The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-660-3151, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Nylok Llc. Government technical data includes 14 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 | 5305-00-660-3151 |
| Primary Part Number | NK515-4R6 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Nylok Llc |
| Status | ACTIVE |
| Head Height | 0.086 INCHES NOMINAL IN |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Thread Length | 0.325 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | ROUND |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH GRIP |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.211 INCHES NOMINAL 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 |
|---|---|
| NK515-4R6 PRIMARY | Nylok Llc (USA) |
NSN 5305-00-660-3151 is a Screw,cap,socket Head, manufactured by Nylok Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-660-3151 has 1 manufacturer part number on file: NK515-4R6 (Nylok Llc).
Key specifications for NK515-4R6: Head Height: 0.086 INCHES NOMINAL IN; Fastener Length: 0.375 INCHES NOMINAL IN; Thread Length: 0.325 INCHES NOMINAL IN; Nominal Thread Diameter: 0.112 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.