The Screw Assembly,panel, cataloged under National Stock Number 5305-01-080-4977, 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 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-080-4977 |
| Primary Part Number | FRB7500-8-D-3 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Head Height | 0.495 INCHES NOMINAL IN |
| Fastener Length | 0.425 INCHES MINIMUM AND 0.465 INCHES MAXIMUM 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 SPRING |
| Surface Treatment Document and Classification | MIL-A-8625 TY1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD |
| Surface Treatment Document and Classification | MIL-A-8625 TY1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| Material Accommodated Thickness | 0.156 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN |
| Thread Length | 0.390 INCHES MINIMUM IN |
| Material Document and Classification | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE HEAD |
| Material Document and Classification | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ANODIZE STAND-OFF |
| Surface Treatment | PASSIVATE FASTENER |
| Surface Treatment | PASSIVATE SPRING |
| Surface Treatment | ANODIZE HEAD |
| 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 STAND-OFF |
| Material | ALUMINUM ALLOY 6061 HEAD |
| 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 |
|---|---|
| FRB7500-8-D-3 | Huck International, Inc (USA) |
| FRB7500-8-D-3 PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| Reference | Meaning |
|---|---|
| FRB7500-8-D-3 | 3/9 Design control — primary reference U.S. Government activity |
| FRB7500-8-D-3 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5305-01-080-4977 is a Screw Assembly,panel, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-080-4977 has 2 manufacturer part numbers on file: FRB7500-8-D-3 (Huck International, Inc), FRB7500-8-D-3 (Huck International, Inc. Div Huck Products Division).
Key specifications for FRB7500-8-D-3: Head Height: 0.495 INCHES NOMINAL IN; Fastener Length: 0.425 INCHES MINIMUM AND 0.465 INCHES MAXIMUM 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 SPRING. 27 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.