The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-207-4780, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-207-4780 |
| Primary Part Number | K7002556 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Head Height | 0.179 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| Fastener Length | 1.155 INCHES MINIMUM AND 1.165 INCHES MAXIMUM IN |
| Thread Length | 1.066 INCHES MINIMUM IN |
| First Diameter From Head | 0.099 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.094 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.297 INCHES MINIMUM AND 0.328 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 |
|---|---|
| K7002556 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| K7002556 | 3/9 Design control — primary reference General Electric Co Electronic Components Division of Electronic Atomic and Defense Systems Group |
NSN 5305-00-207-4780 is a Screw,externally Relieved Body, manufactured by General Electric Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-207-4780 has 1 manufacturer part number on file: K7002556 (General Electric Company).
Key specifications for K7002556: Head Height: 0.179 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN; Fastener Length: 1.155 INCHES MINIMUM AND 1.165 INCHES MAXIMUM IN; Thread Length: 1.066 INCHES MINIMUM IN; First Diameter From Head: 0.099 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN. 15 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.