The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-285-9976, 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 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 | 5305-01-285-9976 |
| Primary Part Number | LP22J048J20 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Long-Lok, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.064 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Fastener Length | 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN |
| Thread Length | 0.196 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Locking Feature | STRIP THREADS |
| Surface Treatment | CADMIUM FASTENER |
| Internal Drive Style | HEXAGON |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Material | STEEL FASTENER |
| Thread Series Designator | UNF |
| Head Diameter | 0.452 INCHES MINIMUM AND 0.500 INCHES MAXIMUM 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 |
|---|---|
| LP22J048J20 PRIMARY | Long-Lok, Llc (USA) |
NSN 5305-01-285-9976 is a Screw,cap,socket Head, manufactured by Long-Lok, Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-285-9976 has 1 manufacturer part number on file: LP22J048J20 (Long-Lok, Llc).
Key specifications for LP22J048J20: Width Across Flats: 0.064 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Fastener Length: 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN; Thread Length: 0.196 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.250 INCHES 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.