The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-207-7783, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Airmotive Carburetor. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-207-7783 |
| Primary Part Number | 333S641 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Airmotive Carburetor |
| Status | ACTIVE |
| Width Across Flats | 0.156 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN |
| Head Height | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
| Fastener Length | 0.437 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES MINIMUM IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | ROUND INTERNAL HEXAGON |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 416SE OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hole Diameter | 0.047 INCHES NOMINAL IN |
| Head Diameter | 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM 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 |
|---|---|
| 333S641 PRIMARY | Airmotive Carburetor (USA) |
| Reference | Meaning |
|---|---|
| 333S641 | 5/9 Secondary reference Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
NSN 5305-00-207-7783 is a Screw,cap,socket Head, manufactured by Airmotive Carburetor, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-207-7783 has 1 manufacturer part number on file: 333S641 (Airmotive Carburetor).
Key specifications for 333S641: Width Across Flats: 0.156 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN; Head Height: 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN; Fastener Length: 0.437 INCHES NOMINAL IN; Thread Length: 0.375 INCHES MINIMUM IN. 18 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.