The Screw Assembly,panel, cataloged under National Stock Number 5305-01-235-8318, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 26 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-235-8318 |
| Primary Part Number | DMSWW7500-8-A-4 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Head Height | 0.495 INCHES NOMINAL0.495 INCHES NOMINAL IN |
| Fastener Length | 0.545 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| Surface Treatment Document and Classification | MIL-A-8625,TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| Material Accommodated Thickness | 0.066 INCHES MINIMUM AND 0.066 INCHES MINIMUM AND 0.100 INCHES MAXIMUM0.100 INCHES MAXIMUM IN |
| Thread Length | 0.483 INCHES NOMINAL0.483 INCHES NOMINAL IN |
| Hardness Rating | 85.0 ROCKWELL B MINIMUM AND 90.0 ROCKWELL B MAXIMUM PRIMARY WASHER |
| Material Document and Classification | ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE HEAD |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| Material Document and Classification | MIL-S-23195 MIL SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Surface Treatment | ANODIZE HEAD |
| Internal Drive Style | SLOT |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 304 STAND-OFF |
| Material | ALUMINUM ALLOY 6061 HEAD |
| Material | STEEL COMP 1075 PRIMARY WASHER |
| Material | STEEL COMP 302 OR STEEL COMP 305 OR STEEL COMP 316 FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.420 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 |
| Part Number | Manufacturer |
|---|---|
| DMSWW7500-8-A-4 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 135191-9 | 7/2 Vendor item drawing reference Raytheon Company |
| DMSWW7500-8-A-4 | 5/9 Secondary reference U.S. Government activity |
| DMSWW7500-8-A-4 135191-9 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
NSN 5305-01-235-8318 is a Screw Assembly,panel, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-235-8318 has 1 manufacturer part number on file: DMSWW7500-8-A-4 (Huck International, Inc).
Key specifications for DMSWW7500-8-A-4: Head Height: 0.495 INCHES NOMINAL0.495 INCHES NOMINAL IN; Fastener Length: 0.545 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF. 26 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.