PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S11772Cock,plug

H20 Tank Inc U S Motors Div · NSN 4820-00-287-5638 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-287-5638 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-287-5638. Primary manufacturer part number: S11772.
Features
  • Cock,plug — FSC 4820
  • Connection Style: PLAIN (PIPE) FIRST END
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
  • Nominal Thread Size: 0.625 INCHES SECOND END IN
  • Thread Series Designator: NPT FIRST END
  • Thread Class: 3A SECOND END A
  • Seat Angle: 45.0 DEGREES SECOND END
  • Thread Direction: RIGHT-HAND ALL ENDS
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cock,plug, cataloged under National Stock Number 4820-00-287-5638, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is H20 Tank Inc U S Motors Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-287-5638
Primary Part NumberS11772
Item NameCock,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerH20 Tank Inc U S Motors Div
StatusCANCELLED
Connection StylePLAIN (PIPE) FIRST END
Nominal Thread Size0.250 INCHES FIRST END IN
Nominal Thread Size0.625 INCHES SECOND END IN
Thread Series DesignatorNPT FIRST END
Thread Class3A SECOND END A
Seat Angle45.0 DEGREES SECOND END
Thread DirectionRIGHT-HAND ALL ENDS
Connection TypeTHREADED EXTERNAL TUBE SECOND END
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorUNF SECOND END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Flow StyleTWO WAY TWO PORT 360 DEGREE PLUG TURN
Connection StyleFLARED (TUBE) SECOND END
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5815-00-356-3324SC-B-70050 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2915-01-327-01902-9100-1 INTERCHANGEABLE
Valve,fuel Pressurizing and Drai
Aerocontrolex Group, Inc. Dba Aero Fluid Products
5950-01-597-213250429 INTERCHANGEABLE
Transformer,power
Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics
Cross-Reference Index
Part NumberManufacturer
S11772 PRIMARY H20 Tank Inc U S Motors Div (USA)
57SAE Imperial (USA)
504-29 Cummins Power Generation Inc. (USA)
SCD76739-2 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5815-00-356-3324INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SC-B-70050
2915-01-327-0190INTERCHANGEABLE
VALVE,FUEL PRESSURIZING AND DRAI
2-9100-1
5950-01-597-2132INTERCHANGEABLE
TRANSFORMER,POWER
50429

Frequently Asked Questions

What is NSN 4820-00-287-5638?

NSN 4820-00-287-5638 is a Cock,plug, manufactured by H20 Tank Inc U S Motors Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-287-5638?

NSN 4820-00-287-5638 has 4 cross-referenced part numbers: S11772 (H20 Tank Inc U S Motors Div), 57SAE (Imperial), 504-29 (Cummins Power Generation Inc.), SCD76739-2 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 4820-00-287-5638?

There are 3 known substitutes for 4820-00-287-5638: 5815-00-356-3324, 2915-01-327-0190, 5950-01-597-2132. Verify interchangeability with system specifications before substitution.

What are the specifications of S11772?

Key specifications for S11772: Connection Style: PLAIN (PIPE) FIRST END; Nominal Thread Size: 0.250 INCHES FIRST END IN; Nominal Thread Size: 0.625 INCHES SECOND END IN; Thread Series Designator: NPT FIRST END. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-287-5638 still in active supply?

NSN 4820-00-287-5638 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.
PartsTable Design LLC · partstable.com