The Bolt,machine, cataloged under National Stock Number 5306-01-353-2734, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 14 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-353-2734 |
| Primary Part Number | 0441B0133-45 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Head Height | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Fastener Length | 0.880 INCHES NOMINAL IN |
| Thread Length | 0.750 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Locking Feature | PATCH OR STRIP OR PELLET THREADS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Material | NICKEL ALLOY R-405 OR NICKEL ALLOY 502 FASTENER |
| 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 |
|---|---|
| 0441B0133-45 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 0441B0133-45 | B M B Fasteners, Inc (USA) |
| Reference | Meaning |
|---|---|
| 0441B0133-45 | 5/9 Secondary reference Nylok Fastener Corp |
| P4ML420-14P | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 0441B0133-45 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 0441B0133-45 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| P4ML420-14P | C/1 Advisory reference — outside the item-of-supply concept Nylok Llc |
NSN 5306-01-353-2734 is a Bolt,machine, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-353-2734 has 2 manufacturer part numbers on file: 0441B0133-45 (Lockheed Martin Corporation Div Rms), 0441B0133-45 (B M B Fasteners, Inc).
Key specifications for 0441B0133-45: Head Height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN; Fastener Length: 0.880 INCHES NOMINAL IN; Thread Length: 0.750 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN. 14 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.