PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40490-902Valve,regulating,fluid Pressure

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-482-3586 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-482-3586 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-482-3586. Primary manufacturer part number: 40490-902.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Material: NICKEL ALLOY STEM
  • First End Style Designator: SOCKET W/BRAZING RING
  • Outlet Pressure Range: 25.0 TO 60.0 CAMERA MOUNT
  • Filter: NOT INCLUDED
  • Furnished Items: BRAZING RING AND TAILPIECE AND UNION NUT
  • Maximum Inlet Pressure Rating: ERR-060
  • Second End Relationship with First End: IDENTICAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Stem construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-482-3586, 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 19 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-482-3586
Primary Part Number40490-902
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialNICKEL ALLOY STEM
First End Style DesignatorSOCKET W/BRAZING RING
Outlet Pressure Range25.0 TO 60.0 CAMERA MOUNT
FilterNOT INCLUDED
Furnished ItemsBRAZING RING AND TAILPIECE AND UNION NUT
Maximum Inlet Pressure RatingERR-060
Second End Relationship with First EndIDENTICAL
Valve Stem DesignDOUBLE SEAT
Renewable Seat Ring TypeRETAINING RING
End Connection Quantity2
Flow Control DeviceDIAPHRAGM
MaterialNICKEL ALLOY AND COPPER ALLOY SEAT
Media for Which DesignedAIR OR NITROGEN, GASEOUS
Valve Loading MethodSPRING
Regulation TypeAUTOMATIC SINGLE STAGE
Body StyleSTRAIGHT THRU
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
First End Nominal Pipe Size Accommodated1.500 INCHES IN
First End Connection TypeUNTHREADED INTERNAL PIPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-543-4700 INTERCHANGEABLE
Nut,self-Locking,hexagon
2840-00-778-7982404909 INTERCHANGEABLE
Plate,mounting,cooler,coil
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4820-01-340-228640490-9 PART 40490-903 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-725-4774916-00 INTERCHANGEABLE
Body,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-725-502440490-905 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40490-9 ASSY 40490-902 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40490-9 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40490-902 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5310-00-543-4700INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
2840-00-778-7982INTERCHANGEABLE
PLATE,MOUNTING,COOLER,COIL
404909
4820-01-340-2286INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40490-9 PART 40490-903
4820-01-725-4774INTERCHANGEABLE
BODY,VALVE
916-00
4820-01-725-5024INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40490-905

Frequently Asked Questions

What is NSN 4820-01-482-3586?

NSN 4820-01-482-3586 is a Valve,regulating,fluid Pressure, 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 4820-01-482-3586?

NSN 4820-01-482-3586 has 3 cross-referenced part numbers: 40490-9 ASSY 40490-902 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40490-9 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40490-902 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-482-3586?

There are 5 known substitutes for 4820-01-482-3586: 5310-00-543-4700, 2840-00-778-7982, 4820-01-340-2286 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40490-902?

Key specifications for 40490-902: Material: NICKEL ALLOY STEM; First End Style Designator: SOCKET W/BRAZING RING; Outlet Pressure Range: 25.0 TO 60.0 CAMERA MOUNT; Special Features: MEETS HIGH SHOCK REQUIREMENTS OF MIL-S-9010 FOR LIGH WEIGHT, GRADE A EQUIPMENT: CLASS I MOUNTING FIXTURE 4A, AERO-NAV LABORATORIES REPORT 3-6344 DATED J25 JULY 1983, POST SHOCK TEST DATED 1 AUGUST 1983. APPROVED BY SUPSHIPS NEWPORT NEW, VA LETTER CVN 58 COH/CVN 71/9505 (9480-0) SER 263B-2911 DATED 25 OCTOBER 198X, EXTENSION BATH IRON WORKS, LETTER WP 0398X 45-VFL/0544/DFC:LAR DATED 26 OCTOBER 1989. MEETS REQUIREMENTS FOR TYPE I VIBRTION PER MIL-STD 147, AERO-NAV LABORATORIES REPORT 4-8687-2 DATED 17 APRIL 1984 ND POST EST REPORT DATE 19 APRIL 1994. APPROVED BY SUPSHIPS, STURGEON BAY, WI LETTER N00024-82-C-2121/073, 260: JER: KML SER 2729 DATED 16 MAY 1985. EXTENSION BATH IRON WORKS LETTER WP0398X 45/VFI/0544/DFC: LER DATED 26 OCTOBER 1986 A. 21 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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