PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15F-1MP 1 1/2INValve,gate

William E Williams Valve Corp · NSN 4820-01-270-4248 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-270-4248 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-270-4248. Primary manufacturer part number: 15F-1MP 1 1/2IN.
Features
  • Valve,gate — FSC 4820
  • Valve Operation Method: MANUAL
  • Bonnet Attachment Method: BOLTED
  • Inlet Relationship with Outlet: IDENTICAL
  • Flange Diameter: 5.000 INCHES IN
  • Valve Size: 1.500 INCHES IN
  • Material: STEEL CORROSION RESISTING SEAT
  • Material: STEEL CORROSION RESISTING STEM
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Seat construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-270-4248, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William E Williams Valve Corp. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-270-4248
Primary Part Number15F-1MP 1 1/2IN
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
Valve Operation MethodMANUAL
Bonnet Attachment MethodBOLTED
Inlet Relationship with OutletIDENTICAL
Flange Diameter5.000 INCHES IN
Valve Size1.500 INCHES IN
MaterialSTEEL CORROSION RESISTING SEAT
MaterialSTEEL CORROSION RESISTING STEM
Connection TypeFLANGE, ROUND W/HOLES
Material Document and ClassificationASTM A182 GR. F6 ASSN STD SINGLE MATERIAL RESPONSE STEM
MaterialSTEEL CORROSION RESISTING DISK
Material Document and ClassificationASTM A182 GR. F6 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Bonnet TypeOUTSIDE SCREW-YOKE
Material Document and ClassificationASTM A182 GR. F6 ASSN STD SINGLE MATERIAL RESPONSE DISK
MaterialSTEEL UNS J03002 BODY
Material Document and ClassificationASTM A216 GR. WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
Face to Face Distance6.500 INCHES IN
Furnished Items and Quantity1 HANDWHEEL
Bolt Hole Quantity4
Stem TypeRISING
Flange Face DesignRAISED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6240-00-155-7836 INTERCHANGEABLE
Lamp,incandescent
5940-00-201-329106067 INTERCHANGEABLE
Post,binding,electrical
Stromberg-Carlson Corp a Plessey Telecommunications Co
6685-00-255-8037 INTERCHANGEABLE
Pyrometer,optical
3030-00-264-3050VX132 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
2530-00-514-2725205000 INTERCHANGEABLE
Valve,relay,air Pressure
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
6145-01-118-15558622 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5305-01-194-64328622 INTERCHANGEABLE
Screw,machine
Heyco Inc Dba Heyco Products
5930-01-230-4062800T-H2 INTERCHANGEABLE
Switch Subassembly
Rockwell Automation, Inc. Dba Rockwell Automation
5998-01-254-3445 INTERCHANGEABLE
Circuit Card Assembly
2540-01-280-438986-22 INTERCHANGEABLE
Channel,lift,vehicle Window Glas
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
15F-1MP 1 1/2IN AND 8622 William E Williams Valve Corp (USA)
8622 William E Williams Valve Corp (USA)
15F-1MP 1 1/2IN PRIMARY William E Williams Valve Corp (USA)
8622 15F-1MP 1 1/2IN William E Williams Valve Corp (USA)
Related Parts
6240-00-155-7836INTERCHANGEABLE
LAMP,INCANDESCENT
5940-00-201-3291INTERCHANGEABLE
POST,BINDING,ELECTRICAL
06067
6685-00-255-8037INTERCHANGEABLE
PYROMETER,OPTICAL
3030-00-264-3050INTERCHANGEABLE
BELT,V
VX132
2530-00-514-2725INTERCHANGEABLE
VALVE,RELAY,AIR PRESSURE
205000
6145-01-118-1555INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
8622
5305-01-194-6432INTERCHANGEABLE
SCREW,MACHINE
8622
5930-01-230-4062INTERCHANGEABLE
SWITCH SUBASSEMBLY
800T-H2
5998-01-254-3445INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2540-01-280-4389INTERCHANGEABLE
CHANNEL,LIFT,VEHICLE WINDOW GLAS
86-22
4730-01-285-2887INTERCHANGEABLE
CAP,PIPE
00811320-020

Frequently Asked Questions

What is NSN 4820-01-270-4248?

NSN 4820-01-270-4248 is a Valve,gate, manufactured by William E Williams Valve Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-270-4248?

NSN 4820-01-270-4248 has 4 cross-referenced part numbers: 15F-1MP 1 1/2IN AND 8622 (William E Williams Valve Corp), 8622 (William E Williams Valve Corp), 15F-1MP 1 1/2IN (William E Williams Valve Corp), 8622 15F-1MP 1 1/2IN (William E Williams Valve Corp).

What NSN replaces 4820-01-270-4248?

There are 11 known substitutes for 4820-01-270-4248: 6240-00-155-7836, 5940-00-201-3291, 6685-00-255-8037 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15F-1MP 1 1/2IN?

Key specifications for 15F-1MP 1 1/2IN: Valve Operation Method: MANUAL; Bonnet Attachment Method: BOLTED; Inlet Relationship with Outlet: IDENTICAL; Flange Diameter: 5.000 INCHES IN. 20 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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