The Screw Assembly,panel, cataloged under National Stock Number 5305-01-161-2153, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Technology Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-161-2153 |
| Primary Part Number | 585R981H06 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastener Technology Corp |
| Status | ACTIVE |
| Head Height | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Fastener Length | 1.525 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SECONDARY WASHER |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD |
| Material Accommodated Thickness | 0.625 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE BEARING SURFACE OF HEAD |
| Material Document and Classification | FF-W-84 FED SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE PRIMARY WASHER |
| Surface Treatment | PASSIVATE SECONDARY WASHER |
| Surface Treatment | PASSIVATE STAND-OFF |
| Surface Treatment | PASSIVATE SPRING |
| Surface Treatment | PASSIVATE BEARING SURFACE OF HEAD |
| Minimum Tensile Strength | 175000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 FASTENER |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 585R981H06 | Fastener Technology Corp (USA) |
| 585R981H06 | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| 585R981H06 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| CA28099-4-11T | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
| 585R981H06 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-161-2153 is a Screw Assembly,panel, manufactured by Fastener Technology Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-161-2153 has 3 manufacturer part numbers on file: 585R981H06 (Fastener Technology Corp), 585R981H06 (Howmet Global Fastening Systems Inc. Div Tridair Products), 585R981H06 (Huck International, Inc).
Key specifications for 585R981H06: Head Height: 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Fastener Length: 1.525 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SECONDARY WASHER. 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.