The Screw,machine, cataloged under National Stock Number 5305-01-642-2440, 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 19 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 | 5305-01-642-2440 |
| Primary Part Number | SS1632KCO6PL |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Long-Lok Llc |
| Status | ACTIVE |
| Head Height | 0.092 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE OR OXIDE |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Screw Material Document and Classification | ASTM A493, TY 302HD NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Locking Feature Material | PLASTIC |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Features Provided | O RING |
| Head Style | UNDERCUT PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH |
| Screw Material | STEEL CORROSION RESISTING |
| Color | BLACK |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.282 INCHES MINIMUM AND 0.294 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 NATIONAL SPEC SINGLE TREATMENT RESPONSE AND MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| SS1632KCO6PL PRIMARY | Long-Lok Llc (USA) |
NSN 5305-01-642-2440 is a Screw,machine, manufactured by Long-Lok Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-642-2440 has 1 manufacturer part number on file: SS1632KCO6PL (Long-Lok Llc).
Key specifications for SS1632KCO6PL: Head Height: 0.092 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE OR OXIDE; Fastener Length: 0.375 INCHES NOMINAL IN; Screw Material Document and Classification: ASTM A493, TY 302HD NATIONAL SPEC SINGLE MATERIAL RESPONSE. 19 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.