PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41-530-01Cock,plug

Aalberts Integrated Piping Systems Americas, Inc. · NSN 4820-00-274-3647 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-274-3647 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-274-3647. Primary manufacturer part number: 41-530-01.
Features
  • Cock,plug — FSC 4820
  • Nominal Thread Size: 0.250 INCHES SECOND END IN
  • Flow Style: TWO WAY TWO PORT 360 DEGREE PLUG TURN
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Connection Style: PLAIN, OPTIONAL END (PIPE) SECOND END
  • Thread Series Designator: NPT SECOND END
  • Criticality Code Justification: FEAT
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cock,plug, cataloged under National Stock Number 4820-00-274-3647, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aalberts Integrated Piping Systems Americas, Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 47 commercial cross-references from 39 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
NSN4820-00-274-3647
Primary Part Number41-530-01
Item NameCock,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAalberts Integrated Piping Systems Americas, Inc.
StatusCANCELLED
Nominal Thread Size0.250 INCHES SECOND END IN
Flow StyleTWO WAY TWO PORT 360 DEGREE PLUG TURN
Connection TypeTHREADED INTERNAL PIPE SECOND END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Connection StylePLAIN, OPTIONAL END (PIPE) SECOND END
Thread Series DesignatorNPT SECOND END
Criticality Code JustificationFEAT
Connection StylePLAIN (PIPE) FIRST END
Thread DirectionRIGHT-HAND SECOND END
Thread DirectionRIGHT-HAND FIRST END
Valve Operation MethodMANUAL
MaterialCOPPER ALLOY OVERALL
Nominal Thread Size0.250 INCHES FIRST END IN
Thread Series DesignatorNPT FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5130-00-075-712610105144-5 INTERCHANGEABLE
Switch,electric Grinder
Us Army Aviation and Missile Command
5910-00-081-3871 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
5330-00-122-5532 INTERCHANGEABLE
Rubber Sheet,solid,cloth Insert
3110-00-155-9618056-4 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
5935-00-187-07002173112 INTERCHANGEABLE
Jack,tip
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6625-00-220-96135049 INTERCHANGEABLE
Test Set Subassembly,electrical
The Bechdon Company, Llc
4730-00-226-11385049 INTERCHANGEABLE
Strainer Element,sediment
Plenty Inc
5330-00-231-0327 INTERCHANGEABLE
Gasket
6145-00-241-1770857 INTERCHANGEABLE
Braid,wire
Birnbach Co Inc
5315-00-262-811012179A INTERCHANGEABLE
Pin,straight,headed
Brinkley Technology Group Llc Dba Hercules Manufacturing
Cross-Reference Index
Part NumberManufacturer
41-530-01 PRIMARY Aalberts Integrated Piping Systems Americas, Inc. (USA)
2651744 Fmc Corp (USA)
1328F PRIMARY Oshkosh Defense Llc (USA)
5049 Imperial (USA)
349440 Stant Corp Edelmann Div (USA)
49E Parker Hannifin Corp Hose Products Div (USA)
1328F Oshkosh Corp (USA)
2A7272 PRIMARY Napco International Llc Dba Napco International Inc (USA)
6829 PRIMARY Danfoss Power Solutions II, Llc (USA)
23A77 Imperial (USA)
1714B1 Diamond Reo Truck Co (USA)
38-129M Seaman-Parsons Corp (USA)
6829 Dana Corp Weatherhead Div (USA)
3755A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
60 PRIMARY Lincoln Brass Works Inc (USA)
23A77 Parker Hannifin Corp Hose Products Div (USA)
23A77 Astec Industries Inc Div Astec Ind. (USA)
3302X4 PRIMARY United Technologies Automotive Inc Components Div (USA)
401827-002 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
V402P-4-4 PRIMARY Parker-Hannifin Corp Div Fluid System Connector Division (USA)
Related Parts
5130-00-075-7126INTERCHANGEABLE
SWITCH,ELECTRIC GRINDER
10105144-5
5910-00-081-3871INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5330-00-122-5532INTERCHANGEABLE
RUBBER SHEET,SOLID,CLOTH INSERT
3110-00-155-9618INTERCHANGEABLE
BEARING,BALL,ANNULAR
056-4
5935-00-187-0700INTERCHANGEABLE
JACK,TIP
2173112
6625-00-220-9613INTERCHANGEABLE
TEST SET SUBASSEMBLY,ELECTRICAL
5049
4730-00-226-1138INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
5049
5330-00-231-0327INTERCHANGEABLE
GASKET
6145-00-241-1770INTERCHANGEABLE
BRAID,WIRE
857
5315-00-262-8110INTERCHANGEABLE
PIN,STRAIGHT,HEADED
12179A
4820-00-274-3646INTERCHANGEABLE
COCK,PLUG
15-416
5340-00-285-7141INTERCHANGEABLE
BUMPER
255

Frequently Asked Questions

What is NSN 4820-00-274-3647?

NSN 4820-00-274-3647 is a Cock,plug, manufactured by Aalberts Integrated Piping Systems Americas, Inc., classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-274-3647?

NSN 4820-00-274-3647 has 47 cross-referenced part numbers: 41-530-01 (Aalberts Integrated Piping Systems Americas, Inc.), 2651744 (Fmc Corp), 1328F (Oshkosh Defense Llc), 5049 (Imperial), 349440 (Stant Corp Edelmann Div) and 42 more.

What NSN replaces 4820-00-274-3647?

There are 12 known substitutes for 4820-00-274-3647: 5130-00-075-7126, 5910-00-081-3871, 5330-00-122-5532 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41-530-01?

Key specifications for 41-530-01: Special Features: WEAPON SYSTEM ESSENTIAL; Nominal Thread Size: 0.250 INCHES SECOND END IN; Flow Style: TWO WAY TWO PORT 360 DEGREE PLUG TURN; Connection Type: THREADED INTERNAL PIPE SECOND END. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-274-3647 still in active supply?

NSN 4820-00-274-3647 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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