The Bolt,shoulder, cataloged under National Stock Number 5306-00-480-7442, 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 21 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-480-7442 |
| Primary Part Number | 523514 |
| 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 | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Fastener Length | 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN |
| Shoulder Length | 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM FIRST SHOULDER IN |
| Extended Washer Diameter | 0.458 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.374 INCHES MINIMUM AND 0.384 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.365 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLE |
| Material Document and Classification | AMS 5754 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 523514 | Rtx Corporation Div Pratt & Whitney (USA) |
| 523514 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| 523514 | Acufast Aircraft Products (USA) |
| 523514 | Bc Technical Center, Llc Dba Bc Engineered Products (USA) |
| 523514 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 523514 | 5/9 Secondary reference Mnr Tool Engineering Inc |
| 523514 | 5/9 Secondary reference U.S. Government activity |
| 523514 | 5/9 Secondary reference U.S. Government activity |
| 523514 | 5/9 Secondary reference Bristol Industries, Llc |
| 523514 | 5/9 Secondary reference U.S. Government activity |
| 523514 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 523514 | 5/9 Secondary reference Necchi Spa |
NSN 5306-00-480-7442 is a Bolt,shoulder, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-480-7442 has 5 manufacturer part numbers on file: 523514 (Rtx Corporation Div Pratt & Whitney), 523514 (M.s. Aerospace Inc. Dba Ms Aerospace Inc), 523514 (Acufast Aircraft Products), 523514 (Bc Technical Center, Llc Dba Bc Engineered Products), 523514 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 523514: Extended Washer Thickness: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Head Height: 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN; Fastener Length: 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN; Shoulder Length: 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM FIRST SHOULDER IN. 21 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.