PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11010-3Valve,safety Relief

Bahr Machine Company Inc Dba Bahr Machine Co · NSN 4820-00-528-2836 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-528-2836 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-528-2836. Primary manufacturer part number: 11010-3.
Features
  • Valve,safety Relief — FSC 4820
  • Valve Discharge Flow Rate: 7.0 GALLONS PER MINUTE
  • Features Provided: PRESSURE TIGHT OUTLET SIDE
  • Media for Which Designed: HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
  • Operating Pressure: 2100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Thread Series Designator: UNF FIRST END
  • Nominal Thread Size: 0.562 INCHES FIRST END IN
  • Thread Class: 3B FIRST END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-528-2836, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bahr Machine Company Inc Dba Bahr Machine Co. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN4820-00-528-2836
Primary Part Number11010-3
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBahr Machine Company Inc Dba Bahr Machine Co
StatusCANCELLED
Valve Discharge Flow Rate7.0 GALLONS PER MINUTE
Features ProvidedPRESSURE TIGHT OUTLET SIDE
Media for Which DesignedHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
Operating Pressure2100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorUNF FIRST END
Nominal Thread Size0.562 INCHES FIRST END IN
Thread Class3B FIRST END
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Thread Quantity Per Inch8 FIRST END
Flow Control DeviceDISK
Connection TypeTHREADED INTERNAL TUBE FIRST END
Adjustable Pressure Range+1000.0 TO 2100.0 POUNDS PER SQUARE INCH LBS
Style DesignatorSTRAIGHT THRU
MaterialALUMINUM ALLOY BODY
Disk Loading MethodSPRING
Thread DirectionRIGHT-HAND FIRST END
Connection StylePLAIN,OPTIONAL END(PIPE) FIRST END
MaterialSTEEL CORROSION RESISTING SEAT
Supplementary FeaturesAPPL TO C-135/KC-135 ACFT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5840-00-422-2107103000 INTERCHANGEABLE
Panel Control
L3harris Technologies, Inc Div Space & Airborne Systems
6115-00-548-1377PU107U INTERCHANGEABLE
Generator Set,gasoline Engine
Joint Electronics Type Designation System
5365-00-637-3881103000 INTERCHANGEABLE
Shim
Meggitt North Hollywood Inc
3120-00-661-744510300 INTERCHANGEABLE
Bearing,plain,rod End
Cummins Inc.
4720-00-848-1553103000 INTERCHANGEABLE
Hose,preformed
Allianz Sweeper Company
5120-01-068-4337110103 INTERCHANGEABLE
Crimping Block
Lockheed Martin Sippican, Inc. Div Communication Division
5998-01-117-0370 INTERCHANGEABLE
Circuit Card Assembly
6240-01-210-8146110103 INTERCHANGEABLE
Lamp,cartridge
Wascomat of America Div of Bermil Industries Corp
5340-01-284-8243103000 INTERCHANGEABLE
Handle,bail
Thermodyne International, Ltd
5996-01-289-934710-3000 INTERCHANGEABLE
Amplifier,radio Frequency
L3 Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
11010-3 PRIMARY Bahr Machine Company Inc Dba Bahr Machine Co (USA)
10-3000 The Boeing Company Div Defense (USA)
A50081AB61 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
5840-00-422-2107INTERCHANGEABLE
PANEL CONTROL
103000
6115-00-548-1377INTERCHANGEABLE
GENERATOR SET,GASOLINE ENGINE
PU107U
5365-00-637-3881INTERCHANGEABLE
SHIM
103000
3120-00-661-7445INTERCHANGEABLE
BEARING,PLAIN,ROD END
10300
4720-00-848-1553INTERCHANGEABLE
HOSE,PREFORMED
103000
5120-01-068-4337INTERCHANGEABLE
CRIMPING BLOCK
110103
5998-01-117-0370INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6240-01-210-8146INTERCHANGEABLE
LAMP,CARTRIDGE
110103
5340-01-284-8243INTERCHANGEABLE
HANDLE,BAIL
103000
5996-01-289-9347INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
10-3000
3431-01-464-6005INTERCHANGEABLE
WELDING MACHINE,INVERTER
10-3000
4010-01-678-5191INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
110103

Frequently Asked Questions

What is NSN 4820-00-528-2836?

NSN 4820-00-528-2836 is a Valve,safety Relief, manufactured by Bahr Machine Company Inc Dba Bahr Machine Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-528-2836?

NSN 4820-00-528-2836 has 3 cross-referenced part numbers: 11010-3 (Bahr Machine Company Inc Dba Bahr Machine Co), 10-3000 (The Boeing Company Div Defense), A50081AB61 (Hydro-Aire Aerospace Corp).

What NSN replaces 4820-00-528-2836?

There are 12 known substitutes for 4820-00-528-2836: 5840-00-422-2107, 6115-00-548-1377, 5365-00-637-3881 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11010-3?

Key specifications for 11010-3: Valve Discharge Flow Rate: 7.0 GALLONS PER MINUTE; Features Provided: PRESSURE TIGHT OUTLET SIDE; Media for Which Designed: HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE; Operating Pressure: 2100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-528-2836 still in active supply?

NSN 4820-00-528-2836 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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