PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2538Cap,valve

Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division · NSN 4820-00-812-7326 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-812-7326 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-812-7326. Primary manufacturer part number: 2538.
Features
  • Cap,valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cap,valve, cataloged under National Stock Number 4820-00-812-7326, 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 Pneutronics Div Hydraulic Valve Division. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-812-7326
Primary Part Number2538
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5975-00-141-0541867 INTERCHANGEABLE
Cover,junction Box
Raco, a Division of Hubbell Incorporated(delaware)
5307-00-155-228025-38 INTERCHANGEABLE
Stud,plain
Textron Lycoming Inc Williamsport Plant
5325-00-276-42657428210-219 INTERCHANGEABLE
Grommet,nonmetallic
Westinghouse Electric Corp
5120-00-288-8703 INTERCHANGEABLE
Wrench,open End
2010-00-300-4543800768C INTERCHANGEABLE
Oil Seal
Rexnord Industries Llc
2520-00-311-160641053V INTERCHANGEABLE
Retainer,main Trasf
Navistar Intl Corp Truck Br Ohio Plant
2520-00-383-963541084V INTERCHANGEABLE
Retainer,spring
Navistar Intl Corp Truck Br Ohio Plant
5930-00-608-3153D11761G1 INTERCHANGEABLE
Thermostat,control
Dcm Manufacturing, Inc.
2990-00-611-56152538 INTERCHANGEABLE
Muffler,exhaust
C V C Enterprises
5970-00-873-65622538 INTERCHANGEABLE
Insulator,bushing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
Cross-Reference Index
Part NumberManufacturer
2538 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
2538 Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (USA)
Related Parts
5975-00-141-0541INTERCHANGEABLE
COVER,JUNCTION BOX
867
5307-00-155-2280INTERCHANGEABLE
STUD,PLAIN
25-38
5325-00-276-4265INTERCHANGEABLE
GROMMET,NONMETALLIC
7428210-219
5120-00-288-8703INTERCHANGEABLE
WRENCH,OPEN END
2010-00-300-4543INTERCHANGEABLE
OIL SEAL
800768C
2520-00-311-1606INTERCHANGEABLE
RETAINER,MAIN TRASF
41053V
2520-00-383-9635INTERCHANGEABLE
RETAINER,SPRING
41084V
5930-00-608-3153INTERCHANGEABLE
THERMOSTAT,CONTROL
D11761G1
2990-00-611-5615INTERCHANGEABLE
MUFFLER,EXHAUST
2538
5970-00-873-6562INTERCHANGEABLE
INSULATOR,BUSHING
2538
1660-00-910-2904INTERCHANGEABLE
SHAFT,ACTUATOR
2538
5935-00-946-2281INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SMB421356

Frequently Asked Questions

What is NSN 4820-00-812-7326?

NSN 4820-00-812-7326 is a Cap,valve, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-812-7326?

NSN 4820-00-812-7326 has 2 cross-referenced part numbers: 2538 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 2538 (Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division).

What NSN replaces 4820-00-812-7326?

There are 12 known substitutes for 4820-00-812-7326: 5975-00-141-0541, 5307-00-155-2280, 5325-00-276-4265 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2538?

Key specifications for 2538: Overall Length: 0.938 INCHES NOMINAL IN. 1 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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