The Bolt,machine, cataloged under National Stock Number 5306-01-499-8949, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Bek, Inc. Dba Level 1 Fasteners. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-499-8949 |
| Primary Part Number | 0441B0133-87 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Bek, Inc. Dba Level 1 Fasteners |
| Status | ACTIVE |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH THREADS |
| Thread Quantity Per Inch | 24 |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 0441B0133-87 PRIMARY | Bek, Inc. Dba Level 1 Fasteners (USA) |
| NP160ML1024K12P | Sales Systems, Limited Dba Sales Systems Ltd (USA) |
| 0441B0133-87 PRIMARY | Ideal Supply, Inc (USA) |
| NP160ML1024K12P | Bek, Inc. Dba Level 1 Fasteners (USA) |
| P60ML1024-12P PRIMARY | Nylok Llc (USA) |
| NP160ML1024K12P | Ideal Supply, Inc (USA) |
| 0441B0133-87 PRIMARY | Sales Systems, Limited Dba Sales Systems Ltd (USA) |
| Reference | Meaning |
|---|---|
| 0441B0133-87P | 5/9 Secondary reference Lockheed Martin Corporation Div Rms |
| 0441B0133-87 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 0441B0133-87 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms |
| PL-04-10-000 ITEM 257 | 5/9 Secondary reference Systems Engineering and Analytics, Inc. |
NSN 5306-01-499-8949 is a Bolt,machine, manufactured by Bek, Inc. Dba Level 1 Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-499-8949 has 7 manufacturer part numbers on file: 0441B0133-87 (Bek, Inc. Dba Level 1 Fasteners), NP160ML1024K12P (Sales Systems, Limited Dba Sales Systems Ltd), 0441B0133-87 (Ideal Supply, Inc), NP160ML1024K12P (Bek, Inc. Dba Level 1 Fasteners), P60ML1024-12P (Nylok Llc) and 2 more.
Key specifications for 0441B0133-87: Fastener Length: 0.750 INCHES NOMINAL IN; Nominal Thread Diameter: 0.190 INCHES IN; Head Style: FLAT CHAMFER; Thread Direction: RIGHT-HAND. 8 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.