PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203D1T0D4ANDD7Collar Assembly,heater

Sterling Mfg Co · NSN 4540-00-740-0125 · FSC 4540 · No Item Name Available
Verified by PartsTable
NSN 4540-00-740-0125 — this item is cataloged by the U.S. Government under National Stock Number 4540-00-740-0125. Primary manufacturer part number: 203D1T0D4ANDD7.
Features
  • Collar Assembly,heater — FSC 4540
  • General Characteristics Item Description: STEEL;SAE 1010 OR 1020;CONSISTS OF PIPE,3.500 IN. SIZE 1;BODY,COLLAR 1;BRACKET,ANGLE 2;9.500 IN. O/A LG;7.812 IN. O/A H;7.625 IN. O/A W IN
  • 5 verified cross-references
  • Primary manufacturer: Sterling Mfg Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Collar Assembly,heater, cataloged under National Stock Number 4540-00-740-0125, is classified within Federal Supply Class 4540 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Sterling Mfg Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4540-00-740-0125
Primary Part Number203D1T0D4ANDD7
Item NameCollar Assembly,heater
FSC / FSG4540 / 45 — No Item Name Available
ManufacturerSterling Mfg Co
StatusCANCELLED
General Characteristics Item DescriptionSTEEL;SAE 1010 OR 1020;CONSISTS OF PIPE,3.500 IN. SIZE 1;BODY,COLLAR 1;BRACKET,ANGLE 2;9.500 IN. O/A LG;7.812 IN. O/A H;7.625 IN. O/A W IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5961-00-430-68181855-0098 INTERCHANGEABLE
Transistor
Keysight Technologies Inc
6625-00-991-4994M5000 INTERCHANGEABLE
Galvanometer,sub-Miniature
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
2590-01-468-7350 INTERCHANGEABLE
Winch,drum,vehicle Mounting
7025-01-519-4614 INTERCHANGEABLE
Mouse,data Entry
Cross-Reference Index
Part NumberManufacturer
203D1T0D4ANDD7 PRIMARY Sterling Mfg Co (USA)
M5000 Vbm Corp (USA)
Y10934 Preway Inc
5-13-354PCSD1,D2,D,D4,D7,D8,D9 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
5-13-454D1THRUD9 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
Related Parts
5961-00-430-6818INTERCHANGEABLE
TRANSISTOR
1855-0098
6625-00-991-4994INTERCHANGEABLE
GALVANOMETER,SUB-MINIATURE
M5000
2590-01-468-7350INTERCHANGEABLE
WINCH,DRUM,VEHICLE MOUNTING
7025-01-519-4614INTERCHANGEABLE
MOUSE,DATA ENTRY

Frequently Asked Questions

What is NSN 4540-00-740-0125?

NSN 4540-00-740-0125 is a Collar Assembly,heater, manufactured by Sterling Mfg Co, classified under FSC 4540 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4540-00-740-0125?

NSN 4540-00-740-0125 has 5 cross-referenced part numbers: 203D1T0D4ANDD7 (Sterling Mfg Co), M5000 (Vbm Corp), Y10934 (Preway Inc), 5-13-354PCSD1,D2,D,D4,D7,D8,D9 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center), 5-13-454D1THRUD9 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center).

What NSN replaces 4540-00-740-0125?

There are 4 known substitutes for 4540-00-740-0125: 5961-00-430-6818, 6625-00-991-4994, 2590-01-468-7350 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 203D1T0D4ANDD7?

Key specifications for 203D1T0D4ANDD7: General Characteristics Item Description: STEEL;SAE 1010 OR 1020;CONSISTS OF PIPE,3.500 IN. SIZE 1;BODY,COLLAR 1;BRACKET,ANGLE 2;9.500 IN. O/A LG;7.812 IN. O/A H;7.625 IN. O/A W IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4540-00-740-0125 still in active supply?

NSN 4540-00-740-0125 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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