The Screw,machine, cataloged under National Stock Number 5305-01-317-0895, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-317-0895 |
| Primary Part Number | 1621202 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Head Height | 2.4 MILLIMETERS NOMINAL MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 18.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.7 |
| Thread Length | 16.6 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM MM |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | SLOT |
| Thread Series Designator | M |
| Head Diameter | 8.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 1621202 PRIMARY | Lockheed Martin Corporation (USA) |
| DIN85M4X18-STL | Din Deutsches Institut Fur Normung Ev (DEU) |
NSN 5305-01-317-0895 is a Screw,machine, manufactured by Lockheed Martin Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-317-0895 has 2 manufacturer part numbers on file: 1621202 (Lockheed Martin Corporation), DIN85M4X18-STL (Din Deutsches Institut Fur Normung Ev).
Key specifications for 1621202: Head Height: 2.4 MILLIMETERS NOMINAL MM; External Thread Tolerance Class: 6G G; Fastener Length: 18.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.7. 12 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.