The Screw Assembly,panel, cataloged under National Stock Number 5305-01-237-9315, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-237-9315 |
| Primary Part Number | DPYS7900-4-A-2 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Fastener Length | 0.395 INCHES MINIMUM AND 0.395 INCHES MINIMUM AND 0.425 INCHES MAXIMUM0.425 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Surface Treatment Document and Classification | QQ-P-416 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| Material Accommodated Thickness | 0.115 INCHES MINIMUM AND 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM0.125 INCHES MAXIMUM IN |
| Thread Length | 0.175 INCHES NOMINAL IN |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 6300 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| Nominal Thread Diameter | 0.112 INCHES0.112 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM STAND-OFF |
| Surface Treatment | CADMIUM FASTENER |
| Internal Drive Style | SLOT |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 4040 |
| Material | COPPER ALLOY 360 STAND-OFF |
| Material | STEEL COMP 4037 FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.231 INCHES MINIMUM AND 0.231 INCHES MINIMUM AND 0.323 INCHES MAXIMUM0.323 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 |
|---|---|
| DPYS7900-4-A-2 PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| DPYS7900-4-A-2 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| DPYS7900-4-A-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-237-9315 is a Screw Assembly,panel, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-237-9315 has 2 manufacturer part numbers on file: DPYS7900-4-A-2 (Huck International, Inc. Div Huck Products Division), DPYS7900-4-A-2 (Huck International, Inc).
Key specifications for DPYS7900-4-A-2: Fastener Length: 0.395 INCHES MINIMUM AND 0.395 INCHES MINIMUM AND 0.425 INCHES MAXIMUM0.425 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER; Surface Treatment Document and Classification: QQ-P-416 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF; Material Accommodated Thickness: 0.115 INCHES MINIMUM AND 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM0.125 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.