PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

314500-7Valve,safety Relief

Hydro-Aire Aerospace Corp · NSN 4820-00-808-5036 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-808-5036 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-808-5036. Primary manufacturer part number: 314500-7.
Features
  • Valve,safety Relief — FSC 4820
  • Nominal Thread Size: 1.062 INCHES FIRST END IN
  • Disk Loading Method: SPRING
  • Valve Discharge Flow Rate: 20.0 GALLONS PER MINUTE
  • Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE SEAT
  • Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Thread Direction: RIGHT-HAND FIRST END
  • Bonnet Type: INSIDE SCREW
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy 2024 Seat construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-808-5036, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-808-5036
Primary Part Number314500-7
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
Nominal Thread Size1.062 INCHES FIRST END IN
Disk Loading MethodSPRING
Valve Discharge Flow Rate20.0 GALLONS PER MINUTE
Material Document and ClassificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE SEAT
Material Document and ClassificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
Thread DirectionRIGHT-HAND FIRST END
Bonnet TypeINSIDE SCREW
MaterialALUMINUM ALLOY 2024 SEAT
Adjustable Pressure Range+26.0 TO 35.0 POUNDS PER SQUARE INCH LBS
Valve Operation MethodAUTOMATIC
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorUNIFIED NATIONAL JOINT (UNJ) FIRST END
Style DesignatorSTRAIGHT THRU
MaterialALUMINUM ALLOY 2024 STEM
Connection TypeTHREADED INTERNAL BOSS FIRST END
Thread Class3B FIRST END
Test Data Document00502-314500 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Surface TreatmentANODIZE LOCATION NOT OTHERWISE SPECIFIED
MaterialALUMINUM ALLOY 2024 BODY
Opening Pressure Setting3000.0 POUNDS PER SQUARE INCH LBS
Features ProvidedVALVE STEM LOCK SHIELD AND BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE
Material Document and ClassificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE STEM
Bonnet Attachment MethodINTEGRAL
Flow Control DevicePOPPET
Thread Quantity Per Inch12 FIRST END
Media for Which DesignedHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
Connection StyleGASKET SEAL(BOSS) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5930-00-472-2349V4-14 INTERCHANGEABLE
Switch,sensitive
Honeywell International Inc. Dba Honeyweel Sensing & Controls
5950-00-943-9475 INTERCHANGEABLE
Transformer,power
5330-01-196-244891007 INTERCHANGEABLE
Seal,plain
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
6515-01-520-860791007 INTERCHANGEABLE
Probe,gi Therapeutic Endoscopy
Coopersurgical Inc Dba Coopersurgical Products
Cross-Reference Index
Part NumberManufacturer
314500-4M Hydro-Aire Aerospace Corp (USA)
9100-7 Bahr Machine Company Inc Dba Bahr Machine Co (USA)
10-20153-1 Bahr Machine Company Inc Dba Bahr Machine Co (USA)
314500-7 PRIMARY Hydro-Aire Aerospace Corp (USA)
10-20153-1 The Boeing Company Div Defense (USA)
Related Parts
5930-00-472-2349INTERCHANGEABLE
SWITCH,SENSITIVE
V4-14
5950-00-943-9475INTERCHANGEABLE
TRANSFORMER,POWER
5330-01-196-2448INTERCHANGEABLE
SEAL,PLAIN
91007
6515-01-520-8607INTERCHANGEABLE
PROBE,GI THERAPEUTIC ENDOSCOPY
91007

Frequently Asked Questions

What is NSN 4820-00-808-5036?

NSN 4820-00-808-5036 is a Valve,safety Relief, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-808-5036?

NSN 4820-00-808-5036 has 5 cross-referenced part numbers: 314500-4M (Hydro-Aire Aerospace Corp), 9100-7 (Bahr Machine Company Inc Dba Bahr Machine Co), 10-20153-1 (Bahr Machine Company Inc Dba Bahr Machine Co), 314500-7 (Hydro-Aire Aerospace Corp), 10-20153-1 (The Boeing Company Div Defense).

What NSN replaces 4820-00-808-5036?

There are 4 known substitutes for 4820-00-808-5036: 5930-00-472-2349, 5950-00-943-9475, 5330-01-196-2448 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 314500-7?

Key specifications for 314500-7: Nominal Thread Size: 1.062 INCHES FIRST END IN; Disk Loading Method: SPRING; Valve Discharge Flow Rate: 20.0 GALLONS PER MINUTE; Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE SEAT. 27 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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