PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71-0002-01Valve,relief,pressure and Temper

Uni-Systems Inc · NSN 4820-01-063-7643 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-063-7643 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-063-7643. Primary manufacturer part number: 71-0002-01.
Features
  • Valve,relief,pressure and Temper — FSC 4820
  • Flow Control Device: ANY ACCEPTABLE
  • 1 verified cross-reference
  • Primary manufacturer: Uni-Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-063-7643, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Uni-Systems Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN4820-01-063-7643
Primary Part Number71-0002-01
Item NameValve,relief,pressure and Temper
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerUni-Systems Inc
StatusACTIVE
Flow Control DeviceANY ACCEPTABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5962-00-232-4994LM748H/883 INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
4920-00-753-0195 INTERCHANGEABLE
Cable Assembly Test
6240-01-111-04761EE2182 INTERCHANGEABLE
Lamp,incandescent
Recortec Inc. Dba Recortec Inc
Cross-Reference Index
Part NumberManufacturer
71-0002-01 Uni-Systems Inc (USA)
Related Parts
5962-00-232-4994INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM748H/883
4920-00-753-0195INTERCHANGEABLE
CABLE ASSEMBLY TEST
6240-01-111-0476INTERCHANGEABLE
LAMP,INCANDESCENT
1EE2182

Frequently Asked Questions

What is NSN 4820-01-063-7643?

NSN 4820-01-063-7643 is a Valve,relief,pressure and Temper, manufactured by Uni-Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-063-7643?

NSN 4820-01-063-7643 has 1 cross-referenced part number: 71-0002-01 (Uni-Systems Inc).

What NSN replaces 4820-01-063-7643?

There are 3 known substitutes for 4820-01-063-7643: 5962-00-232-4994, 4920-00-753-0195, 6240-01-111-0476. Verify interchangeability with system specifications before substitution.

What are the specifications of 71-0002-01?

Key specifications for 71-0002-01: Special Features: VALVE RELIEF; HYDRAULIC SPARE/REPAIR PART FOR LANDING GEAG HYDRAULIC POWER UNIT MODEL 11-0001-01 UNI-SYSTEMS,INC.; Flow Control Device: ANY ACCEPTABLE. 2 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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