PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X933Relay,rotary

Couch S H Co · NSN 5945-00-952-8145 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-952-8145 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-952-8145. Primary manufacturer part number: X933.
Features
  • Relay,rotary — FSC 5945
  • Reference Number Differentiating Characteristics: SELECTED AND TESTED FOR NUCLEAR SYSTEMS
  • 3 verified cross-references
  • Primary manufacturer: Couch S H Co
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,rotary, cataloged under National Stock Number 5945-00-952-8145, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Couch S H Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-952-8145
Primary Part NumberX933
Item NameRelay,rotary
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerCouch S H Co
StatusACTIVE
Reference Number Differentiating CharacteristicsSELECTED AND TESTED FOR NUCLEAR SYSTEMS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-525-5540SM-C-800884-1 INTERCHANGEABLE
Transformer,pulse
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-962-1087X933 INTERCHANGEABLE
Coil,radio Frequency
Communication Coil, Inc. Div -
Cross-Reference Index
Part NumberManufacturer
X933 Couch S H Co (USA)
KAT431 Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA)
X933 Dri Relays Inc. Dba Dri Relays Inc (USA)
Related Parts
5950-00-525-5540INTERCHANGEABLE
TRANSFORMER,PULSE
SM-C-800884-1
5950-00-962-1087INTERCHANGEABLE
COIL,RADIO FREQUENCY
X933

Frequently Asked Questions

What is NSN 5945-00-952-8145?

NSN 5945-00-952-8145 is a Relay,rotary, manufactured by Couch S H Co, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-952-8145?

NSN 5945-00-952-8145 has 3 cross-referenced part numbers: X933 (Couch S H Co), KAT431 (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution), X933 (Dri Relays Inc. Dba Dri Relays Inc).

What NSN replaces 5945-00-952-8145?

There are 2 known substitutes for 5945-00-952-8145: 5950-00-525-5540, 5950-00-962-1087. Verify interchangeability with system specifications before substitution.

What are the specifications of X933?

Key specifications for X933: Reference Number Differentiating Characteristics: SELECTED AND TESTED FOR NUCLEAR SYSTEMS. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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