The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-374-9822, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is DC Fabricators 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-374-9822 |
| Primary Part Number | CW-183BZ-15 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | DC Fabricators Inc |
| Status | ACTIVE |
| Width Across Flats | 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Head Height | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Fastener Length | 1.875 INCHES NOMINAL IN |
| Thread Length | 1.500 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-1222 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 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 |
|---|---|
| EW-2200CLITEM31 | DC Fabricators Inc (USA) |
| CW-183BZ-15 PRIMARY | DC Fabricators Inc (USA) |
| Reference | Meaning |
|---|---|
| MIL-DTL-1222 | 4/1 Identification reference U.S. Government activity |
| MIL-S-1222 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-374-9822 is a Screw,cap,socket Head, manufactured by DC Fabricators Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-374-9822 has 2 manufacturer part numbers on file: EW-2200CLITEM31 (DC Fabricators Inc), CW-183BZ-15 (DC Fabricators Inc).
Key specifications for CW-183BZ-15: Width Across Flats: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN; Head Height: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Fastener Length: 1.875 INCHES NOMINAL IN; Thread Length: 1.500 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.