The Plunger,solenoid, cataloged under National Stock Number 5945-01-116-5837, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-116-5837 |
| Primary Part Number | 42457C |
| Item Name | Plunger,solenoid |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Overall Diameter | 0.400 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN |
| Felt Washer | NOT INCLUDED |
| Machined Undercut Feature | NOT INCLUDED |
| Linkage Type | T-SLOT |
| 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 |
|---|---|
| 42457C PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 42457C | 5/9 Secondary reference Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| 42457C | 5/9 Secondary reference Donallco Inc |
NSN 5945-01-116-5837 is a Plunger,solenoid, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-116-5837 has 1 manufacturer part number on file: 42457C (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 42457C: Overall Diameter: 0.400 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN; Felt Washer: NOT INCLUDED; Overall Length: 0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN; Machined Undercut Feature: NOT INCLUDED. 4 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.