PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30428Relay,thermal

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 5945-00-458-6864 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-458-6864 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-458-6864. Primary manufacturer part number: 30428.
Features
  • Relay,thermal — FSC 5945
  • Environmental Protection: HERMETIC AND DUSTPROOF
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Delay Time in Seconds: 9.0 ADJUSTABLE OPERATE MINIMUM AND 11.0 ADJUSTABLE OPERATE MAXIMUM
  • Contact Maximum Voltage Rating in Volts: 115.0 AC
  • Heater Voltage Rating in Volts: 115.0
  • Contact Maximum Current Rating in Amps: 3.0 AC
  • Contact Arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,thermal, cataloged under National Stock Number 5945-00-458-6864, 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 Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-458-6864
Primary Part Number30428
Item NameRelay,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
Environmental ProtectionHERMETIC AND DUSTPROOF
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Delay Time in Seconds9.0 ADJUSTABLE OPERATE MINIMUM AND 11.0 ADJUSTABLE OPERATE MAXIMUM
Contact Maximum Voltage Rating in Volts115.0 AC
Heater Voltage Rating in Volts115.0
Contact Maximum Current Rating in Amps3.0 AC
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
Heater Power Rating in Watts4.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2520-00-217-930730428 INTERCHANGEABLE
Transmission
Mitsubishi Caterpillar Forklift America, Inc
5330-00-463-6912 INTERCHANGEABLE
Gasket
3230-01-224-579030428 INTERCHANGEABLE
Bit,router
Black and Decker Us Inc
6550-01-524-424830428 INTERCHANGEABLE
Test Kit,prostate Specific Antig
Biomerieux Inc
Cross-Reference Index
Part NumberManufacturer
30428 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
GT5229 Radiodetection, Llc (USA)
Related Parts
2520-00-217-9307INTERCHANGEABLE
TRANSMISSION
30428
5330-00-463-6912INTERCHANGEABLE
GASKET
3230-01-224-5790INTERCHANGEABLE
BIT,ROUTER
30428
6550-01-524-4248INTERCHANGEABLE
TEST KIT,PROSTATE SPECIFIC ANTIG
30428

Frequently Asked Questions

What is NSN 5945-00-458-6864?

NSN 5945-00-458-6864 is a Relay,thermal, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-458-6864?

NSN 5945-00-458-6864 has 2 cross-referenced part numbers: 30428 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems), GT5229 (Radiodetection, Llc).

What NSN replaces 5945-00-458-6864?

There are 4 known substitutes for 5945-00-458-6864: 2520-00-217-9307, 5330-00-463-6912, 3230-01-224-5790 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30428?

Key specifications for 30428: Environmental Protection: HERMETIC AND DUSTPROOF; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Delay Time in Seconds: 9.0 ADJUSTABLE OPERATE MINIMUM AND 11.0 ADJUSTABLE OPERATE MAXIMUM; Overall Length: 2.370 INCHES NOMINAL IN. 12 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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