The Screw,panel Fastener, cataloged under National Stock Number 5305-01-507-1799, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-507-1799 |
| Primary Part Number | DPY7900P8C4.5 |
| Item Name | Screw,panel Fastener |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Fastener Length | 0.627 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Internal Drive Style | CROSS RECESS TYPE II |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | A2A |
| Thread Quantity Per Inch | 32 |
| Material | UNABLE TO DECODE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.335 INCHES NOMINAL 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 |
|---|---|
| DPY7900P8C4.5 PRIMARY | Huck International, Inc (USA) |
| DPY7900P8C4.5 | Elta Systems Ltd (ISR) |
| Reference | Meaning |
|---|---|
| DPY7900P8C4.5 | 5/9 Secondary reference Elta Systems Ltd |
NSN 5305-01-507-1799 is a Screw,panel Fastener, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-507-1799 has 2 manufacturer part numbers on file: DPY7900P8C4.5 (Huck International, Inc), DPY7900P8C4.5 (Elta Systems Ltd).
Key specifications for DPY7900P8C4.5: Fastener Length: 0.627 INCHES NOMINAL IN; Thread Length: 0.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.164 INCHES IN; Head Style: FLAT COUNTERSUNK. 11 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.