The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-443-1846, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 7 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 | 5305-01-443-1846 |
| Primary Part Number | 7D3-05664 ITEM NO 35 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 316 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 |
|---|---|
| 7D3-05665 ITEM NO 35 | Lake Shore Systems, Inc. (USA) |
| 7D3-05664 ITEM NO 35 PRIMARY | Lake Shore Systems, Inc. (USA) |
NSN 5305-01-443-1846 is a Screw,cap,socket Head, manufactured by Lake Shore Systems, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-443-1846 has 2 manufacturer part numbers on file: 7D3-05665 ITEM NO 35 (Lake Shore Systems, Inc.), 7D3-05664 ITEM NO 35 (Lake Shore Systems, Inc.).
Key specifications for 7D3-05664 ITEM NO 35: Fastener Length: 1.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Head Style: FLAT CHAMFER; Thread Direction: RIGHT-HAND. 7 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.