The Setscrew, cataloged under National Stock Number 5305-01-471-7717, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-471-7717 |
| Primary Part Number | 240175-100 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | L3 Technologies, Inc. |
| Status | ACTIVE |
| Fastener Length | 0.188 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| LFEM953-017 | L.f.e. (FRA) |
| 240175-100 PRIMARY | L3 Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 240175-100 | 5/9 Secondary reference Litton Precision Products |
NSN 5305-01-471-7717 is a Setscrew, manufactured by L3 Technologies, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-471-7717 has 2 manufacturer part numbers on file: LFEM953-017 (L.f.e.), 240175-100 (L3 Technologies, Inc.).
Key specifications for 240175-100: Fastener Length: 0.188 INCHES NOMINAL IN; Nominal Thread Diameter: 0.138 INCHES IN; Thread Direction: RIGHT-HAND; End Item Identification: M983 NIGHT VISION VIEWER; LITTON SYSTEMS, LITTON ELECTRO-OPTICAL DIV, 55311. 5 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.