PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A8A-7/8Valve,regulating,fluid Pressure

Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division · NSN 4820-01-111-8371 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-111-8371 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-111-8371. Primary manufacturer part number: A8A-7/8.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Valve Loading Method: SPRING
  • Maximum Inlet Pressure Rating: ERR-060
  • 13 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-111-8371, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-111-8371
Primary Part NumberA8A-7/8
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
StatusCANCELLED
Valve Loading MethodSPRING
Maximum Inlet Pressure RatingERR-060
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-163-8639N8142E-6HS2R INTERCHANGEABLE
Valve,rotary,selector
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5342-00-200-7586 INTERCHANGEABLE
Mount,resilient,weapon System
5961-00-435-9830 INTERCHANGEABLE
Semiconductor Device,diode
5905-00-458-9500 INTERCHANGEABLE
Resistor,fixed,composition
1270-00-606-6543101711 INTERCHANGEABLE
Arm and Block Assem
Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions
3130-00-849-0554 INTERCHANGEABLE
Ring Bearing
5950-01-022-20911219-100 INTERCHANGEABLE
Transformer,power
Bae Systems Information and Electronic Systems Integration Inc.
5950-01-204-615104222 INTERCHANGEABLE
Reactor
Magnetika Inc
5310-01-260-649210171-1 INTERCHANGEABLE
Nut,self-Locking,hexagon
Hexco International Dba Acd
5980-01-267-7901 INTERCHANGEABLE
Light Emitting Diode
Cross-Reference Index
Part NumberManufacturer
A8A-7/8 PRIMARY Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
435 Emerson Electric Co Alco Controls Div (USA)
24-602-07 Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
A7A-7/80DS RANGEAD Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
A8A 7/80DS Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
P5708779AD General Electric Co Switchgear and Control Division of Apparatus Group (USA)
435-ORIT-6 C & D Equipment Company, Inc. (USA)
A8A Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
101711 Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
ACC298-13 Chrysler Corp Dayton Plant 1 (USA)
24-602-05/1 Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
22-1729P Johnson Controls Navy Systems, Llc (USA)
F252B Emerson Electric Co Alco Controls Div (USA)
Related Parts
4820-00-163-8639INTERCHANGEABLE
VALVE,ROTARY,SELECTOR
N8142E-6HS2R
5342-00-200-7586INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
5961-00-435-9830INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5905-00-458-9500INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
1270-00-606-6543INTERCHANGEABLE
ARM AND BLOCK ASSEM
101711
3130-00-849-0554INTERCHANGEABLE
RING BEARING
5950-01-022-2091INTERCHANGEABLE
TRANSFORMER,POWER
1219-100
5950-01-204-6151INTERCHANGEABLE
REACTOR
04222
5310-01-260-6492INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
10171-1
5980-01-267-7901INTERCHANGEABLE
LIGHT EMITTING DIODE
5895-01-547-7218INTERCHANGEABLE
COMPUTER SUBASSEMBLY
101711
5330-01-730-5584INTERCHANGEABLE
RETAINER,SEAL

Frequently Asked Questions

What is NSN 4820-01-111-8371?

NSN 4820-01-111-8371 is a Valve,regulating,fluid Pressure, manufactured by Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-111-8371?

NSN 4820-01-111-8371 has 13 cross-referenced part numbers: A8A-7/8 (Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division), 435 (Emerson Electric Co Alco Controls Div), 24-602-07 (Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division), A7A-7/80DS RANGEAD (Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division), A8A 7/80DS (Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division) and 8 more.

What NSN replaces 4820-01-111-8371?

There are 12 known substitutes for 4820-01-111-8371: 4820-00-163-8639, 5342-00-200-7586, 5961-00-435-9830 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A8A-7/8?

Key specifications for A8A-7/8: Valve Loading Method: SPRING; Maximum Inlet Pressure Rating: ERR-060. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-111-8371 still in active supply?

NSN 4820-01-111-8371 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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