PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21356Valve,overpressure

Aerosonic Llc · NSN 6610-00-570-0270 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-00-570-0270 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-570-0270. Primary manufacturer part number: 21356.
Features
  • Valve,overpressure — FSC 6610
  • 2 verified cross-references
  • Primary manufacturer: Aerosonic Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,overpressure, cataloged under National Stock Number 6610-00-570-0270, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Aerosonic Llc. This item has 2 commercial cross-references 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.

Catalog Facts
Item NameValve,overpressure
FSC / FSG6610 — No Item Name Available (FSG 66)
ManufacturersAerosonic Llc (CAGE 98810)
Technical Specifications
ParameterValue
NSN6610-00-570-0270
Primary Part Number21356
Item NameValve,overpressure
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
9540-00-145-4513 INTERCHANGEABLE
Angle,structural
3110-00-232-81906009 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3455-00-236-071620094 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5315-01-628-69862135-6 INTERCHANGEABLE
Key,machine
Edro Corporation, the Dba Edro Corp
4730-01-689-5767A-21356 INTERCHANGEABLE
Plug,pipe,magnetic
Power Engineering and Manufacturing, Ltd. Dba Power Engineering & Manufacturing Ltd
Cross-Reference Index
Part NumberManufacturer
21356 PRIMARY Aerosonic Llc (USA)
A21356 Aerosonic Llc (USA)
Related Parts
9540-00-145-4513INTERCHANGEABLE
ANGLE,STRUCTURAL
3110-00-232-8190INTERCHANGEABLE
BEARING,BALL,ANNULAR
6009
3455-00-236-0716INTERCHANGEABLE
REAMER,MACHINE
20094
5315-01-628-6986INTERCHANGEABLE
KEY,MACHINE
2135-6
4730-01-689-5767INTERCHANGEABLE
PLUG,PIPE,MAGNETIC
A-21356

Frequently Asked Questions

What is NSN 6610-00-570-0270?

NSN 6610-00-570-0270 is a Valve,overpressure, manufactured by Aerosonic Llc, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-00-570-0270?

NSN 6610-00-570-0270 has 2 cross-referenced part numbers: 21356 (Aerosonic Llc), A21356 (Aerosonic Llc).

What NSN replaces 6610-00-570-0270?

There are 5 known substitutes for 6610-00-570-0270: 9540-00-145-4513, 3110-00-232-8190, 3455-00-236-0716 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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