The Bolt,shoulder, cataloged under National Stock Number 5306-01-252-5286, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-252-5286 |
| Primary Part Number | L3223681-057 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Head Height | 0.257 INCHES NOMINAL IN |
| Fastener Length | 2.053 INCHES MINIMUM AND 2.073 INCHES MAXIMUM IN |
| Shoulder Length | 1.551 INCHES MINIMUM AND 1.571 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.482 INCHES MINIMUM AND 0.522 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.076 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.678 INCHES MINIMUM AND 0.689 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.882 INCHES NOMINAL 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 |
|---|---|
| L3223681-057 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5306-01-252-5286 is a Bolt,shoulder, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-252-5286 has 1 manufacturer part number on file: L3223681-057 (The Boeing Company Div Legacy Am&m).
Key specifications for L3223681-057: Head Height: 0.257 INCHES NOMINAL IN; Fastener Length: 2.053 INCHES MINIMUM AND 2.073 INCHES MAXIMUM IN; Shoulder Length: 1.551 INCHES MINIMUM AND 1.571 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.436 INCHES MINIMUM AND 0.437 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.