PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

628-01Seat,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-150-4901 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-150-4901 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-150-4901. Primary manufacturer part number: 628-01.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: FLAT
  • Material: NICKEL ALLOY OVERALL
  • Material Document and Classification: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE 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 4820-01-150-4901, 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 3 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
NSN4820-01-150-4901
Primary Part Number628-01
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Seating Surface ShapeFLAT
MaterialNICKEL ALLOY OVERALL
Material Document and ClassificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-061-21196280-1 INTERCHANGEABLE
Coil,radio Frequency
Decision Data Computer Corp
3110-00-155-6403 INTERCHANGEABLE
Bearing,ball,annular
9340-00-261-9950 INTERCHANGEABLE
Window,observation
4730-00-403-468901045008 INTERCHANGEABLE
Flange,pipe
Nibco Inc Chemtrol Div
2805-00-528-639740107A INTERCHANGEABLE
Valve,poppet,engine
Dana Off Highway Products, Llc
5945-00-617-952662-801 INTERCHANGEABLE
Relay,electromagnetic
Lockheed Martin Corporation Div Rms - Mitchel Field
5330-00-799-19504010-7 INTERCHANGEABLE
Retainer,packing
Hamilton Sundstrand Corporation
6930-01-078-1443 INTERCHANGEABLE
Speed Recorder Assy
4820-01-152-513640107-101 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4130-01-201-0389 INTERCHANGEABLE
Conversion Kit
Cross-Reference Index
Part NumberManufacturer
40107 PIECE 17 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40107 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
628-01 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5950-00-061-2119INTERCHANGEABLE
COIL,RADIO FREQUENCY
6280-1
3110-00-155-6403INTERCHANGEABLE
BEARING,BALL,ANNULAR
9340-00-261-9950INTERCHANGEABLE
WINDOW,OBSERVATION
4730-00-403-4689INTERCHANGEABLE
FLANGE,PIPE
01045008
2805-00-528-6397INTERCHANGEABLE
VALVE,POPPET,ENGINE
40107A
5945-00-617-9526INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
62-801
5330-00-799-1950INTERCHANGEABLE
RETAINER,PACKING
4010-7
6930-01-078-1443INTERCHANGEABLE
SPEED RECORDER ASSY
4820-01-152-5136INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40107-101
4130-01-201-0389INTERCHANGEABLE
CONVERSION KIT
4820-01-313-8637INTERCHANGEABLE
VALVE,CHECK
7M640-28
4820-01-384-8872INTERCHANGEABLE
DISK,VALVE
626-01

Frequently Asked Questions

What is NSN 4820-01-150-4901?

NSN 4820-01-150-4901 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 4820-01-150-4901?

NSN 4820-01-150-4901 has 3 cross-referenced part numbers: 40107 PIECE 17 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40107 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 628-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-150-4901?

There are 12 known substitutes for 4820-01-150-4901: 5950-00-061-2119, 3110-00-155-6403, 9340-00-261-9950 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 628-01?

Key specifications for 628-01: Seating Surface Shape: FLAT; Material: NICKEL ALLOY OVERALL; Material Document and Classification: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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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