PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DRP-15949 PC 10Cock,drain

Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco · NSN 4820-00-287-4268 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-287-4268 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-287-4268. Primary manufacturer part number: DRP-15949 PC 10.
Features
  • Cock,drain — FSC 4820
  • Flow Control Device: DISK
  • Valve Operation Method: MANUAL
  • Connection Style: PLAIN (PIPE) FIRST END
  • Material: COPPER ALLOY OVERALL
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
  • Material Document and Classification: QQ-B-626 FED SPEC 1ST MATERIAL RESPONSE AND QQ-B-626,ALLOY 360 FED SPEC 2ND MATERIAL RESPONSE BODY
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cock,drain, cataloged under National Stock Number 4820-00-287-4268, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-287-4268
Primary Part NumberDRP-15949 PC 10
Item NameCock,drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerColtec Industries Inc Dba Fairbanks Morse Engine Fm/alco
StatusCANCELLED
Flow Control DeviceDISK
Valve Operation MethodMANUAL
Connection StylePLAIN (PIPE) FIRST END
MaterialCOPPER ALLOY OVERALL
Nominal Thread Size0.250 INCHES FIRST END IN
Material Document and ClassificationQQ-B-626 FED SPEC 1ST MATERIAL RESPONSE AND QQ-B-626,ALLOY 360 FED SPEC 2ND MATERIAL RESPONSE BODY
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Thread Series DesignatorNPTF FIRST END
Style DesignatorSTRAIGHT THRU
Material Document and ClassificationQQ-B-626 FED SPEC 1ST MATERIAL RESPONSE AND QQ-B-626,ALLOY 360 FED SPEC 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
Thread DirectionRIGHT-HAND FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2815-00-146-7363 INTERCHANGEABLE
Lever and Bushing a
5930-00-175-45517001-4 INTERCHANGEABLE
Switch,code Indicating Wheel
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
5120-00-198-540615224 INTERCHANGEABLE
Key,socket Head Screw
Eklind Tool Co
4820-00-272-3346 INTERCHANGEABLE
Cock,drain
2610-00-424-9885 INTERCHANGEABLE
Inner Tube,pneumatic Tire,vehicu
4810-00-518-10848658 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Waterous Company
4820-00-555-9761 INTERCHANGEABLE
Cock,drain
5905-00-588-2236700-14 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Vishay Sprague Inc
5340-00-597-50935393 INTERCHANGEABLE
Strap,retaining
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
8020-00-685-5393E19518 INTERCHANGEABLE
Brush,paint
Muralo Company, Inc., the Dba Elder & Jenks Co Div Div Elder & Jenks
Cross-Reference Index
Part NumberManufacturer
DRP-15949 PC 10 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
239-124 PIECE 2 Itt Goulds Pumps, Inc. (USA)
AA59440/3-012 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
4820002874268 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
MILC1203 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-59440/3 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
4820002874268 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
D-ND-1500-77 PI Carver Pump Company (USA)
5393 Waterous Company (USA)
700-1-4 Bros Inc
SXAIRC0CKTEEHAND Essex Brass Corporation (USA)
MS35784-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
2815-00-146-7363INTERCHANGEABLE
LEVER AND BUSHING A
5930-00-175-4551INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
7001-4
5120-00-198-5406INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
15224
4820-00-272-3346INTERCHANGEABLE
COCK,DRAIN
2610-00-424-9885INTERCHANGEABLE
INNER TUBE,PNEUMATIC TIRE,VEHICU
4810-00-518-1084INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
8658
4820-00-555-9761INTERCHANGEABLE
COCK,DRAIN
5905-00-588-2236INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
700-14
5340-00-597-5093INTERCHANGEABLE
STRAP,RETAINING
5393
8020-00-685-5393INTERCHANGEABLE
BRUSH,PAINT
E19518
2805-00-692-7177INTERCHANGEABLE
CRANKSHAFT ASSY,ENG
5-393
4820-00-849-1220INTERCHANGEABLE
COCK,DRAIN

Frequently Asked Questions

What is NSN 4820-00-287-4268?

NSN 4820-00-287-4268 is a Cock,drain, manufactured by Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-287-4268?

NSN 4820-00-287-4268 has 12 cross-referenced part numbers: DRP-15949 PC 10 (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco), 239-124 PIECE 2 (Itt Goulds Pumps, Inc.), AA59440/3-012 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 4820002874268 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), MILC1203 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 7 more.

What NSN replaces 4820-00-287-4268?

There are 12 known substitutes for 4820-00-287-4268: 2815-00-146-7363, 5930-00-175-4551, 5120-00-198-5406 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DRP-15949 PC 10?

Key specifications for DRP-15949 PC 10: Flow Control Device: DISK; Valve Operation Method: MANUAL; Connection Style: PLAIN (PIPE) FIRST END; Material: COPPER ALLOY OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-287-4268 still in active supply?

NSN 4820-00-287-4268 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.
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