The Screw,machine, cataloged under National Stock Number 5305-00-772-8722, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corp. Government technical data includes 13 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-772-8722 |
| Primary Part Number | DX517160-10 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Head Height | 0.069 INCHES NOMINAL IN |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Thread Length | 0.325 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Features Provided | O RING |
| Head Style | WATERTIGHT |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 303 |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.220 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 |
|---|---|
| DX517160-10 PRIMARY | Lockheed Martin Corp (USA) |
| Reference | Meaning |
|---|---|
| DX517160-10 | 5/9 Secondary reference Unisys Corp Defense Systems C S D Field Engineering |
| 74455123028 | 5/2 Secondary reference U.S. Government activity |
| NDX517160-10 | 5/9 Secondary reference U.S. Government activity |
| HT04S40S06 | 5/9 Secondary reference Align Aerospace Llc |
| SS0440AA06 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-00-772-8722 is a Screw,machine, manufactured by Lockheed Martin Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-772-8722 has 1 manufacturer part number on file: DX517160-10 (Lockheed Martin Corp).
Key specifications for DX517160-10: Head Height: 0.069 INCHES NOMINAL IN; Fastener Length: 0.375 INCHES NOMINAL IN; Thread Length: 0.325 INCHES NOMINAL IN; Nominal Thread Diameter: 0.112 INCHES IN. 13 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.