PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27129Valve,stop-Check

Allied Systems Company Dba Allied Systems Co · NSN 4820-01-392-2428 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-392-2428 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-392-2428. Primary manufacturer part number: 27129.
Features
  • Valve,stop-Check — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Allied Systems Company Dba Allied Systems Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,stop-Check, cataloged under National Stock Number 4820-01-392-2428, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Allied Systems Company Dba Allied Systems Co. This item has 1 commercial cross-reference 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
NSN4820-01-392-2428
Primary Part Number27129
Item NameValve,stop-Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAllied Systems Company Dba Allied Systems Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-870-6983 INTERCHANGEABLE
Gasket
3020-01-188-861727129 INTERCHANGEABLE
Gear,drive Motion
Moog Inc. Dba Ampac-Isp Corp
4330-01-196-823227129 INTERCHANGEABLE
Filter,air,waveguide
Pall Aeropower Corporation
6110-01-500-5830IC5181C106A6XACX INTERCHANGEABLE
Contactor,magnetic
Ward Leonard Ct Llc
3040-01-503-408927129 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Climax Portable Machine Tools, Inc
5950-01-515-643227129 REV B PC NO 9 INTERCHANGEABLE
Transformer,power
Ward Leonard Ct Llc
5950-01-515-643427129 REV B PC NO 10 INTERCHANGEABLE
Transformer,power
Ward Leonard Ct Llc
Cross-Reference Index
Part NumberManufacturer
27129 PRIMARY Allied Systems Company Dba Allied Systems Co (USA)
Related Parts
5330-00-870-6983INTERCHANGEABLE
GASKET
3020-01-188-8617INTERCHANGEABLE
GEAR,DRIVE MOTION
27129
4330-01-196-8232INTERCHANGEABLE
FILTER,AIR,WAVEGUIDE
27129
6110-01-500-5830INTERCHANGEABLE
CONTACTOR,MAGNETIC
IC5181C106A6XACX
3040-01-503-4089INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
27129
5950-01-515-6432INTERCHANGEABLE
TRANSFORMER,POWER
27129 REV B PC NO 9
5950-01-515-6434INTERCHANGEABLE
TRANSFORMER,POWER
27129 REV B PC NO 10

Frequently Asked Questions

What is NSN 4820-01-392-2428?

NSN 4820-01-392-2428 is a Valve,stop-Check, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-392-2428?

NSN 4820-01-392-2428 has 1 cross-referenced part number: 27129 (Allied Systems Company Dba Allied Systems Co).

What NSN replaces 4820-01-392-2428?

There are 7 known substitutes for 4820-01-392-2428: 5330-00-870-6983, 3020-01-188-8617, 4330-01-196-8232 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27129?

Key specifications for 27129: Special Features: CARTRIDGE STYLE. 1 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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