PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A326Valve,pressure Equalizing,gaseou

Ausco Inc · NSN 4820-01-308-2611 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-308-2611 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-308-2611. Primary manufacturer part number: A326.
Features
  • Valve,pressure Equalizing,gaseou — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Ausco Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-308-2611, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ausco Inc. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-308-2611
Primary Part NumberA326
Item NameValve,pressure Equalizing,gaseou
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAusco Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-111-0723 INTERCHANGEABLE
Gasket
2590-00-529-8580 INTERCHANGEABLE
Cap,filler Opening
5315-00-682-1927A3-26 INTERCHANGEABLE
Pin,straight,headless
Roller Bearing Co of America, Inc Div Pic Design
4730-00-764-8770SAE J512 5-5 010101B INTERCHANGEABLE
Nipple,tube
Sae International Dba Sae International
5930-00-954-5864 INTERCHANGEABLE
Switch,push
5915-01-075-5946A326 INTERCHANGEABLE
Filter,radio Frequency Interfere
Ultra Electronics Ice Inc
4710-01-408-0832A326 INTERCHANGEABLE
Tubing,nonmetallic
John G Papailias Co Inc Dba J G Papailias
6545-01-529-2080A326 INTERCHANGEABLE
Jbaids Augmentation,long Shelf L
Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa
Cross-Reference Index
Part NumberManufacturer
70351-08165-105 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
70351-08165-105 Ausco Inc (USA)
70351-08165-105 Royal Malaysian Airforce (MYS)
A326 PRIMARY Ausco Inc (USA)
4820PL2218208 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5330-00-111-0723INTERCHANGEABLE
GASKET
2590-00-529-8580INTERCHANGEABLE
CAP,FILLER OPENING
5315-00-682-1927INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
A3-26
4730-00-764-8770INTERCHANGEABLE
NIPPLE,TUBE
SAE J512 5-5 010101B
5930-00-954-5864INTERCHANGEABLE
SWITCH,PUSH
5915-01-075-5946INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
A326
4710-01-408-0832INTERCHANGEABLE
TUBING,NONMETALLIC
A326
6545-01-529-2080INTERCHANGEABLE
JBAIDS AUGMENTATION,LONG SHELF L
A326

Frequently Asked Questions

What is NSN 4820-01-308-2611?

NSN 4820-01-308-2611 is a Valve,pressure Equalizing,gaseou, manufactured by Ausco Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-308-2611?

NSN 4820-01-308-2611 has 5 cross-referenced part numbers: 70351-08165-105 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 70351-08165-105 (Ausco Inc), 70351-08165-105 (Royal Malaysian Airforce), A326 (Ausco Inc), 4820PL2218208 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 4820-01-308-2611?

There are 8 known substitutes for 4820-01-308-2611: 5330-00-111-0723, 2590-00-529-8580, 5315-00-682-1927 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A326?

Key specifications for A326: Special Features: USED AS A REGULATING VALVE; Part Name Assigned by Controlling Agency: RELIEF VALVE. 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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