PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15-OF-U 12INValve,gate

Stockham Valves and Fittings Inc · NSN 4820-00-287-3447 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-287-3447 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-287-3447. Primary manufacturer part number: 15-OF-U 12IN.
Features
  • Valve,gate — FSC 4820
  • Bolt Hole Quantity: 12
  • Bonnet Type: OUTSIDE SCREW-YOKE
  • Maximum Operating Temp and Media for Which Designed: 1000.0 FAHRENHEIT STEAM AND 100.0 FAHRENHEIT WATER-OIL-GAS DEGF
  • Pressure Class: ERR-060
  • Material: STEEL UNS J03002 BODY
  • Inlet Relationship with Outlet: IDENTICAL
  • Stem Type: RISING
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Uns J03002 Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-287-3447, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Stockham Valves and Fittings Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-287-3447
Primary Part Number15-OF-U 12IN
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerStockham Valves and Fittings Inc
StatusACTIVE
Bolt Hole Quantity12
Bonnet TypeOUTSIDE SCREW-YOKE
Maximum Operating Temp and Media for Which Designed1000.0 FAHRENHEIT STEAM AND 100.0 FAHRENHEIT WATER-OIL-GAS DEGF
Pressure ClassERR-060
MaterialSTEEL UNS J03002 BODY
Inlet Relationship with OutletIDENTICAL
Stem TypeRISING
Furnished Items and Quantity1 HANDWHEEL
Operating Pressure and Type20.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 285.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Flange Diameter19.000 INCHES IN
Bonnet Attachment MethodTHREADED
Valve Operation MethodMANUAL
Features ProvidedBONNET PACKING
MaterialSTEEL COMP 316 SEAT
MaterialSTEEL COMP 316 DISK
MaterialSTEEL COMP 410 STEM
Connection TypeFLANGE, ROUND W/HOLES
Face to Face Distance14.000 INCHES IN
Valve Size12.000 INCHES IN
Flange Face DesignRAISED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-072-6900150112 INTERCHANGEABLE
Valve Assembly
Eaton Corporation Dba Eaton Inoac Div Eaton
3455-00-217-6923EM10-932 INTERCHANGEABLE
Cutter,milling,end
Sharp Carbide Tool Co Inc
4820-00-227-016613218E0478-4 INTERCHANGEABLE
Valve,globe
Cecom Lr Center
7510-00-545-2816157612 INTERCHANGEABLE
Typing Element
Telemechanics Inc
4820-01-384-1014B10-0064C-02TSG/P4-32689-G1-IT4 INTERCHANGEABLE
Valve,gate
Velan Valve Corp.
4820-01-419-1700F12-0064C-02TY INTERCHANGEABLE
Valve,gate
Velan Valve Corp.
4820-01-419-2657F16-0016C-02TY INTERCHANGEABLE
Valve,gate
Velan Valve Corp.
4820-01-419-2660B12-0064C-02TSG INTERCHANGEABLE
Valve,gate
Velan Valve Corp.
4810-01-419-3627B16-0064C-02TSG,P4-32689-G1 IT19 INTERCHANGEABLE
Valve,gate
Velan Valve Corp.
4820-01-420-5191P4-32689-G1 ITEM 08 INTERCHANGEABLE
Valve,gate
Velan Valve Corp.
Cross-Reference Index
Part NumberManufacturer
15F-1-12IN William E Williams Valve Corp (USA)
15-OF-U 12IN PRIMARY Stockham Valves and Fittings Inc (USA)
47X PRIMARY Crane Co Div Valve Div (USA)
CS-102-U 12IN Nibco Inc (USA)
150-1-12 PRIMARY Mark Controls Corp Pacific Valves Div (USA)
1503N-P140 12IN PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
F18-064B2T Velan Valve Corp. (USA)
P4-32689-G1 ITEM 11 Velan Valve Corp. (USA)
P4-32689-G1 Velan Valve Corp. (USA)
F18-0064C-02TY PRIMARY Velan Valve Corp. (USA)
1512-CW 12IN Lunkenheimer Co (USA)
Related Parts
4820-00-072-6900INTERCHANGEABLE
VALVE ASSEMBLY
150112
3455-00-217-6923INTERCHANGEABLE
CUTTER,MILLING,END
EM10-932
4820-00-227-0166INTERCHANGEABLE
VALVE,GLOBE
13218E0478-4
7510-00-545-2816INTERCHANGEABLE
TYPING ELEMENT
157612
4820-01-384-1014INTERCHANGEABLE
VALVE,GATE
B10-0064C-02TSG/P4-32689-G1-IT4
4820-01-419-1700INTERCHANGEABLE
VALVE,GATE
F12-0064C-02TY
4820-01-419-2657INTERCHANGEABLE
VALVE,GATE
F16-0016C-02TY
4820-01-419-2660INTERCHANGEABLE
VALVE,GATE
B12-0064C-02TSG
4810-01-419-3627INTERCHANGEABLE
VALVE,GATE
B16-0064C-02TSG,P4-32689-G1 IT19
4820-01-420-5191INTERCHANGEABLE
VALVE,GATE
P4-32689-G1 ITEM 08
4820-01-420-5914INTERCHANGEABLE
VALVE,GATE
B18-0064C-02TSG-G
4720-01-547-2421INTERCHANGEABLE
HOSE,NONMETALLIC
150112

Frequently Asked Questions

What is NSN 4820-00-287-3447?

NSN 4820-00-287-3447 is a Valve,gate, manufactured by Stockham Valves and Fittings Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-287-3447?

NSN 4820-00-287-3447 has 11 cross-referenced part numbers: 15F-1-12IN (William E Williams Valve Corp), 15-OF-U 12IN (Stockham Valves and Fittings Inc), 47X (Crane Co Div Valve Div), CS-102-U 12IN (Nibco Inc), 150-1-12 (Mark Controls Corp Pacific Valves Div) and 6 more.

What NSN replaces 4820-00-287-3447?

There are 12 known substitutes for 4820-00-287-3447: 4820-00-072-6900, 3455-00-217-6923, 4820-00-227-0166 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15-OF-U 12IN?

Key specifications for 15-OF-U 12IN: Bolt Hole Quantity: 12; Bonnet Type: OUTSIDE SCREW-YOKE; Maximum Operating Temp and Media for Which Designed: 1000.0 FAHRENHEIT STEAM AND 100.0 FAHRENHEIT WATER-OIL-GAS DEGF; Pressure Class: ERR-060. 21 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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