492911 (Sps Technologies, Llc Dba PB Fasteners).
1 possible match (shared part number, not a government interchangeability claim): 1630-01-680-0585. Verify interchangeability with system specifications before substitution.
Key specifications for 492911: Extended Washer Thickness: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Head Height: 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Fastener Length: 1.900 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN; Shoulder Length: 1.362 INCHES MINIMUM AND 1.372 INCHES MAXIMUM FIRST SHOULDER 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.