The Screw Assembly,panel, cataloged under National Stock Number 5305-00-403-1589, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Div Huck Products Division. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-403-1589 |
| Primary Part Number | DLD7900-8A3 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Head Height | 0.091 INCHES MINIMUM IN |
| Fastener Length | 0.535 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1 CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.210 INCHES NOMINAL IN |
| Material Document and Classification | ASTM-A-493 ASSN STD 1ST MATERIAL RESPONSE FASTENER |
| Material Document and Classification | QQ-B-637 ASSN STD 2ND MATERIAL RESPONSE STAND-OFF |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 384 OR STEEL COMP 385 FASTENER |
| Material | COPPER ALLOY STAND-OFF |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.314 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 |
|---|---|
| DLD7900-8A3 PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| Reference | Meaning |
|---|---|
| DLD7900-8A3 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-00-403-1589 is a Screw Assembly,panel, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-403-1589 has 1 manufacturer part number on file: DLD7900-8A3 (Huck International, Inc. Div Huck Products Division).
Key specifications for DLD7900-8A3: Head Height: 0.091 INCHES MINIMUM IN; Fastener Length: 0.535 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 1 CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Length: 0.210 INCHES NOMINAL IN. 15 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.