PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-320Relay,solid State

Te Connectivity Corporation · NSN 5945-01-094-7958 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-094-7958 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-094-7958. Primary manufacturer part number: 21-320.
Features
  • Relay,solid State — FSC 5945
  • 2 verified cross-references
  • Primary manufacturer: Te Connectivity Corporation
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,solid State, cataloged under National Stock Number 5945-01-094-7958, 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 Te Connectivity Corporation. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-094-7958
Primary Part Number21-320
Item NameRelay,solid State
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5930-00-272-137921620B INTERCHANGEABLE
Switch,toggle
H20 Tank Inc U S Motors Div
9540-00-540-5936 INTERCHANGEABLE
Angle,structural
6105-00-789-8022153-72 INTERCHANGEABLE
Motor,alternating Current
Te Connectivity Corporation
2590-01-082-142121320 INTERCHANGEABLE
Parts Kit,air Horn
Lucas Signatone Corp
4810-01-419-256021320-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-419-263421320-850-1 INTERCHANGEABLE
Sleeve and Slide,directional Con
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
6640-01-426-3868213-20 INTERCHANGEABLE
Powder,hardness Rea
Hach Company Dba Hach Co
6515-01-563-528221320 INTERCHANGEABLE
Protector,luer Lock Injector
Carmel Pharma, Inc.
4720-01-625-8944213-20 INTERCHANGEABLE
Hose,nonmetallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
Cross-Reference Index
Part NumberManufacturer
403-1SX Te Connectivity Corporation (USA)
21-320 PRIMARY Te Connectivity Corporation (USA)
Related Parts
5930-00-272-1379INTERCHANGEABLE
SWITCH,TOGGLE
21620B
9540-00-540-5936INTERCHANGEABLE
ANGLE,STRUCTURAL
6105-00-789-8022INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
153-72
2590-01-082-1421INTERCHANGEABLE
PARTS KIT,AIR HORN
21320
4810-01-419-2560INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21320-001
4810-01-419-2634INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21320-850-1
6640-01-426-3868INTERCHANGEABLE
POWDER,HARDNESS REA
213-20
6515-01-563-5282INTERCHANGEABLE
PROTECTOR,LUER LOCK INJECTOR
21320
4720-01-625-8944INTERCHANGEABLE
HOSE,NONMETALLIC
213-20

Frequently Asked Questions

What is NSN 5945-01-094-7958?

NSN 5945-01-094-7958 is a Relay,solid State, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-094-7958?

NSN 5945-01-094-7958 has 2 cross-referenced part numbers: 403-1SX (Te Connectivity Corporation), 21-320 (Te Connectivity Corporation).

What NSN replaces 5945-01-094-7958?

There are 9 known substitutes for 5945-01-094-7958: 5930-00-272-1379, 9540-00-540-5936, 6105-00-789-8022 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-320?

Key specifications for 21-320: Special Features: CONTACT RATING; 1PSTNO AND 1PSTNC; 2 AMP AT 120 VAC OR 28 VDC; INPUT VOLTAGE 120 VAC; 3 PHASE 3 WIRE; 400 HZ; UNDERRVOLTAGE TRIP 70-100 PERCENT; 3.876 IN. LG; 3.500 IN. W; 2.469 IN. H; FOUR 0.172 IN. DIA MTG HOLES ON 3.500 IN. BY 2.750 IN. MTG CENTERS; SCREWDRIVER ADJUSTABLE VDC. 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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