The Screw Assembly,panel, cataloged under National Stock Number 5305-01-429-7291, 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 28 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-429-7291 |
| Primary Part Number | 583R579H72 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Width Across Flats | 0.142 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN |
| Head Height | 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| Fastener Length | 0.290 INCHES MINIMUM AND 0.310 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 | QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES PRIMARY WASHER |
| Material Accommodated Thickness | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Thread Length | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER |
| Material Document and Classification | AMS5734 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | ASTM A29 ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| Material Document and Classification | QQ-S-423, COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE FASTENER |
| Surface Treatment | PASSIVATE SECONDARY WASHER |
| Surface Treatment | PASSIVATE SPRING |
| Surface Treatment | CADMIUM AND CHROMATE PRIMARY WASHER |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 301 SECONDARY WASHER |
| Material | STEEL COMP 302 SPRING |
| Material | IRON ALLOY 660 FASTENER |
| Material | STEEL PRIMARY WASHER |
| Thread Series Designator | UNJC |
| 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 |
|---|---|
| 583R579H72 | Huck International, Inc. Div Huck Products Division (USA) |
| 583R579H72 | Fastener Technology Corp (USA) |
| LTW7300-10-G-6 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 583R579H72 | 5/2 Secondary reference U.S. Government activity |
| LTW7300-10-G-6 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-01-429-7291 is a Screw Assembly,panel, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-429-7291 has 3 manufacturer part numbers on file: 583R579H72 (Huck International, Inc. Div Huck Products Division), 583R579H72 (Fastener Technology Corp), LTW7300-10-G-6 (Huck International, Inc).
Key specifications for 583R579H72: Width Across Flats: 0.142 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN; Head Height: 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN; Fastener Length: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER. 28 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.