PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

111135Valve,regulating,system Pressure

Williams Controls Inc · NSN 4820-01-332-1349 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-332-1349 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-332-1349. Primary manufacturer part number: 111135.
Features
  • Valve,regulating,system Pressure — FSC 4820
  • First End Connection Type: THREADED INTERNAL PIPE
  • Flow Control Device: POPPET
  • End Connection Quantity: 2
  • Second End Relationship with First End: IDENTICAL
  • First End Thread Direction: RIGHT-HAND
  • Thread Size and Series/type Designator: 1/4-18 NPTF FIRST END
  • First End Style Designator: PLAIN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-332-1349, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Williams Controls Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-332-1349
Primary Part Number111135
Item NameValve,regulating,system Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliams Controls Inc
StatusACTIVE
First End Connection TypeTHREADED INTERNAL PIPE
Flow Control DevicePOPPET
End Connection Quantity2
Second End Relationship with First EndIDENTICAL
First End Thread DirectionRIGHT-HAND
Thread Size and Series/type Designator1/4-18 NPTF FIRST END
First End Style DesignatorPLAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
9540-00-145-8450 INTERCHANGEABLE
Angle,structural
2825-00-147-5828111135 INTERCHANGEABLE
Shaft Assembly
Northrop Grumman Systems Corporation Div Marine Systems
4320-00-371-0125111135 INTERCHANGEABLE
Pump,axial Pistons
Eaton Aerospace, Llc Dba Jackson South
5315-00-421-938011113-1 INTERCHANGEABLE
Pin,grooved,headless
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4520-01-150-5404 INTERCHANGEABLE
Heating Element,electrical,nonim
Cross-Reference Index
Part NumberManufacturer
111135 Williams Controls Inc (USA)
111131 Williams Controls Inc (USA)
Related Parts
9540-00-145-8450INTERCHANGEABLE
ANGLE,STRUCTURAL
2825-00-147-5828INTERCHANGEABLE
SHAFT ASSEMBLY
111135
4320-00-371-0125INTERCHANGEABLE
PUMP,AXIAL PISTONS
111135
5315-00-421-9380INTERCHANGEABLE
PIN,GROOVED,HEADLESS
11113-1
4520-01-150-5404INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM

Frequently Asked Questions

What is NSN 4820-01-332-1349?

NSN 4820-01-332-1349 is a Valve,regulating,system Pressure, manufactured by Williams Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-332-1349?

NSN 4820-01-332-1349 has 2 cross-referenced part numbers: 111135 (Williams Controls Inc), 111131 (Williams Controls Inc).

What NSN replaces 4820-01-332-1349?

There are 5 known substitutes for 4820-01-332-1349: 9540-00-145-8450, 2825-00-147-5828, 4320-00-371-0125 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 111135?

Key specifications for 111135: First End Connection Type: THREADED INTERNAL PIPE; Flow Control Device: POPPET; End Connection Quantity: 2; Second End Relationship with First End: IDENTICAL. 7 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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