The Screw Assembly,panel, cataloged under National Stock Number 5305-01-290-2707, 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 25 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-290-2707 |
| Primary Part Number | DRB7500HS-10-C-3 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Width Across Flats | 0.156 INCHES NOMINAL IN |
| Head Height | 0.590 INCHES NOMINAL IN |
| Fastener Length | 0.677 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| 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-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| Material Accommodated Thickness | 0.126 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| 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 |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | KNURLED NO. 4 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE FASTENER |
| Surface Treatment | PASSIVATE SPRING |
| Surface Treatment | ANODIZE HEAD |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 302 SPRING |
| 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 | ALUMINUM ALLOY 6061 HEAD |
| Thread Series Designator | UNF |
| Head Diameter | 0.436 INCHES MINIMUM AND 0.466 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 |
|---|---|
| DRB7500HS-10-C-3 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 2877556-1 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms - Manassas |
| DRB7500HS-10-C-3 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc. Div Huck Products Division |
| DRB7500HS-10-C-3 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-01-290-2707 is a Screw Assembly,panel, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-290-2707 has 1 manufacturer part number on file: DRB7500HS-10-C-3 (Huck International, Inc).
Key specifications for DRB7500HS-10-C-3: Width Across Flats: 0.156 INCHES NOMINAL IN; Head Height: 0.590 INCHES NOMINAL IN; Fastener Length: 0.677 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER. 25 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.