PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8740Piston,valve

Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect · NSN 4820-01-275-2507 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-275-2507 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-275-2507. Primary manufacturer part number: 8740.
Features
  • Piston,valve — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-275-2507, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect. This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePiston,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersAir Dry Co of America, Llc (CAGE 01496); Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (CAGE 99447)
Technical Specifications
ParameterValue
NSN4820-01-275-2507
Primary Part Number8740
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5915-00-035-85908740 INTERCHANGEABLE
Filter,radio Frequency Interfere
Champion Aerospace Llc
6145-00-536-7684 INTERCHANGEABLE
Cable,special Purpose,electrical
6145-00-702-51068740 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire and Cable Co Wire and Cable Office
4320-01-034-60088740 INTERCHANGEABLE
Impeller,pump,centrifugal
Air & Liquid Systems Corporation Dba Buffalo Pumps
4820-01-275-74106181-96-1 INTERCHANGEABLE
Valve,angle
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
4820-01-275-91318738 INTERCHANGEABLE
Seat,valve
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
6520-01-567-8616952213 INTERCHANGEABLE
Light Guide,dental Curing
Kerr Corporation
Cross-Reference Index
Part NumberManufacturer
6181-96-1 ITEM 3 Air Dry Co of America, Llc (USA)
6181-96-1 ITEM 3 Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (USA)
6181-96-1 Air Dry Co of America, Llc (USA)
8740 PRIMARY Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (USA)
8740 Air Dry Co of America, Llc (USA)
Related Parts
5915-00-035-8590INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
8740
6145-00-536-7684INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
6145-00-702-5106INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
8740
4320-01-034-6008INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
8740
4820-01-275-7410INTERCHANGEABLE
VALVE,ANGLE
6181-96-1
4820-01-275-9131INTERCHANGEABLE
SEAT,VALVE
8738
6520-01-567-8616INTERCHANGEABLE
LIGHT GUIDE,DENTAL CURING
952213

Frequently Asked Questions

What is NSN 4820-01-275-2507?

NSN 4820-01-275-2507 is a Piston,valve, manufactured by Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-275-2507?

NSN 4820-01-275-2507 has 5 cross-referenced part numbers: 6181-96-1 ITEM 3 (Air Dry Co of America, Llc), 6181-96-1 ITEM 3 (Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect), 6181-96-1 (Air Dry Co of America, Llc), 8740 (Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect), 8740 (Air Dry Co of America, Llc).

What NSN replaces 4820-01-275-2507?

There are 7 known substitutes for 4820-01-275-2507: 5915-00-035-8590, 6145-00-536-7684, 6145-00-702-5106 and 4 more. Verify interchangeability with system specifications before substitution.

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