The Setscrew, cataloged under National Stock Number 5305-01-291-4513, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Long-Lok, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-291-4513 |
| Primary Part Number | LP-4XD058J4-MONEL |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Long-Lok, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.156 INCHES NOMINAL IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CUP |
| Locking Feature | STRIP OR PATCH OR PELLET THREADS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | COPPER 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 |
|---|---|
| LP-4XD058J4-MONEL PRIMARY | Long-Lok, Llc (USA) |
| Reference | Meaning |
|---|---|
| LP-4XD058J4E MO NEL | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5305-01-291-4513 is a Setscrew, manufactured by Long-Lok, Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-291-4513 has 1 manufacturer part number on file: LP-4XD058J4-MONEL (Long-Lok, Llc).
Key specifications for LP-4XD058J4-MONEL: Width Across Flats: 0.156 INCHES NOMINAL IN; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN. 13 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.