PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11071(MOD)Valve,check

Mark Controls Corp Pacific Valves Div · NSN 4820-00-752-8871 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-752-8871 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-752-8871. Primary manufacturer part number: 11071(MOD).
Features
  • Valve,check — FSC 4820
  • Nominal Pipe Size Accommodated: 1.000 INCHES FIRST END IN
  • Connection Type: BUTT WELD PIPE FIRST END
  • Valve Operation Method: AUTOMATIC
  • Material: STEEL COMP 304 BODY
  • Media for Which Designed: WATER, FRESH SINGLE RESPONSE
  • Operating Pressure: 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY REPLY TO PAC AAFZ
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 304 Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-752-8871, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mark Controls Corp Pacific Valves Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4820-00-752-8871
Primary Part Number11071(MOD)
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMark Controls Corp Pacific Valves Div
StatusACTIVE
Nominal Pipe Size Accommodated1.000 INCHES FIRST END IN
Connection TypeBUTT WELD PIPE FIRST END
Valve Operation MethodAUTOMATIC
MaterialSTEEL COMP 304 BODY
Media for Which DesignedWATER, FRESH SINGLE RESPONSE
Operating Pressure2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY REPLY TO PAC AAFZ
Criticality Code JustificationZZZY
Style DesignatorSTRAIGHT THRU
Flow Control DeviceDISK
Connection StyleBEVELED (PIPE) FIRST END
Mounting PositionHORIZONTAL
MaterialCOBALT ALLOY BODY LINING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4920-00-091-6834 INTERCHANGEABLE
Adapter,spline Driving
5310-00-252-0210110-71 INTERCHANGEABLE
Nut,ram Locking
Columbus Jack Corporation Div Columbus Jack
1680-00-441-5434 INTERCHANGEABLE
Parts Kit,cylinder
6625-00-449-8565SC-243-1 INTERCHANGEABLE
Converter,signal Data
Data Device Corp Dba Beta Transformer Technology
6635-00-456-2920 INTERCHANGEABLE
Speed Converter
5998-00-539-1501 INTERCHANGEABLE
Circuit Card Assembly
5975-00-710-08761947 INTERCHANGEABLE
Chase Nipple,conduit
Abb Installation Products Inc
1630-00-772-000411071 INTERCHANGEABLE
Guide,brake Valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4820-01-162-714621019PC15A PART 11071 INTERCHANGEABLE
Diaphragm,actuator Valve,special
Aerco International, Inc. Dba Aerco International Inc
6210-01-258-887911071 INTERCHANGEABLE
Fixture,lighting
Metalux Corp
Cross-Reference Index
Part NumberManufacturer
11071(MOD) Mark Controls Corp Pacific Valves Div (USA)
11071 Mark Controls Corp Pacific Valves Div (USA)
Related Parts
4920-00-091-6834INTERCHANGEABLE
ADAPTER,SPLINE DRIVING
5310-00-252-0210INTERCHANGEABLE
NUT,RAM LOCKING
110-71
1680-00-441-5434INTERCHANGEABLE
PARTS KIT,CYLINDER
6625-00-449-8565INTERCHANGEABLE
CONVERTER,SIGNAL DATA
SC-243-1
6635-00-456-2920INTERCHANGEABLE
SPEED CONVERTER
5998-00-539-1501INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5975-00-710-0876INTERCHANGEABLE
CHASE NIPPLE,CONDUIT
1947
1630-00-772-0004INTERCHANGEABLE
GUIDE,BRAKE VALVE
11071
4820-01-162-7146INTERCHANGEABLE
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
21019PC15A PART 11071
6210-01-258-8879INTERCHANGEABLE
FIXTURE,LIGHTING
11071
4320-01-287-9377INTERCHANGEABLE
PARTS KIT,CENTRIFUGAL PUMP
11071
5305-01-301-2841INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 4820-00-752-8871?

NSN 4820-00-752-8871 is a Valve,check, manufactured by Mark Controls Corp Pacific Valves Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-752-8871?

NSN 4820-00-752-8871 has 2 cross-referenced part numbers: 11071(MOD) (Mark Controls Corp Pacific Valves Div), 11071 (Mark Controls Corp Pacific Valves Div).

What NSN replaces 4820-00-752-8871?

There are 12 known substitutes for 4820-00-752-8871: 4920-00-091-6834, 5310-00-252-0210, 1680-00-441-5434 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11071(MOD)?

Key specifications for 11071(MOD): Nominal Pipe Size Accommodated: 1.000 INCHES FIRST END IN; Connection Type: BUTT WELD PIPE FIRST END; Valve Operation Method: AUTOMATIC; Material: STEEL COMP 304 BODY. 13 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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