PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

254-01Seat,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-216-2302 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-216-2302 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-216-2302. Primary manufacturer part number: 254-01.
Features
  • Seat,valve — FSC 4820
  • Material: NICKEL ALLOY OVERALL
  • 3 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 Nickel Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-216-2302, 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 1 verified specification, 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
NSN4820-01-216-2302
Primary Part Number254-01
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialNICKEL ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-141-419963X0150 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5133-00-236-8104 INTERCHANGEABLE
Drill,twist
4010-00-282-25474010-4 INTERCHANGEABLE
Chain Assembly,single Leg
Defense Logistics Agency Dba Defense Supply Center Philadelphia
4320-00-371-4401 INTERCHANGEABLE
Ball,steel
6515-00-515-856540-104 INTERCHANGEABLE
Tube,extension,injection Set
Cobe Laboratories Inc
1680-00-565-739940104 INTERCHANGEABLE
Cover,actuator Swit
Honeywell International Inc. Div Aerospace - Torrance
5940-00-688-4283011-2049-479 INTERCHANGEABLE
Terminal,feedthru
Itt Cannon Rf Products
5330-00-776-82644010-4 INTERCHANGEABLE
Retainer,packing
Hamilton Sundstrand Corporation
6105-00-851-539640104 INTERCHANGEABLE
Stator,motor
Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc
5930-01-009-298540104 INTERCHANGEABLE
Switch Section,rotary
Telephonics Corp/prd Instruments
Cross-Reference Index
Part NumberManufacturer
254-01 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40104 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40104 PIECE 22 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5330-00-141-4199INTERCHANGEABLE
SEAL,PLAIN ENCASED
63X0150
5133-00-236-8104INTERCHANGEABLE
DRILL,TWIST
4010-00-282-2547INTERCHANGEABLE
CHAIN ASSEMBLY,SINGLE LEG
4010-4
4320-00-371-4401INTERCHANGEABLE
BALL,STEEL
6515-00-515-8565INTERCHANGEABLE
TUBE,EXTENSION,INJECTION SET
40-104
1680-00-565-7399INTERCHANGEABLE
COVER,ACTUATOR SWIT
40104
5940-00-688-4283INTERCHANGEABLE
TERMINAL,FEEDTHRU
011-2049-479
5330-00-776-8264INTERCHANGEABLE
RETAINER,PACKING
4010-4
6105-00-851-5396INTERCHANGEABLE
STATOR,MOTOR
40104
5930-01-009-2985INTERCHANGEABLE
SWITCH SECTION,ROTARY
40104
3040-01-036-1517INTERCHANGEABLE
COLLAR,SHAFT
40104
4930-01-061-5258INTERCHANGEABLE
PARTS KIT,LUBRICATOR
L07-100-MPA

Frequently Asked Questions

What is NSN 4820-01-216-2302?

NSN 4820-01-216-2302 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 4820-01-216-2302?

NSN 4820-01-216-2302 has 3 cross-referenced part numbers: 254-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40104 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40104 PIECE 22 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-216-2302?

There are 12 known substitutes for 4820-01-216-2302: 5330-00-141-4199, 5133-00-236-8104, 4010-00-282-2547 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 254-01?

Key specifications for 254-01: Material: NICKEL ALLOY OVERALL. 1 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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