The Bolt,internal Wrenching, cataloged under National Stock Number 5306-00-953-4124, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lord Corporation Dba Lord Corp. Government technical data includes 16 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 | 5306-00-953-4124 |
| Primary Part Number | LM303-134 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lord Corporation Dba Lord Corp |
| Status | ACTIVE |
| Width Across Flats | 0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN |
| Head Height | 0.310 INCHES NOMINAL IN |
| Fastener Length | 3.190 INCHES NOMINAL IN |
| Thread Length | 0.480 INCHES MINIMUM IN |
| Hardness Rating | 41.0 ROCKWELL C NOMINAL OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | BEVEL-CONICAL |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 7100 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.526 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 |
|---|---|
| LM303-134 PRIMARY | Lord Corporation Dba Lord Corp (USA) |
NSN 5306-00-953-4124 is a Bolt,internal Wrenching, manufactured by Lord Corporation Dba Lord Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-953-4124 has 1 manufacturer part number on file: LM303-134 (Lord Corporation Dba Lord Corp).
Key specifications for LM303-134: Width Across Flats: 0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN; Head Height: 0.310 INCHES NOMINAL IN; Fastener Length: 3.190 INCHES NOMINAL IN; Thread Length: 0.480 INCHES MINIMUM IN. 16 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.