PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121535Valve,flow Control

Aerco International, Inc. Dba Aerco International Inc · NSN 4820-01-439-8796 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-439-8796 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-439-8796. Primary manufacturer part number: 121535.
Features
  • Valve,flow Control — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Aerco International, Inc. Dba Aerco International Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-01-439-8796, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aerco International, Inc. Dba Aerco International Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-439-8796
Primary Part Number121535
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAerco International, Inc. Dba Aerco International Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-00-597-03155307291 INTERCHANGEABLE
Spring,helical,compression
U S Army Tank Automotive Command Amsta-Im-Mm
4810-00-706-0266121535-1 INTERCHANGEABLE
Valve,butterfly
Meggitt North Hollywood Inc
6540-01-607-1443 INTERCHANGEABLE
Camera,ophthalmic
9999-01-690-3391121535 INTERCHANGEABLE
Cooler,lube
Williams International Co., L.l.c.
Cross-Reference Index
Part NumberManufacturer
121535 PRIMARY Aerco International, Inc. Dba Aerco International Inc (USA)
Related Parts
5360-00-597-0315INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5307291
4810-00-706-0266INTERCHANGEABLE
VALVE,BUTTERFLY
121535-1
6540-01-607-1443INTERCHANGEABLE
CAMERA,OPHTHALMIC
9999-01-690-3391INTERCHANGEABLE
COOLER,LUBE
121535

Frequently Asked Questions

What is NSN 4820-01-439-8796?

NSN 4820-01-439-8796 is a Valve,flow Control, manufactured by Aerco International, Inc. Dba Aerco International Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-439-8796?

NSN 4820-01-439-8796 has 1 cross-referenced part number: 121535 (Aerco International, Inc. Dba Aerco International Inc).

What NSN replaces 4820-01-439-8796?

There are 4 known substitutes for 4820-01-439-8796: 5360-00-597-0315, 4810-00-706-0266, 6540-01-607-1443 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 121535?

Key specifications for 121535: End Item Identification: TYPE CXT-S TEMPERATURE REGULATOR; MARS CLASS AFS. 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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