PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7500LSeat,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-044-6042 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-044-6042 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-044-6042. Primary manufacturer part number: 7500L.
Features
  • Seat,valve — FSC 4820
  • Material: COPPER ALLOY OVERALL
  • Material Document and Classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • 5 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-044-6042, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-044-6042
Primary Part Number7500L
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Material Document and ClassificationMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-044-5293 INTERCHANGEABLE
Seat,valve
5305-01-479-091072444 INTERCHANGEABLE
Screw,machine
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
72444PIECE19 Lawler Manufacturing Company, Inc. (USA)
7500 Lawler Manufacturing Company, Inc. (USA)
7500 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
72444 Lawler Manufacturing Company, Inc. (USA)
7500L PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
4820-01-044-5293INTERCHANGEABLE
SEAT,VALVE
5305-01-479-0910INTERCHANGEABLE
SCREW,MACHINE
72444

Frequently Asked Questions

What is NSN 4820-01-044-6042?

NSN 4820-01-044-6042 is a Seat,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 4820-01-044-6042?

NSN 4820-01-044-6042 has 5 cross-referenced part numbers: 72444PIECE19 (Lawler Manufacturing Company, Inc.), 7500 (Lawler Manufacturing Company, Inc.), 7500 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 72444 (Lawler Manufacturing Company, Inc.), 7500L (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-044-6042?

There are 2 known substitutes for 4820-01-044-6042: 4820-01-044-5293, 5305-01-479-0910. Verify interchangeability with system specifications before substitution.

What are the specifications of 7500L?

Key specifications for 7500L: Material: COPPER ALLOY OVERALL; Material Document and Classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Special Features: UPPER SEAT. 3 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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