PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11010-2MSValve,safety Relief

Bahr Machine Company Inc Dba Bahr Machine Co · NSN 4820-01-574-0985 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-574-0985 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-574-0985. Primary manufacturer part number: 11010-2MS.
Features
  • Valve,safety Relief — FSC 4820
  • Media for Which Designed: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
  • Adjustable Pressure Range: +2100.0 TO 3600.0 POUNDS PER SQUARE INCH LBS
  • Minimum Operating Temp: -65.0 FAHRENHEIT DEGF
  • Maximum Operating Temp: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Valve Discharge Flow Rate: 32.0 GALLONS PER MINUTE
  • 2 verified cross-references
  • Primary manufacturer: Bahr Machine Company Inc Dba Bahr Machine Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-574-0985, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN4820-01-574-0985
Primary Part Number11010-2MS
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBahr Machine Company Inc Dba Bahr Machine Co
StatusACTIVE
Media for Which DesignedHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
Adjustable Pressure Range+2100.0 TO 3600.0 POUNDS PER SQUARE INCH LBS
Minimum Operating Temp-65.0 FAHRENHEIT DEGF
Maximum Operating Temp275.0 FAHRENHEIT SINGLE RESPONSE DEGF
Valve Discharge Flow Rate32.0 GALLONS PER MINUTE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4320-00-045-757616019 INTERCHANGEABLE
Impeller,pump,centrifugal
Regal-Beloit Corporation Dba Fasco Group Div Cassville Division
6160-01-008-799716019 INTERCHANGEABLE
Parts Kit,battery
Saft America Inc. Dba Tadiran Batteries Div Aviation Division
5950-01-090-627616019 INTERCHANGEABLE
Transformer,power
Astronautics Corporation of America
3120-01-242-0981701-16019 INTERCHANGEABLE
Roller,linear-Rotary Motion
Highland Engineering, Inc.
5920-01-664-352816019 INTERCHANGEABLE
Fuse,cartridge
Mersen Usa Ep Corp. Dba Ferraz Shawmut
Cross-Reference Index
Part NumberManufacturer
16-019 Hydro-Aire Aerospace Corp (USA)
11010-2MS PRIMARY Bahr Machine Company Inc Dba Bahr Machine Co (USA)
Related Parts
4320-00-045-7576INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
16019
6160-01-008-7997INTERCHANGEABLE
PARTS KIT,BATTERY
16019
5950-01-090-6276INTERCHANGEABLE
TRANSFORMER,POWER
16019
3120-01-242-0981INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
701-16019
5920-01-664-3528INTERCHANGEABLE
FUSE,CARTRIDGE
16019

Frequently Asked Questions

What is NSN 4820-01-574-0985?

NSN 4820-01-574-0985 is a Valve,safety Relief, manufactured by Bahr Machine Company Inc Dba Bahr Machine Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-574-0985?

NSN 4820-01-574-0985 has 2 cross-referenced part numbers: 16-019 (Hydro-Aire Aerospace Corp), 11010-2MS (Bahr Machine Company Inc Dba Bahr Machine Co).

What NSN replaces 4820-01-574-0985?

There are 5 known substitutes for 4820-01-574-0985: 4320-00-045-7576, 6160-01-008-7997, 5950-01-090-6276 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11010-2MS?

Key specifications for 11010-2MS: Media for Which Designed: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE; Adjustable Pressure Range: +2100.0 TO 3600.0 POUNDS PER SQUARE INCH LBS; Minimum Operating Temp: -65.0 FAHRENHEIT DEGF; Maximum Operating Temp: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF. 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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