PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

63131Valve,pressure Equalizing,gaseou

Gh Bettis a Galveston-Houston Co · NSN 4820-01-346-3161 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-346-3161 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-346-3161. Primary manufacturer part number: 63131.
Features
  • Valve,pressure Equalizing,gaseou — FSC 4820
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 1 verified cross-reference
  • Primary manufacturer: Gh Bettis a Galveston-Houston Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-346-3161, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Gh Bettis a Galveston-Houston Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-346-3161
Primary Part Number63131
Item NameValve,pressure Equalizing,gaseou
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGh Bettis a Galveston-Houston Co
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-005-17976313-1 INTERCHANGEABLE
Washer,shouldered
Goodrich Aerospace Canada Ltd
8345-00-407-5263 INTERCHANGEABLE
Flag,national
5342-00-554-0583 INTERCHANGEABLE
Cap,filler Opening
8345-00-901-9079 INTERCHANGEABLE
Flag,national
2930-01-422-191163131 INTERCHANGEABLE
Cooler,lubricating Oil,engine
Blissfield Manufacturing Company
5940-01-493-58419454182-1 INTERCHANGEABLE
Terminal Board
Warner Robins Air Logistics Center
Cross-Reference Index
Part NumberManufacturer
63131 Gh Bettis a Galveston-Houston Co (USA)
Related Parts
5310-00-005-1797INTERCHANGEABLE
WASHER,SHOULDERED
6313-1
8345-00-407-5263INTERCHANGEABLE
FLAG,NATIONAL
5342-00-554-0583INTERCHANGEABLE
CAP,FILLER OPENING
8345-00-901-9079INTERCHANGEABLE
FLAG,NATIONAL
2930-01-422-1911INTERCHANGEABLE
COOLER,LUBRICATING OIL,ENGINE
63131
5940-01-493-5841INTERCHANGEABLE
TERMINAL BOARD
9454182-1

Frequently Asked Questions

What is NSN 4820-01-346-3161?

NSN 4820-01-346-3161 is a Valve,pressure Equalizing,gaseou, manufactured by Gh Bettis a Galveston-Houston Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-346-3161?

NSN 4820-01-346-3161 has 1 cross-referenced part number: 63131 (Gh Bettis a Galveston-Houston Co).

What NSN replaces 4820-01-346-3161?

There are 6 known substitutes for 4820-01-346-3161: 5310-00-005-1797, 8345-00-407-5263, 5342-00-554-0583 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 63131?

Key specifications for 63131: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 2 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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