PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-50498Valve,foot

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4820-00-288-7164 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-288-7164 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-288-7164. Primary manufacturer part number: A-A-50498.
Features
  • Valve,foot — FSC 4820
  • Nondefinitive Spec/std Data: 4 IN. SIZE IN
  • Material Document and Classification: ASTM A126-61T, CLASS A ASSN STD SINGLE MATERIAL RESPONSE SEAT
  • Material: LEATHER AND RUBBER FLOW CONTROL DEVICE
  • Material Document and Classification: ASTM A126-61T, CLASS A ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Material: IRON CAST UNS F11501 OR IRON CAST UNS F12102 OR IRON CAST UNS F12802 SEAT
  • Material: IRON CAST UNS F11501 OR IRON CAST UNS F12102 OR IRON CAST UNS F12802 BODY
  • End Connection Quantity: 1
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Leather and Rubber Flow Control Device construction
General Description

The Valve,foot, cataloged under National Stock Number 4820-00-288-7164, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN4820-00-288-7164
Primary Part NumberA-A-50498
Item NameValve,foot
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Nondefinitive Spec/std Data4 IN. SIZE IN
Material Document and ClassificationASTM A126-61T, CLASS A ASSN STD SINGLE MATERIAL RESPONSE SEAT
MaterialLEATHER AND RUBBER FLOW CONTROL DEVICE
Material Document and ClassificationASTM A126-61T, CLASS A ASSN STD SINGLE MATERIAL RESPONSE BODY
MaterialIRON CAST UNS F11501 OR IRON CAST UNS F12102 OR IRON CAST UNS F12802 SEAT
MaterialIRON CAST UNS F11501 OR IRON CAST UNS F12102 OR IRON CAST UNS F12802 BODY
End Connection Quantity1
First End Connection TypeTHREADED INTERNAL PIPE
Body StyleLOW OR MEDIUM PRESSURE (SCREWED)
Media for Which DesignedWATER, FRESH
First End Nominal Pipe Size Accommodated4.000 INCHES IN
Flow Control DeviceDISK, SWING TYPE
First End Style DesignatorPLAIN
First End Thread DirectionRIGHT-HAND
Operating Pressure25.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-00-227-0154 INTERCHANGEABLE
Valve,foot
4820-00-227-0156 INTERCHANGEABLE
Valve,foot
4820-00-273-9734 INTERCHANGEABLE
Valve,foot
4820-00-273-9735394-6 INTERCHANGEABLE
Valve,foot
Crane Co Div Valve Div
Cross-Reference Index
Part NumberManufacturer
A-A-50498 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A50498-CI-1-H Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MILV16721 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4820-00-227-0154INTERCHANGEABLE
VALVE,FOOT
4820-00-227-0156INTERCHANGEABLE
VALVE,FOOT
4820-00-273-9734INTERCHANGEABLE
VALVE,FOOT
4820-00-273-9735INTERCHANGEABLE
VALVE,FOOT
394-6

Frequently Asked Questions

What is NSN 4820-00-288-7164?

NSN 4820-00-288-7164 is a Valve,foot, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-288-7164?

NSN 4820-00-288-7164 has 3 cross-referenced part numbers: A-A-50498 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A50498-CI-1-H (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MILV16721 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4820-00-288-7164?

There are 4 known substitutes for 4820-00-288-7164: 4820-00-227-0154, 4820-00-227-0156, 4820-00-273-9734 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-50498?

Key specifications for A-A-50498: Nondefinitive Spec/std Data: 4 IN. SIZE IN; Material Document and Classification: ASTM A126-61T, CLASS A ASSN STD SINGLE MATERIAL RESPONSE SEAT; Material: LEATHER AND RUBBER FLOW CONTROL DEVICE; Material Document and Classification: ASTM A126-61T, CLASS A ASSN STD SINGLE MATERIAL RESPONSE BODY. 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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