The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-307-5025, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-307-5025 |
| Primary Part Number | 708-SS-1.063-1 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Head Height | 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN |
| Fastener Length | 1.063 INCHES NOMINAL IN |
| Thread Length | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| First Diameter From Head | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.657 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.370 INCHES MINIMUM AND 0.380 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 |
|---|---|
| 708-SS-1.063-1 PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
| Reference | Meaning |
|---|---|
| 708-1.063-SS1 | C/1 Advisory reference — outside the item-of-supply concept Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
NSN 5305-01-307-5025 is a Screw,externally Relieved Body, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-307-5025 has 1 manufacturer part number on file: 708-SS-1.063-1 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for 708-SS-1.063-1: Head Height: 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN; Fastener Length: 1.063 INCHES NOMINAL IN; Thread Length: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; First Diameter From Head: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN. 16 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.