The Screw Assembly,panel, cataloged under National Stock Number 5305-01-254-9173, 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 21 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-254-9173 |
| Primary Part Number | FRS7500-6-B-4 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Head Height | 0.385 INCHES NOMINAL IN |
| Fastener Length | 0.625 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Accommodated Thickness | 0.032 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Thread Length | 0.563 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| Material Document and Classification | ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 302 SPRING |
| Material | STEEL COMP 302 PRIMARY WASHER |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 FASTENER |
| Material | STEEL COMP 303 OR STEEL COMP 303MA OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 347 OR STEEL COMP 348 STAND-OFF |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.356 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 |
|---|---|
| FRS7500-6-B-4 PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| CS9004S-06-5-3 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| FRS7500-6-B-4 | Huck International, Inc (USA) |
| FT1058-6-2-4 | Fastener Technology Corp (USA) |
| Reference | Meaning |
|---|---|
| 720285-37 | 7/2 Vendor item drawing reference Raytheon Company Div Rmd Strategic |
| 13234977-6 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| FRS7500-6-B-4 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-254-9173 is a Screw Assembly,panel, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-254-9173 has 4 manufacturer part numbers on file: FRS7500-6-B-4 (Huck International, Inc. Div Huck Products Division), CS9004S-06-5-3 (Fastener Innovation Technology, Inc. Dba F I T), FRS7500-6-B-4 (Huck International, Inc), FT1058-6-2-4 (Fastener Technology Corp).
Key specifications for FRS7500-6-B-4: Head Height: 0.385 INCHES NOMINAL IN; Fastener Length: 0.625 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Accommodated Thickness: 0.032 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN. 21 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.