The Screw,machine, cataloged under National Stock Number 5305-00-206-0647, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-206-0647 |
| Primary Part Number | 1888940 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | CANCELLED |
| Head Height | 0.125 INCHES NOMINAL IN |
| Screw Surface Treatment | ZINC |
| Fastener Length | 0.312 INCHES NOMINAL IN |
| Thread Length | 0.172 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.312 INCHES NOMINAL IN |
| Screw Material | STEEL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNF |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PC1888940 | Power Components (deutschland) Gmbh (DEU) |
| 1888940 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 1888940 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 1888940 | 5/9 Secondary reference U.S. Government activity |
| 1888940 | 5/9 Secondary reference General Motors Corp |
| 5305002060647 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 1888940 | 5/9 Secondary reference Euclid Inc |
NSN 5305-00-206-0647 is a Screw,machine, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5305, Screws. Status: cancelled.
NSN 5305-00-206-0647 has 2 manufacturer part numbers on file: PC1888940 (Power Components (deutschland) Gmbh), 1888940 (Rolls-Royce Solutions America Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-345-6563. Verify interchangeability with system specifications before substitution.
Key specifications for 1888940: Head Height: 0.125 INCHES NOMINAL IN; Screw Surface Treatment: ZINC; Fastener Length: 0.312 INCHES NOMINAL IN; Thread Length: 0.172 INCHES MINIMUM 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.
NSN 5305-00-206-0647 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.