PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PF-8050Valve,check

Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash · NSN 4820-00-268-8780 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-268-8780 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-268-8780. Primary manufacturer part number: PF-8050.
Features
  • Valve,check — FSC 4820
  • Mounting Position: HORIZONTAL
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Flow Control Device: DISK
  • Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS
  • Nominal Thread Size: 1.500 INCHES ALL ENDS IN
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-268-8780, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-268-8780
Primary Part NumberPF-8050
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash
StatusCANCELLED
Mounting PositionHORIZONTAL
Thread DirectionRIGHT-HAND ALL ENDS
Maximum Operating Temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
Flow Control DeviceDISK
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
Nominal Thread Size1.500 INCHES ALL ENDS IN
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Nondefinitive Spec/std Data4 TYPE AND 150 CLASS
Media for Which DesignedSTEAM FIRST RESPONSE
Thread Series DesignatorNPT ALL ENDS
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Style DesignatorSTRAIGHT THRU
MaterialCOPPER ALLOY OVERALL
Valve Operation MethodAUTOMATIC
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4730-00-202-71972000102767 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Met-Pro Corporation
4820-00-287-3097B-319 SZ 1 1/4 IN INTERCHANGEABLE
Valve,check
Stockham Valves and Fittings Inc
4820-00-287-309806002 INTERCHANGEABLE
Valve,check
Fairbanks Co the
4820-00-287-3114MSS SP80 TYP3,CL 125,SZ 1 IN INTERCHANGEABLE
Valve,check
Manufacturers Standardization Society of the Valve and Fittings Industry Inc
4820-00-287-4234578-2.5 INTERCHANGEABLE
Valve,check
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-00-288-6678514-001-3/4IN INTERCHANGEABLE
Valve,check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
6625-00-340-926892A INTERCHANGEABLE
Voltmeter
Boonton Electronics Corporation Div Boonton Electronics
4330-01-211-949892-812A INTERCHANGEABLE
Filter,fluid
Parker Hannifin Corp
Cross-Reference Index
Part NumberManufacturer
PF-8050 Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA)
92A Jenkins Bros (USA)
940-07705-000 Aqua-Chem, Inc. (USA)
92-A 1 1/2IN NPT Jenkins Bros (USA)
940-7705 Aqua-Chem, Inc. (USA)
FIG 352 SIZE 1 1/2 IN Jenkins Bros (USA)
352-1 1-2INSPCL Jenkins Bros (USA)
WWV51 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MSS SP-80 Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
FIG 92-A Jenkins Bros (USA)
92A-1-1/2IN Jenkins Bros (USA)
Related Parts
4730-00-202-7197INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
2000102767
4820-00-287-3097INTERCHANGEABLE
VALVE,CHECK
B-319 SZ 1 1/4 IN
4820-00-287-3098INTERCHANGEABLE
VALVE,CHECK
06002
4820-00-287-3114INTERCHANGEABLE
VALVE,CHECK
MSS SP80 TYP3,CL 125,SZ 1 IN
4820-00-287-4234INTERCHANGEABLE
VALVE,CHECK
578-2.5
4820-00-288-6678INTERCHANGEABLE
VALVE,CHECK
514-001-3/4IN
6625-00-340-9268INTERCHANGEABLE
VOLTMETER
92A
4330-01-211-9498INTERCHANGEABLE
FILTER,FLUID
92-812A

Frequently Asked Questions

What is NSN 4820-00-268-8780?

NSN 4820-00-268-8780 is a Valve,check, manufactured by Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-268-8780?

NSN 4820-00-268-8780 has 11 cross-referenced part numbers: PF-8050 (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash), 92A (Jenkins Bros), 940-07705-000 (Aqua-Chem, Inc.), 92-A 1 1/2IN NPT (Jenkins Bros), 940-7705 (Aqua-Chem, Inc.) and 6 more.

What NSN replaces 4820-00-268-8780?

There are 8 known substitutes for 4820-00-268-8780: 4730-00-202-7197, 4820-00-287-3097, 4820-00-287-3098 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PF-8050?

Key specifications for PF-8050: Mounting Position: HORIZONTAL; Thread Direction: RIGHT-HAND ALL ENDS; Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flow Control Device: DISK. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-268-8780 still in active supply?

NSN 4820-00-268-8780 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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