PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D15-509BPC1136Guide,valve Stem

Westinghouse Electric Corp · NSN 4820-00-147-3787 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-147-3787 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-147-3787. Primary manufacturer part number: D15-509BPC1136.
Features
  • Guide,valve Stem — FSC 4820
  • Outside Diameter: 1.000 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • 50 verified cross-references
  • Primary manufacturer: Westinghouse Electric Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Guide,valve Stem, cataloged under National Stock Number 4820-00-147-3787, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Westinghouse Electric Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-147-3787
Primary Part NumberD15-509BPC1136
Item NameGuide,valve Stem
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Outside Diameter1.000 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5305-00-322-231938000 INTERCHANGEABLE
Setscrew
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
4720-00-593-194426509 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5360-01-133-4397380-00 INTERCHANGEABLE
Spring,helical,compression
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4910-01-213-16152-902-774-25482 INTERCHANGEABLE
Bar,gage
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
5930-01-324-236738000 INTERCHANGEABLE
Switch,sensitive
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5935-01-470-910938000 INTERCHANGEABLE
Connector Body,plug,electrical
Waytek Inc
6130-01-683-379238000 INTERCHANGEABLE
Charger,battery
Goal Zero Llc Dba Goal Zero
2090-01-719-234038000 INTERCHANGEABLE
Motor,windshield Wiper,electric
Marinco Shore Power Systems
6060-01-734-020838000 INTERCHANGEABLE
Connector Assembly,fiber Optic
Rsl Fiber Systems Llc
Cross-Reference Index
Part NumberManufacturer
D15-509BPC1136 Westinghouse Electric Corp (USA)
D15-414CPC431 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-439BPC128 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-470APC501 Westinghouse Electric Corp (USA)
D15-332CPC248 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-439PPC128 Westinghouse Electric Corp (USA)
D15-509WPC1136 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-453APC15 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-6640PC826 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-6640PC826 Westinghouse Electric Corp (USA)
D15-664NPC826 Westinghouse Electric Corp (USA)
D15-765MPC826 Westinghouse Electric Corp (USA)
D15-699WPC1136 Westinghouse Electric Corp (USA)
D15-664MPC826 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-460APC15 Westinghouse Electric Corp (USA)
D15-746LPC826 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-332CPC288 Westinghouse Electric Corp (USA)
D15-439DPC128 Westinghouse Electric Corp (USA)
D15-453LPC15 Westinghouse Electric Corp (USA)
D15-699XPC1136 Northrop Grumman Systems Corporation Div Marine Systems (USA)
Related Parts
5305-00-322-2319INTERCHANGEABLE
SETSCREW
38000
4720-00-593-1944INTERCHANGEABLE
HOSE,PREFORMED
26509
5360-01-133-4397INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
380-00
4910-01-213-1615INTERCHANGEABLE
BAR,GAGE
2-902-774-25482
5930-01-324-2367INTERCHANGEABLE
SWITCH,SENSITIVE
38000
5935-01-470-9109INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
38000
6130-01-683-3792INTERCHANGEABLE
CHARGER,BATTERY
38000
2090-01-719-2340INTERCHANGEABLE
MOTOR,WINDSHIELD WIPER,ELECTRIC
38000
6060-01-734-0208INTERCHANGEABLE
CONNECTOR ASSEMBLY,FIBER OPTIC
38000

Frequently Asked Questions

What is NSN 4820-00-147-3787?

NSN 4820-00-147-3787 is a Guide,valve Stem, manufactured by Westinghouse Electric Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-147-3787?

NSN 4820-00-147-3787 has 50 cross-referenced part numbers: D15-509BPC1136 (Westinghouse Electric Corp), D15-414CPC431 (Northrop Grumman Systems Corporation Div Marine Systems), D15-439BPC128 (Northrop Grumman Systems Corporation Div Marine Systems), D15-470APC501 (Westinghouse Electric Corp), D15-332CPC248 (Northrop Grumman Systems Corporation Div Marine Systems) and 45 more.

What NSN replaces 4820-00-147-3787?

There are 9 known substitutes for 4820-00-147-3787: 5305-00-322-2319, 4720-00-593-1944, 5360-01-133-4397 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D15-509BPC1136?

Key specifications for D15-509BPC1136: Overall Length: 2.125 INCHES NOMINAL IN; Outside Diameter: 1.000 INCHES NOMINAL IN; Material: COPPER ALLOY. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com