The Screw Assembly,panel, cataloged under National Stock Number 5305-01-227-6397, 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 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-227-6397 |
| Primary Part Number | DPY7900P6C4 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Fastener Length | 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Accommodated Thickness | 0.126 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Thread Length | 0.203 INCHES NOMINAL IN |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM FASTENER |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| Material Document and Classification | AMS6300 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY 360 STAND-OFF |
| Material | STEEL COMP 4037 FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.231 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 |
|---|---|
| 720254-27 | Fastener Technology Corp (USA) |
| DPY7900P6C4 PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| 720254-27 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 720254-27 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| DPY7900P6C4 | 3/9 Design control — primary reference U.S. Government activity |
| 720254-27 | 7/2 Vendor item drawing reference Raytheon Company Div Rmd Strategic |
NSN 5305-01-227-6397 is a Screw Assembly,panel, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-227-6397 has 4 manufacturer part numbers on file: 720254-27 (Fastener Technology Corp), DPY7900P6C4 (Huck International, Inc. Div Huck Products Division), 720254-27 (Fastener Innovation Technology, Inc. Dba F I T), 720254-27 (Huck International, Inc).
Key specifications for DPY7900P6C4: Fastener Length: 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 1 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Accommodated Thickness: 0.126 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN; Thread Length: 0.203 INCHES NOMINAL IN. 19 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.