PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA11248Valve,relief,pressure and Temper

Eaton Aerospace, Llc Dba Jackson South · NSN 4820-00-540-4106 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-540-4106 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-540-4106. Primary manufacturer part number: AA11248.
Features
  • Valve,relief,pressure and Temper — FSC 4820
  • First End Style Designator: GASKET SEAL
  • Flow Control Device: PISTON, SPRING LOADED
  • Offset Distance: 0.375 INCHES NOMINAL IN
  • Second End Relationship with First End: IDENTICAL
  • Third End Relationship with Preceding Ends: IDENTICAL WITH FIRST END
  • Adjustable Pressure Range: 1000.0 TO 2300.0 CAMERA MOUNT
  • Material: ALUMINUM ALLOY AND COPPER ALLOY BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy and Copper Alloy Body construction
General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-00-540-4106, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN4820-00-540-4106
Primary Part NumberAA11248
Item NameValve,relief,pressure and Temper
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusCANCELLED
First End Style DesignatorGASKET SEAL
Flow Control DevicePISTON, SPRING LOADED
Offset Distance0.375 INCHES NOMINAL IN
Second End Relationship with First EndIDENTICAL
Third End Relationship with Preceding EndsIDENTICAL WITH FIRST END
Adjustable Pressure Range1000.0 TO 2300.0 CAMERA MOUNT
MaterialALUMINUM ALLOY AND COPPER ALLOY BODY
End Connection Quantity4
Valve Discharge Flow Rate6.0 GALLONS PER MINUTE
First End Thread Series DesignatorUNF
First End Thread Class3B
Fourth End Relationship with Preceding EndsIDENTICAL WITH FIRST END
Temp AdjustabilityNOT ADJUSTABLE
Temp Control Device TypeTHERMOSTATIC
First End Connection TypeTHREADED INTERNAL BOSS
First End Nominal Thread Size0.750 INCHES IN
First End Thread DirectionRIGHT-HAND
Temp Rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
Opening Pressure SettingERR-060
Body StyleSTRAIGHT THRU W/ OFFSET GIVE "ADQL" ONLY WHEN BOTH ENDS FLANGED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5998-00-053-418011800 INTERCHANGEABLE
Electronic Components Assembly
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
5950-00-135-077810482 INTERCHANGEABLE
Reactor
Torotel, Inc. Div Torotel Products, Inc.
5330-00-154-090311800 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5330-00-154-099663-2176 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5110-00-233-77495110-00-233-7749 INTERCHANGEABLE
File,hand
General Services Administration Federal Supply Service
3455-00-243-217811800 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
5805-00-253-7631118-00 INTERCHANGEABLE
Key,telegraph
Entron Industries Limited Partnership Dba Entron Industries Property Div
5985-00-586-702311800 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Dow-Key Microwave Llc
4320-00-595-2078956858PH INTERCHANGEABLE
Cover,housing
Curtiss-Wright Electro-Mechanical Corporation Div Epd
3120-00-618-1285AFB2722E INTERCHANGEABLE
Bearing,washer,thrust
Fairbanks Morse, Llc
Cross-Reference Index
Part NumberManufacturer
AA11248 Eaton Aerospace, Llc Dba Jackson South (USA)
AN6200-8AB Aeronautical Standards Group Dept of Navy and Air Force (USA)
11800 Hydro-Aire Aerospace Corp (USA)
1048A2 Hydro Silica Corp (USA)
1048-2 Hydro-Aire Aerospace Corp (USA)
Related Parts
5998-00-053-4180INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
11800
5950-00-135-0778INTERCHANGEABLE
REACTOR
10482
5330-00-154-0903INTERCHANGEABLE
SEAL,PLAIN ENCASED
11800
5330-00-154-0996INTERCHANGEABLE
SEAL,PLAIN ENCASED
63-2176
5110-00-233-7749INTERCHANGEABLE
FILE,HAND
5110-00-233-7749
3455-00-243-2178INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11800
5805-00-253-7631INTERCHANGEABLE
KEY,TELEGRAPH
118-00
5985-00-586-7023INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
11800
4320-00-595-2078INTERCHANGEABLE
COVER,HOUSING
956858PH
3120-00-618-1285INTERCHANGEABLE
BEARING,WASHER,THRUST
AFB2722E
5330-00-641-4112INTERCHANGEABLE
SEAL,PLAIN ENCASED
10482
5310-00-658-8871INTERCHANGEABLE
WASHER,SHOULDERED AND RECESSED

Frequently Asked Questions

What is NSN 4820-00-540-4106?

NSN 4820-00-540-4106 is a Valve,relief,pressure and Temper, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-540-4106?

NSN 4820-00-540-4106 has 5 cross-referenced part numbers: AA11248 (Eaton Aerospace, Llc Dba Jackson South), AN6200-8AB (Aeronautical Standards Group Dept of Navy and Air Force), 11800 (Hydro-Aire Aerospace Corp), 1048A2 (Hydro Silica Corp), 1048-2 (Hydro-Aire Aerospace Corp).

What NSN replaces 4820-00-540-4106?

There are 12 known substitutes for 4820-00-540-4106: 5998-00-053-4180, 5950-00-135-0778, 5330-00-154-0903 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA11248?

Key specifications for AA11248: First End Style Designator: GASKET SEAL; Flow Control Device: PISTON, SPRING LOADED; Offset Distance: 0.375 INCHES NOMINAL IN; Second End Relationship with First End: IDENTICAL. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-540-4106 still in active supply?

NSN 4820-00-540-4106 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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