PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27 3-4Valve,lift-Check

Crane Co Div Valve Div · NSN 4820-00-855-3923 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-855-3923 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-855-3923. Primary manufacturer part number: 27 3-4.
Features
  • Valve,lift-Check — FSC 4820
  • Flow Control Device: DISK
  • Valve Operation Method: AUTOMATIC
  • Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS
  • Mounting Position: HORIZONTAL
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Bonnet Type: PACKING RETAINING
  • Thread Direction: RIGHT-HAND ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 836 Seat construction
General Description

The Valve,lift-Check, cataloged under National Stock Number 4820-00-855-3923, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crane Co Div Valve Div. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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
NSN4820-00-855-3923
Primary Part Number27 3-4
Item NameValve,lift-Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCrane Co Div Valve Div
StatusCANCELLED
Flow Control DeviceDISK
Valve Operation MethodAUTOMATIC
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
Mounting PositionHORIZONTAL
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Bonnet TypePACKING RETAINING
Thread DirectionRIGHT-HAND ALL ENDS
Nominal Thread Size0.750 INCHES ALL ENDS IN
Media for Which DesignedSTEAM FIRST RESPONSE
Style DesignatorSTRAIGHT THRU
MaterialCOPPER ALLOY 836 SEAT
MaterialCOPPER ALLOY 836 BODY
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Thread Series DesignatorNPT ALL ENDS
MaterialRUBBER FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-017-9841 INTERCHANGEABLE
Screw,cap,hexagon Head
3110-00-144-8934117A INTERCHANGEABLE
Bearing,ball,annular
Mcgill Manufacturing Co, Inc
4820-00-287-46707-3/4 INTERCHANGEABLE
Valve,float
O. C. Keckley Company
5120-00-293-079912Z713PC105 INTERCHANGEABLE
Wrench,spanner
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6515-00-319-930040-2923 INTERCHANGEABLE
Clamp,bone and Plate Holding
Sklar Corporation Dba Sklar Instruments
5307-00-422-656923334 INTERCHANGEABLE
Stud,plain
Briggs and Stratton Corp
5330-00-599-133214021 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5330-00-640-9476 INTERCHANGEABLE
Packing,preformed
5935-00-683-240410051544 INTERCHANGEABLE
Connector,plug,electrical
Us Army Aviation and Missile Command
4820-00-756-55362734 INTERCHANGEABLE
Disk,valve
Lawler Manufacturing Company, Inc.
Cross-Reference Index
Part NumberManufacturer
233-3/4 Lunkenheimer Co (USA)
27TF-3/4 Crane Co Crane Valve and Parts Div (USA)
27 3-4 PRIMARY Crane Co Div Valve Div (USA)
1212462 PRIMARY Pneumatic Products Corp (USA)
117A Jenkins Bros (USA)
V400-4 Pall Corporation (USA)
FIG 117-A SIZE 3/4 IN Jenkins Bros (USA)
Related Parts
5305-00-017-9841INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
3110-00-144-8934INTERCHANGEABLE
BEARING,BALL,ANNULAR
117A
4820-00-287-4670INTERCHANGEABLE
VALVE,FLOAT
7-3/4
5120-00-293-0799INTERCHANGEABLE
WRENCH,SPANNER
12Z713PC105
6515-00-319-9300INTERCHANGEABLE
CLAMP,BONE AND PLATE HOLDING
40-2923
5307-00-422-6569INTERCHANGEABLE
STUD,PLAIN
23334
5330-00-599-1332INTERCHANGEABLE
GASKET
14021
5330-00-640-9476INTERCHANGEABLE
PACKING,PREFORMED
5935-00-683-2404INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
10051544
4820-00-756-5536INTERCHANGEABLE
DISK,VALVE
2734
6625-00-902-7571INTERCHANGEABLE
COMPARATOR,SIGNAL
117A
6110-00-927-5436INTERCHANGEABLE
COVER,COMPONENT ASS
23334

Frequently Asked Questions

What is NSN 4820-00-855-3923?

NSN 4820-00-855-3923 is a Valve,lift-Check, manufactured by Crane Co Div Valve Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-855-3923?

NSN 4820-00-855-3923 has 7 cross-referenced part numbers: 233-3/4 (Lunkenheimer Co), 27TF-3/4 (Crane Co Crane Valve and Parts Div), 27 3-4 (Crane Co Div Valve Div), 1212462 (Pneumatic Products Corp), 117A (Jenkins Bros) and 2 more.

What NSN replaces 4820-00-855-3923?

There are 12 known substitutes for 4820-00-855-3923: 5305-00-017-9841, 3110-00-144-8934, 4820-00-287-4670 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27 3-4?

Key specifications for 27 3-4: Flow Control Device: DISK; Valve Operation Method: AUTOMATIC; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Mounting Position: HORIZONTAL. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-855-3923 still in active supply?

NSN 4820-00-855-3923 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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