The Bolt,shoulder, cataloged under National Stock Number 5306-00-335-4380, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Land & Armaments L.p.. 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 | 5306-00-335-4380 |
| Primary Part Number | 2418E |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 0.906 INCHES NOMINAL IN |
| Shoulder Length | 0.406 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | 57-0-2C,TY2,CL1,BOWER-MCLAUGHLIN-YORK CO MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.312 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.376 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.438 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 1117 OR STEEL COMP 1118 OVERALL |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5306-00-335-4380 is a Bolt,shoulder, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-335-4380 has 2 manufacturer part numbers on file: 2418E (Bae Systems Land & Armaments L.p.), 8391403 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 2418E: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 0.906 INCHES NOMINAL IN; Shoulder Length: 0.406 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment Document and Classification: 57-0-2C,TY2,CL1,BOWER-MCLAUGHLIN-YORK CO MFR REF SINGLE TREATMENT RESPONSE OVERALL. 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.