PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

245-00Cap,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-423-8758 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-423-8758 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-423-8758. Primary manufacturer part number: 245-00.
Features
  • Cap,valve — FSC 4820
  • Material Document and Classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE
  • Valve Type for Which Designed: TEMPERATURE REGULATING
  • Attachment Method: THREADED
  • Valve Size for Which Designed: 1.250 INCHES IN
  • Valve Model Number for Which Designed: 40053-4
  • Material: COPPER ALLOY
  • 3 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Cap,valve, cataloged under National Stock Number 4820-01-423-8758, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-423-8758
Primary Part Number245-00
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Material Document and ClassificationMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE
Valve Type for Which DesignedTEMPERATURE REGULATING
Attachment MethodTHREADED
Valve Size for Which Designed1.250 INCHES IN
Valve Model Number for Which Designed40053-4
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-001-1474400534 INTERCHANGEABLE
Terminal Board
Eaton Aerospace, Llc Dba Jackson South
5331-00-165-1965AS3209-248 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4330-00-360-427527264 INTERCHANGEABLE
Filter Assembly,fluid
Arvinmeritor Inc
3030-00-822-4150 INTERCHANGEABLE
Belt,v
9905-01-107-699940053-4 INTERCHANGEABLE
Reflector,indicating,clearance
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
3950-01-138-6931 INTERCHANGEABLE
Chain,chain Hoist
5360-01-145-749924-500 INTERCHANGEABLE
Spring
Rix Industries
5950-01-251-3942 INTERCHANGEABLE
Transformer,audio Frequency
4820-01-310-123450002-29 INTERCHANGEABLE
Regulator,thermostatic Temperatu
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4730-01-365-913824500-1 INTERCHANGEABLE
Plug,quick Disconnect
Hydraulics International, Inc. Dba Hydraulics International Inc
Cross-Reference Index
Part NumberManufacturer
40053-4 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
245-00 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40053-4 PC 19 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5940-00-001-1474INTERCHANGEABLE
TERMINAL BOARD
400534
5331-00-165-1965INTERCHANGEABLE
O-RING
AS3209-248
4330-00-360-4275INTERCHANGEABLE
FILTER ASSEMBLY,FLUID
27264
3030-00-822-4150INTERCHANGEABLE
BELT,V
9905-01-107-6999INTERCHANGEABLE
REFLECTOR,INDICATING,CLEARANCE
40053-4
3950-01-138-6931INTERCHANGEABLE
CHAIN,CHAIN HOIST
5360-01-145-7499INTERCHANGEABLE
SPRING
24-500
5950-01-251-3942INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
4820-01-310-1234INTERCHANGEABLE
REGULATOR,THERMOSTATIC TEMPERATU
50002-29
4730-01-365-9138INTERCHANGEABLE
PLUG,QUICK DISCONNECT
24500-1
4730-01-366-0724INTERCHANGEABLE
PLUG,PIPE
24500-2
4820-01-370-7979INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40053-403

Frequently Asked Questions

What is NSN 4820-01-423-8758?

NSN 4820-01-423-8758 is a Cap,valve, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-423-8758?

NSN 4820-01-423-8758 has 3 cross-referenced part numbers: 40053-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 245-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40053-4 PC 19 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-423-8758?

There are 12 known substitutes for 4820-01-423-8758: 5940-00-001-1474, 5331-00-165-1965, 4330-00-360-4275 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 245-00?

Key specifications for 245-00: End Item Identification: 170 FT PATROL COASTAL FT; Material Document and Classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE; Valve Type for Which Designed: TEMPERATURE REGULATING; Attachment Method: THREADED. 7 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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