PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31638CRDM 3/8INValve,regulating,fluid Pressure

Griswold Industries Dba Cla-Val Co · NSN 4820-01-319-5439 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-319-5439 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-319-5439. Primary manufacturer part number: 31638CRDM 3/8IN.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Material: NICKEL ALLOY STEM
  • Valve Loading Method: SPRING
  • Outlet Pressure Range: 10.0 TO 100.0 CAMERA MOUNT
  • Material: NICKEL ALLOY AND COPPER ALLOY SEAT
  • 5 verified cross-references
  • Primary manufacturer: Griswold Industries Dba Cla-Val Co
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 4820-01-319-5439, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-319-5439
Primary Part Number31638CRDM 3/8IN
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
MaterialNICKEL ALLOY STEM
Valve Loading MethodSPRING
Outlet Pressure Range10.0 TO 100.0 CAMERA MOUNT
MaterialNICKEL ALLOY AND COPPER ALLOY SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5305-00-010-0767100767 INTERCHANGEABLE
Screw,machine
General Motors Llc Dba General Motors Llc
5130-00-605-391480-050 RUPES USA INC INTERCHANGEABLE
Sander-Polisher,translatory Acti
General Services Administration Federal Supply Service
5945-00-835-3040 INTERCHANGEABLE
Solenoid,electrical
5305-01-148-0221 INTERCHANGEABLE
Screw,machine
4820-01-201-814580043-D INTERCHANGEABLE
Valve,regulating,fluid Pressure
Griswold Industries Dba Cla-Val Co
6630-01-308-2393 INTERCHANGEABLE
Gasket,valve Plunge
5998-01-408-6014 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
31638 CRDM 3 1- Griswold Industries Dba Cla-Val Co (USA)
80040 FIND 2 3 1-2IN Griswold Industries Dba Cla-Val Co (USA)
80040 Griswold Industries Dba Cla-Val Co (USA)
31638 CROM 3 1-2IN Griswold Industries Dba Cla-Val Co (USA)
31638CRDM 3/8IN PRIMARY Griswold Industries Dba Cla-Val Co (USA)
Related Parts
5305-00-010-0767INTERCHANGEABLE
SCREW,MACHINE
100767
5130-00-605-3914INTERCHANGEABLE
SANDER-POLISHER,TRANSLATORY ACTI
80-050 RUPES USA INC
5945-00-835-3040INTERCHANGEABLE
SOLENOID,ELECTRICAL
5305-01-148-0221INTERCHANGEABLE
SCREW,MACHINE
4820-01-201-8145INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
80043-D
6630-01-308-2393INTERCHANGEABLE
GASKET,VALVE PLUNGE
5998-01-408-6014INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 4820-01-319-5439?

NSN 4820-01-319-5439 is a Valve,regulating,fluid Pressure, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-319-5439?

NSN 4820-01-319-5439 has 5 cross-referenced part numbers: 31638 CRDM 3 1- (Griswold Industries Dba Cla-Val Co), 80040 FIND 2 3 1-2IN (Griswold Industries Dba Cla-Val Co), 80040 (Griswold Industries Dba Cla-Val Co), 31638 CROM 3 1-2IN (Griswold Industries Dba Cla-Val Co), 31638CRDM 3/8IN (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-319-5439?

There are 7 known substitutes for 4820-01-319-5439: 5305-00-010-0767, 5130-00-605-3914, 5945-00-835-3040 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31638CRDM 3/8IN?

Key specifications for 31638CRDM 3/8IN: Material: NICKEL ALLOY STEM; Valve Loading Method: SPRING; Special Features: VALVE SIZE 0.375 IN. IN; Outlet Pressure Range: 10.0 TO 100.0 CAMERA MOUNT. 5 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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