The Setscrew, cataloged under National Stock Number 5305-01-389-0109, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-389-0109 |
| Primary Part Number | LP57XA62J8X1 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Long-Lok Llc |
| Status | ACTIVE |
| Width Across Flats | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Fastener Length | 0.468 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Material Document and Classification | 66, 300 SERIES FED STD ALL MATERIAL RESPONSES FASTENER |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Locking Feature | PATCH THREADS |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING FASTENER |
| Material | PLASTIC NYLON LOCKING FEATURE |
| 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 |
|---|---|
| LP57XA62J8X1 PRIMARY | Long-Lok Llc (USA) |
| 174503-1 | Northrop Grumman Systems Corporation (USA) |
NSN 5305-01-389-0109 is a Setscrew, manufactured by Long-Lok Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-389-0109 has 2 manufacturer part numbers on file: LP57XA62J8X1 (Long-Lok Llc), 174503-1 (Northrop Grumman Systems Corporation).
Key specifications for LP57XA62J8X1: Width Across Flats: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN; Fastener Length: 0.468 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Material Document and Classification: 66, 300 SERIES FED STD ALL MATERIAL RESPONSES FASTENER; Nominal Thread Diameter: 0.138 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.