PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

64521Valve,flow Control

Espey Mfg and Electronics Corp · NSN 4820-01-602-7760 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-602-7760 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-602-7760. Primary manufacturer part number: 64521.
Features
  • Valve,flow Control — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Espey Mfg and Electronics Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-01-602-7760, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Espey Mfg and Electronics Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,flow Control
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersEspey Mfg and Electronics Corp (CAGE 20950)
Technical Specifications
ParameterValue
NSN4820-01-602-7760
Primary Part Number64521
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEspey Mfg and Electronics Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5120-00-212-219664521 INTERCHANGEABLE
Inserter,bearing and Bushing
Textron Lycoming Inc Williamsport Plant
3110-00-865-692306452001 INTERCHANGEABLE
Bearing,ball,annular
Kaydon Corporation Dba Kaydon Corp
2510-01-168-37496904 INTERCHANGEABLE
Shock Absorber,direct Action
Tenneco Inc
Cross-Reference Index
Part NumberManufacturer
64521 PRIMARY Espey Mfg and Electronics Corp (USA)
Related Parts
5120-00-212-2196INTERCHANGEABLE
INSERTER,BEARING AND BUSHING
64521
3110-00-865-6923INTERCHANGEABLE
BEARING,BALL,ANNULAR
06452001
2510-01-168-3749INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
6904

Frequently Asked Questions

What is NSN 4820-01-602-7760?

NSN 4820-01-602-7760 is a Valve,flow Control, manufactured by Espey Mfg and Electronics Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-602-7760?

NSN 4820-01-602-7760 has 1 cross-referenced part number: 64521 (Espey Mfg and Electronics Corp).

What NSN replaces 4820-01-602-7760?

There are 3 known substitutes for 4820-01-602-7760: 5120-00-212-2196, 3110-00-865-6923, 2510-01-168-3749. Verify interchangeability with system specifications before substitution.

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