PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40609-8 PC NO 37Seat,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-517-0960 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-517-0960 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-517-0960. Primary manufacturer part number: 40609-8 PC NO 37.
Features
  • Seat,valve — FSC 4820
  • Seal Accommodation Type: GROOVED
  • Style Designator: PLAIN FLANGED
  • Material: COPPER ALLOY 922 SEAT
  • Material Document and Classification: ASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE SEAT
  • Seating Surface Shape: O-RING
  • 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 Copper Alloy 922 Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-517-0960, 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 5 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
NSN4820-01-517-0960
Primary Part Number40609-8 PC NO 37
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Seal Accommodation TypeGROOVED
Style DesignatorPLAIN FLANGED
MaterialCOPPER ALLOY 922 SEAT
Material Document and ClassificationASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Seating Surface ShapeO-RING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3040-00-153-7662 INTERCHANGEABLE
Shaft,straight
5950-00-310-3954226275-000 INTERCHANGEABLE
Reactor
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5935-00-462-1809LPM-50 INTERCHANGEABLE
Plug,telephone
Trompeter Electronics, Inc.
5355-00-575-7343101401 INTERCHANGEABLE
Knob
Electronic Hardware Corp Dba Electronic Hardware Corp
5826-00-872-4228101401 INTERCHANGEABLE
Adapter,gear
Astronautics Corporation of America
5940-00-983-6071 INTERCHANGEABLE
Terminal Board
1650-00-986-410250320 INTERCHANGEABLE
Dampener,fluid Pressure
Parker Hannifin Corporation Div Hydraulic Systems Division
7030-01-400-23651014-01 INTERCHANGEABLE
Software Kit
Garmin International, Inc. Dba Garmin
5305-01-416-9996101.40-1 INTERCHANGEABLE
Screw,cap,hexagon Head
Ward Leonard Ct Llc
6680-01-429-8043101401 INTERCHANGEABLE
Glass,liquid Sight Indicator,fla
Dover Corp Groen Div
Cross-Reference Index
Part NumberManufacturer
40609-8 PC NO 37 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
1014-01 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40609-8 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
3040-00-153-7662INTERCHANGEABLE
SHAFT,STRAIGHT
5950-00-310-3954INTERCHANGEABLE
REACTOR
226275-000
5935-00-462-1809INTERCHANGEABLE
PLUG,TELEPHONE
LPM-50
5355-00-575-7343INTERCHANGEABLE
KNOB
101401
5826-00-872-4228INTERCHANGEABLE
ADAPTER,GEAR
101401
5940-00-983-6071INTERCHANGEABLE
TERMINAL BOARD
1650-00-986-4102INTERCHANGEABLE
DAMPENER,FLUID PRESSURE
50320
7030-01-400-2365INTERCHANGEABLE
SOFTWARE KIT
1014-01
5305-01-416-9996INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
101.40-1
6680-01-429-8043INTERCHANGEABLE
GLASS,LIQUID SIGHT INDICATOR,FLA
101401
4820-01-515-9048INTERCHANGEABLE
RETAINER,DISK,VALVE
40609-8 PC NO 32
4820-01-515-9392INTERCHANGEABLE
DISK,VALVE
40609-8 PC NO 33

Frequently Asked Questions

What is NSN 4820-01-517-0960?

NSN 4820-01-517-0960 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 4820-01-517-0960?

NSN 4820-01-517-0960 has 3 cross-referenced part numbers: 40609-8 PC NO 37 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 1014-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40609-8 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-517-0960?

There are 12 known substitutes for 4820-01-517-0960: 3040-00-153-7662, 5950-00-310-3954, 5935-00-462-1809 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40609-8 PC NO 37?

Key specifications for 40609-8 PC NO 37: Seal Accommodation Type: GROOVED; Style Designator: PLAIN FLANGED; Material: COPPER ALLOY 922 SEAT; Material Document and Classification: ASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE SEAT. 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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