The Setscrew, cataloged under National Stock Number 5305-00-655-9993, 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 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 | 5305-00-655-9993 |
| Primary Part Number | M70FS632-4C |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Nylok Llc |
| Status | ACTIVE |
| Width Across Flats | 0.062 INCHES NOMINAL IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES MINIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Features Provided | CASEHARDENED |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CUP |
| Locking Feature | PELLET THREADS |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL 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 |
|---|---|
| M70FS632-4C PRIMARY | Nylok Llc (USA) |
NSN 5305-00-655-9993 is a Setscrew, manufactured by Nylok Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-655-9993 has 1 manufacturer part number on file: M70FS632-4C (Nylok Llc).
Key specifications for M70FS632-4C: Width Across Flats: 0.062 INCHES NOMINAL IN; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.250 INCHES MINIMUM IN; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL. 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.