The Screw Assembly,panel, cataloged under National Stock Number 5305-01-155-4367, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-155-4367 |
| Primary Part Number | 583R840H30 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Width Across Flats | 0.109 INCHES NOMINAL IN |
| Head Height | 0.133 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN |
| Fastener Length | 0.547 INCHES MINIMUM AND 0.577 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,TYPE1,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| Material Accommodated Thickness | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN |
| Thread Length | 0.115 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| 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-A-493 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ANODIZE STAND-OFF |
| Surface Treatment | PASSIVATE FASTENER |
| Surface Treatment | PASSIVATE SPRING |
| 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 384 FASTENER |
| Material | ALUMINUM ALLOY 6061 STAND-OFF |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.218 INCHES MINIMUM AND 0.226 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 |
|---|---|
| 583R840H30 | Fastener Technology Corp (USA) |
| 583R840H30 PRIMARY | Huck International, Inc (USA) |
| 583R840H30 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| 583R840H30 | 7/2 Vendor item drawing reference U.S. Government activity |
| 583R840H30 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-155-4367 is a Screw Assembly,panel, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-155-4367 has 3 manufacturer part numbers on file: 583R840H30 (Fastener Technology Corp), 583R840H30 (Huck International, Inc), 583R840H30 (Fastener Innovation Technology, Inc. Dba F I T).
Key specifications for 583R840H30: Width Across Flats: 0.109 INCHES NOMINAL IN; Head Height: 0.133 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN; Fastener Length: 0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM 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.