The Bolt,shoulder, cataloged under National Stock Number 5306-01-179-2840, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-179-2840 |
| Primary Part Number | L6312007-003 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Head Height | 0.188 INCHES NOMINAL IN |
| Fastener Length | 3.705 INCHES NOMINAL IN |
| Shoulder Length | 3.405 INCHES MINIMUM AND 3.415 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.363 INCHES MINIMUM AND 0.373 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.553 INCHES MINIMUM AND 0.565 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 | 3.605 INCHES MINIMUM AND 3.615 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 |
|---|---|
| L6312007-003 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| L6312007-003 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5306-01-179-2840 is a Bolt,shoulder, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-179-2840 has 2 manufacturer part numbers on file: L6312007-003 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), L6312007-003 (The Boeing Company Div Legacy Am&m).
Key specifications for L6312007-003: Head Height: 0.188 INCHES NOMINAL IN; Fastener Length: 3.705 INCHES NOMINAL IN; Shoulder Length: 3.405 INCHES MINIMUM AND 3.415 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.363 INCHES MINIMUM AND 0.373 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.