PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22550Valve,safety Relief

Giant Products Corp · NSN 4820-01-272-7526 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-272-7526 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-272-7526. Primary manufacturer part number: 22550.
Features
  • Valve,safety Relief — FSC 4820
  • Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END
  • Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
  • Adjustable Pressure Range: +400.0 TO 1200.0 POUNDS PER SQUARE INCH LBS
  • Thread Direction: RIGHT-HAND SECOND END
  • Flow Control Device: BALL
  • Thread Series Designator: NPT SECOND END
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-272-7526, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Giant Products Corp. Government technical data includes 15 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-272-7526
Primary Part Number22550
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGiant Products Corp
StatusACTIVE
Connection StylePLAIN,OPTIONAL END(PIPE) SECOND END
Style DesignatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
Adjustable Pressure Range+400.0 TO 1200.0 POUNDS PER SQUARE INCH LBS
Thread DirectionRIGHT-HAND SECOND END
Flow Control DeviceBALL
Thread Series DesignatorNPT SECOND END
Nominal Thread Size0.250 INCHES FIRST END IN
Connection TypeTHREADED INTERNAL PIPE SECOND END
Thread Series DesignatorNPT FIRST END
Connection StylePLAIN (PIPE) FIRST END
MaterialCOPPER ALLOY BODY
Thread DirectionRIGHT-HAND ALL ENDS
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Nominal Thread Size0.250 INCHES SECOND END IN
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5998-00-083-893530500225-1 INTERCHANGEABLE
Extender Card,electronic Test
Ward Leonard Ct Llc
5133-00-232-2911 INTERCHANGEABLE
Drill,twist
5315-00-263-51977064 INTERCHANGEABLE
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Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
4820-00-600-19218-2944-1 INTERCHANGEABLE
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Parker Hannifin Corporation Div Aerospace Group Headquarters
6150-00-610-2049225-50 INTERCHANGEABLE
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Cooper Wiring Devices Inc.
5950-00-646-3077 INTERCHANGEABLE
Transformer,audio Frequency
5998-01-327-386622550-101 INTERCHANGEABLE
Circuit Card Assembly
Fisica Applied Technologies, Inc. Div Datron Advanced Technologies
3030-01-361-3001R87153 INTERCHANGEABLE
Belt,v
Deere & Company Dba Deere John Co
5330-01-448-334612448074 INTERCHANGEABLE
Seal,plain Encased
U S Army Tank Automotive Command Amsta-Im-Mm
5930-01-549-784222550SRV INTERCHANGEABLE
Switch,push
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
22550 Giant Products Corp (USA)
2250 Giant Products Corp (USA)
Related Parts
5998-00-083-8935INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
30500225-1
5133-00-232-2911INTERCHANGEABLE
DRILL,TWIST
5315-00-263-5197INTERCHANGEABLE
KEY,MACHINE
7064
4820-00-600-1921INTERCHANGEABLE
VALVE,SHUTTLE
8-2944-1
6150-00-610-2049INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
225-50
5950-00-646-3077INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5998-01-327-3866INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
22550-101
3030-01-361-3001INTERCHANGEABLE
BELT,V
R87153
5330-01-448-3346INTERCHANGEABLE
SEAL,PLAIN ENCASED
12448074
5930-01-549-7842INTERCHANGEABLE
SWITCH,PUSH
22550SRV

Frequently Asked Questions

What is NSN 4820-01-272-7526?

NSN 4820-01-272-7526 is a Valve,safety Relief, manufactured by Giant Products Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-272-7526?

NSN 4820-01-272-7526 has 2 cross-referenced part numbers: 22550 (Giant Products Corp), 2250 (Giant Products Corp).

What NSN replaces 4820-01-272-7526?

There are 10 known substitutes for 4820-01-272-7526: 5998-00-083-8935, 5133-00-232-2911, 5315-00-263-5197 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22550?

Key specifications for 22550: Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END; Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.; Adjustable Pressure Range: +400.0 TO 1200.0 POUNDS PER SQUARE INCH LBS; Thread Direction: RIGHT-HAND SECOND END. 15 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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