PartsTable TECHNICAL DATA SHEET
NSN 5945-01-165-5405Government record, cited

Plunger, Solenoid5945-01-165-5405

NSN 5945-01-165-5405 · NIIN 011655405 · Part number 5550003
Naval Sea Systems Command · FSC 5945 — Relays and Solenoids · FSG 59 — Electrical and Electronic Equipment Components · CAGE 53711
Government record, cited
NSN 5945-01-165-5405 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-165-5405. Manufacturer of record part number: 5550003.
Also searched as  5945-01-165-5405 · 5945011655405 · NIIN 011655405 · 01-165-5405 · FSC 5945 Relays and Solenoids · CAGE 53711 · 5550003
Nearby stock numbers  ·
Features
  • Plunger,solenoid — FSC 5945
  • Shaft Type: PLAIN ROUND
  • Shaft Diameter: 0.500 INCHES NOMINAL IN
  • Overall Diameter: 0.687 INCHES NOMINAL IN
  • Hole Depth: 0.188 INCHES MAXIMUM IN
  • Felt Washer: NOT INCLUDED
  • Thread Length: 0.138 INCHES IN
  • Thread Direction: RIGHT-HAND
Identification
  • NSN: 5945-01-165-5405
  • NIIN: 011655405
  • FSC: 5945 — Relays and Solenoids
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 5550003
  • Manufacturer: Naval Sea Systems Command
General Description

The Plunger,solenoid, cataloged under National Stock Number 5945-01-165-5405, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 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.

Technical Specifications
ParameterValue
NSN5945-01-165-5405
Primary Part Number5550003
Item NamePlunger,solenoid
FSC / FSG5945 / 59 — Relays and Solenoids
ManufacturerNaval Sea Systems Command
StatusACTIVE
Shaft TypePLAIN ROUND
Shaft Diameter0.500 INCHES NOMINAL IN
Overall Diameter0.687 INCHES NOMINAL IN
Hole Depth0.188 INCHES MAXIMUM IN
Felt WasherNOT INCLUDED
Thread Length0.138 INCHES IN
Thread DirectionRIGHT-HAND
Machined Undercut FeatureNOT INCLUDED
MaterialSTEEL
Linkage TypeTHREADED HOLE
Hole Diameter0.083 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
5550003 PRIMARY Naval Sea Systems Command (USA)
5550003 Bae Systems Land & Armaments L.p. (USA)
No interchangeability data on file.
Other items in FSC 5945 — Relays and Solenoids
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5945-00-000-0093
5945-00-000-0093 · Item name not on file
5945-00-001-1891
5945-00-001-1891 · Item name not on file
5945-00-001-2622
PLATE,RELAY
5945-00-001-2795
RELAY,ELECTROMAGNETIC
5945-00-001-2806
RELAY,REED
5945-00-001-2938
5945-00-001-2938 · Item name not on file
5945-00-001-3015
RELAY ASSEMBLY
5945-00-001-3016
PROTECTOR,OVERLOAD

Frequently Asked Questions

What is NSN 5945-01-165-5405?

NSN 5945-01-165-5405 is a Plunger,solenoid, manufactured by Naval Sea Systems Command, classified under FSC 5945, Relays and Solenoids. Status: active.

What part numbers are listed for NSN 5945-01-165-5405?

NSN 5945-01-165-5405 has 2 manufacturer part numbers on file: 5550003 (Naval Sea Systems Command), 5550003 (Bae Systems Land & Armaments L.p.).

What are the specifications of 5550003?

Key specifications for 5550003: Shaft Type: PLAIN ROUND; Shaft Diameter: 0.500 INCHES NOMINAL IN; Overall Diameter: 0.687 INCHES NOMINAL IN; Hole Depth: 0.188 INCHES MAXIMUM IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 5945-01-165-5405 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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