PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1R-10Heater Set,thermal Release

Frost Industrial Electric Co Inc Dba Watt Heat · NSN 5999-01-426-2981 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-426-2981 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-426-2981. Primary manufacturer part number: 1R-10.
Features
  • Heater Set,thermal Release — FSC 5999
  • 1 verified cross-reference
  • Primary manufacturer: Frost Industrial Electric Co Inc Dba Watt Heat
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater Set,thermal Release, cataloged under National Stock Number 5999-01-426-2981, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Frost Industrial Electric Co Inc Dba Watt Heat. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-426-2981
Primary Part Number1R-10
Item NameHeater Set,thermal Release
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerFrost Industrial Electric Co Inc Dba Watt Heat
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.2000 lbs
Cube0.0521 cu ft
Verified Substitutes 2
3445-00-003-1049 INTERCHANGEABLE
Shearing Machine,metal,squaring
5961-00-826-9048 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1R-10 PRIMARY Frost Industrial Electric Co Inc Dba Watt Heat (USA)
Related Parts
3445-00-003-1049INTERCHANGEABLE
SHEARING MACHINE,METAL,SQUARING
5961-00-826-9048INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5999-01-426-2981?

NSN 5999-01-426-2981 is a Heater Set,thermal Release, manufactured by Frost Industrial Electric Co Inc Dba Watt Heat, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-426-2981?

NSN 5999-01-426-2981 has 1 cross-referenced part number: 1R-10 (Frost Industrial Electric Co Inc Dba Watt Heat).

What NSN replaces 5999-01-426-2981?

There are 2 known substitutes for 5999-01-426-2981: 3445-00-003-1049, 5961-00-826-9048. Verify interchangeability with system specifications before substitution.

What are the specifications of 1R-10?

Key specifications for 1R-10: End Item Identification: PREPROVISIONING SUPPORT NAVICP IS POE; End Item Identification: PREPROVISIONING SUPPORT NAVICP IS POE. 2 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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