The Bolt,shoulder, cataloged under National Stock Number 5306-00-367-8616, 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 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-367-8616 |
| Primary Part Number | 4025419 |
| 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 IN |
| Head Height | 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Fastener Length | 1.170 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN |
| Shoulder Length | 0.754 INCHES MINIMUM AND 0.764 INCHES MAXIMUM FIRST SHOULDER IN |
| Extended Washer Diameter | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.309 INCHES MINIMUM AND 0.310 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.334 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS 5744 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 | 0.313 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4025419 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4025419 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4025419 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 4025419 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 4025419 | 5/9 Secondary reference M.s. Aerospace Inc. Dba Ms Aerospace Inc |
NSN 5306-00-367-8616 is a Bolt,shoulder, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-367-8616 has 2 manufacturer part numbers on file: 4025419 (Rtx Corporation Div Pratt & Whitney), 4025419 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4025419: Extended Washer Thickness: 0.060 INCHES MINIMUM IN; Head Height: 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN; Fastener Length: 1.170 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN; Shoulder Length: 0.754 INCHES MINIMUM AND 0.764 INCHES MAXIMUM FIRST SHOULDER IN. 17 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.