PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A2131Ring Assembly,purgi

Stewart-Thomas Industries Inc · NSN 1730-01-079-2071 · FSC 1730 · No Item Name Available
Verified by PartsTable
NSN 1730-01-079-2071 — this item is cataloged by the U.S. Government under National Stock Number 1730-01-079-2071. Primary manufacturer part number: A2131.
Features
  • Ring Assembly,purgi — FSC 1730
  • General Characteristics Item Description: INCLUDES 1 BODY-RING P/N A2160; 3LOCKING PINS P/N A2138
  • 1 verified cross-reference
  • Primary manufacturer: Stewart-Thomas Industries Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring Assembly,purgi, cataloged under National Stock Number 1730-01-079-2071, is classified within Federal Supply Class 1730 (No Item Name Available) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The primary manufacturer of record is Stewart-Thomas Industries Inc. Government technical data includes 1 verified specification, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1730-01-079-2071
Primary Part NumberA2131
Item NameRing Assembly,purgi
FSC / FSG1730 / 17 — No Item Name Available
ManufacturerStewart-Thomas Industries Inc
StatusACTIVE
General Characteristics Item DescriptionINCLUDES 1 BODY-RING P/N A2160; 3LOCKING PINS P/N A2138
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5325-00-221-27700151-2 INTERCHANGEABLE
Eyelet,metallic
Lockheed Martin Corporation Div Rms - Mitchel Field
5330-00-706-5399 INTERCHANGEABLE
Gasket
4730-01-113-187099133147 INTERCHANGEABLE
Strainer,sediment
Alfa Laval Inc
5340-01-147-800599132722 INTERCHANGEABLE
Plunger,detent
Alfa Laval Inc
4820-01-151-379999117235 INTERCHANGEABLE
Valve,priming
Alfa Laval Inc
Cross-Reference Index
Part NumberManufacturer
A2131 Stewart-Thomas Industries Inc (USA)
Related Parts
5325-00-221-2770INTERCHANGEABLE
EYELET,METALLIC
0151-2
5330-00-706-5399INTERCHANGEABLE
GASKET
4730-01-113-1870INTERCHANGEABLE
STRAINER,SEDIMENT
99133147
5340-01-147-8005INTERCHANGEABLE
PLUNGER,DETENT
99132722
4820-01-151-3799INTERCHANGEABLE
VALVE,PRIMING
99117235

Frequently Asked Questions

What is NSN 1730-01-079-2071?

NSN 1730-01-079-2071 is a Ring Assembly,purgi, manufactured by Stewart-Thomas Industries Inc, classified under FSC 1730 (No Item Name Available). Status: active.

What are the part numbers for NSN 1730-01-079-2071?

NSN 1730-01-079-2071 has 1 cross-referenced part number: A2131 (Stewart-Thomas Industries Inc).

What NSN replaces 1730-01-079-2071?

There are 5 known substitutes for 1730-01-079-2071: 5325-00-221-2770, 5330-00-706-5399, 4730-01-113-1870 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A2131?

Key specifications for A2131: End Item Identification: LOX PURGING KIT; 1730000657056; General Characteristics Item Description: INCLUDES 1 BODY-RING P/N A2160; 3LOCKING PINS P/N A2138. 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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