The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-643-8697, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Grainger Div of W W Grainger Inc. 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 | 5305-01-643-8697 |
| Primary Part Number | 24C670 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Grainger Div of W W Grainger Inc |
| Status | ACTIVE |
| Width Across Flats | 0.187 INCHES NOMINAL IN |
| Head Height | 0.25 INCHES NOMINAL IN |
| Fastener Length | 1.375 INCHES NOMINAL IN |
| Thread Length | 1.375 INCHES NOMINAL IN |
| Hole Configuration Style | SQUARE FLATS |
| Nominal Thread Diameter | 0.25 INCHES IN |
| Head Style | FLAT FILLISTER |
| Thread Direction | RIGHT-HAND |
| Head Length | 0.25 INCHES NOMINAL IN |
| Color | SILVER OVERALL |
| Internal Drive Style | SQUARE |
| Thread Quantity Per Inch | 20 |
| Material | STEEL PROPERTY CLASS 18.8 OVERALL |
| Head Diameter | 0.375 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 |
NSN 5305-01-643-8697 is a Screw,cap,socket Head, manufactured by Grainger Div of W W Grainger Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-643-8697 has 2 manufacturer part numbers on file: 22TT85 (Grainger Div of W W Grainger Inc), 24C670 (Grainger Div of W W Grainger Inc).
Key specifications for 24C670: Width Across Flats: 0.187 INCHES NOMINAL IN; Head Height: 0.25 INCHES NOMINAL IN; Fastener Length: 1.375 INCHES NOMINAL IN; Thread Length: 1.375 INCHES NOMINAL 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.