The Bolt,shoulder, cataloged under National Stock Number 5306-00-939-9657, 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 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-939-9657 |
| Primary Part Number | 494094 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Extended Washer Thickness | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Head Height | 0.310 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Shoulder Length | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Length | 1.310 INCHES MINIMUM AND 1.340 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.410 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN |
| Precious Material | SILVER |
| Shoulder Diameter | 0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.410 INCHES MINIMUM AND 0.413 INCHES MAXIMUM SECOND SHOULDER IN |
| Thread Length | 0.601 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLE |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Surface Treatment | SILVER OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Hole Quantity | 2 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 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 |
| Part Number | Manufacturer |
|---|---|
| 494094 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 494094 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 494094 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 494094 | 5/2 Secondary reference U.S. Government activity |
| 494094 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-939-9657 is a Bolt,shoulder, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-939-9657 has 2 manufacturer part numbers on file: 494094 (Sps Technologies, Llc Dba PB Fasteners), 494094 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-501-1388. Verify interchangeability with system specifications before substitution.
Key specifications for 494094: Extended Washer Thickness: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Head Height: 0.310 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN; Shoulder Length: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM SECOND SHOULDER IN; Shoulder Length: 1.310 INCHES MINIMUM AND 1.340 INCHES MAXIMUM FIRST SHOULDER IN. 22 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.