PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

930-02Seat,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-168-1949 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-168-1949 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-168-1949. Primary manufacturer part number: 930-02.
Features
  • Seat,valve — FSC 4820
  • Material Document and Classification: ASTM A494 ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Material: NICKEL ALLOY OVERALL
  • Thread Series Designator: UNS SINGLE THREADED PORTION
  • Style Designator: THREADED FLANGED
  • Thread Length: 0.182 INCHES NOMINAL SINGLE THREADED PORTION IN
  • Thread Quantity Per Inch: 18 SINGLE THREADED PORTION
  • Body Inside Diameter: 0.625 INCHES NOMINAL IN
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 4820-01-168-1949, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4820-01-168-1949
Primary Part Number930-02
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Material Document and ClassificationASTM A494 ASSN STD ALL MATERIAL RESPONSES OVERALL
MaterialNICKEL ALLOY OVERALL
Thread Series DesignatorUNS SINGLE THREADED PORTION
Style DesignatorTHREADED FLANGED
Thread Length0.182 INCHES NOMINAL SINGLE THREADED PORTION IN
Thread Quantity Per Inch18 SINGLE THREADED PORTION
Body Inside Diameter0.625 INCHES NOMINAL IN
Nominal Thread Size0.875 INCHES SINGLE THREADED PORTION IN
Thread Class2A SINGLE THREADED PORTION A
Seating Surface ShapeFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6605-00-031-7945 INTERCHANGEABLE
Resolver,special
5310-00-209-513393002 INTERCHANGEABLE
Washer,lock
Telemechanics Inc
5995-00-253-10591091979G1 INTERCHANGEABLE
Cable Assembly,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
4720-00-604-4409336753 INTERCHANGEABLE
Hose Assembly,nonmetallic
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2920-00-999-6991M2432A INTERCHANGEABLE
Cam,magneto
Fairbanks Morse, Llc
4820-01-168-195640398-901 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-168-2161931-00 INTERCHANGEABLE
Disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-168-2162923 INTERCHANGEABLE
Diaphragm,valve,flat
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4730-01-244-00075801-2IN INTERCHANGEABLE
Coupling,pipe
Nibco Inc
6510-01-271-568482002 INTERCHANGEABLE
Bandage,cast,impregnated
3m Company Div Health Care Business
Cross-Reference Index
Part NumberManufacturer
40398-09 FIND 13 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40398-09 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
930-02 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
930 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
6605-00-031-7945INTERCHANGEABLE
RESOLVER,SPECIAL
5310-00-209-5133INTERCHANGEABLE
WASHER,LOCK
93002
5995-00-253-1059INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
1091979G1
4720-00-604-4409INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
336753
2920-00-999-6991INTERCHANGEABLE
CAM,MAGNETO
M2432A
4820-01-168-1956INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40398-901
4820-01-168-2161INTERCHANGEABLE
DISK,VALVE
931-00
4820-01-168-2162INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
923
4730-01-244-0007INTERCHANGEABLE
COUPLING,PIPE
5801-2IN
6510-01-271-5684INTERCHANGEABLE
BANDAGE,CAST,IMPREGNATED
82002
4920-01-296-1603INTERCHANGEABLE
TEST PROGRAM SET
93002
5915-01-440-6845INTERCHANGEABLE
CAPACITOR-RESISTOR
93002

Frequently Asked Questions

What is NSN 4820-01-168-1949?

NSN 4820-01-168-1949 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 4820-01-168-1949?

NSN 4820-01-168-1949 has 4 cross-referenced part numbers: 40398-09 FIND 13 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40398-09 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 930-02 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 930 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-168-1949?

There are 12 known substitutes for 4820-01-168-1949: 6605-00-031-7945, 5310-00-209-5133, 5995-00-253-1059 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 930-02?

Key specifications for 930-02: Material Document and Classification: ASTM A494 ASSN STD ALL MATERIAL RESPONSES OVERALL; Material: NICKEL ALLOY OVERALL; Thread Series Designator: UNS SINGLE THREADED PORTION; Style Designator: THREADED FLANGED. 12 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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