PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2159Valve,check

Kepner Products Co Div Kepner Products Company · NSN 4820-01-351-9892 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-351-9892 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-351-9892. Primary manufacturer part number: 2159.
Features
  • Valve,check — FSC 4820
  • Valve Operation Method: AUTOMATIC
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Thread Series Designator: NPTF ALL ENDS
  • Style Designator: STRAIGHT THRU
  • Connection Style: PLAIN (PIPE) FIRST END
  • Flow Control Device: DISK
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-351-9892, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kepner Products Co Div Kepner Products Company. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, 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
NSN4820-01-351-9892
Primary Part Number2159
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKepner Products Co Div Kepner Products Company
StatusACTIVE
Valve Operation MethodAUTOMATIC
Nominal Thread Size0.250 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Thread Series DesignatorNPTF ALL ENDS
Style DesignatorSTRAIGHT THRU
Connection StylePLAIN (PIPE) FIRST END
Flow Control DeviceDISK
Connection StylePLAIN, OPTIONAL END (PIPE) SECOND END
Thread DirectionRIGHT-HAND ALL ENDS
Mounting PositionHORIZONTAL
Nominal Thread Size0.688 INCHES SECOND END IN
MaterialSTEEL BODY
Connection TypeTHREADED INTERNAL PIPE SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-033-2577 INTERCHANGEABLE
Pump,reciprocating
3110-00-120-427621X94532 INTERCHANGEABLE
Bearing,roller,journal
Garwood/feller Inc Garwood Winch Div
3110-00-158-844967985 ASSY 90032 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
4130-00-332-00243155548PC126L INTERCHANGEABLE
Diaphragm,valve
Naval Ship Systems Command
3830-00-496-77731981 INTERCHANGEABLE
Hose Assy,rubber
New Holland Construction
6645-00-557-0320W33-7510-10 INTERCHANGEABLE
Clock,panel
Wakmann Watch Company Inc
1740-00-716-51514023-7 INTERCHANGEABLE
Spring Unit,air
Pdi Ground Support Systems, Inc.
2520-00-734-96811979 INTERCHANGEABLE
Shaft
Kenworth Truck Co a Div of Paccar Inc
5815-00-755-7343 INTERCHANGEABLE
Teletypewriter Subassembly
5910-00-771-34092159 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Sprague Electric Co World Hqs
Cross-Reference Index
Part NumberManufacturer
7-926-002140 Amz Alabama Inc. (USA)
7-926-002140 Grove U.s. Llc Dba Grove Us Llc (USA)
2159 PRIMARY Kepner Products Co Div Kepner Products Company (USA)
1979 Kepner Products Co Div Kepner Products Company (USA)
7-926-002140 Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA)
2GA435 Oshkosh Corp (USA)
Related Parts
4320-00-033-2577INTERCHANGEABLE
PUMP,RECIPROCATING
3110-00-120-4276INTERCHANGEABLE
BEARING,ROLLER,JOURNAL
21X94532
3110-00-158-8449INTERCHANGEABLE
BEARING,ROLLER,TAPERED
67985 ASSY 90032
4130-00-332-0024INTERCHANGEABLE
DIAPHRAGM,VALVE
3155548PC126L
3830-00-496-7773INTERCHANGEABLE
HOSE ASSY,RUBBER
1981
6645-00-557-0320INTERCHANGEABLE
CLOCK,PANEL
W33-7510-10
1740-00-716-5151INTERCHANGEABLE
SPRING UNIT,AIR
4023-7
2520-00-734-9681INTERCHANGEABLE
SHAFT
1979
5815-00-755-7343INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
5910-00-771-3409INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
2159
4730-00-826-6176INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
1680-00-838-0977INTERCHANGEABLE
CONTAINER,RAIN SOLUTION
10-12833-1

Frequently Asked Questions

What is NSN 4820-01-351-9892?

NSN 4820-01-351-9892 is a Valve,check, manufactured by Kepner Products Co Div Kepner Products Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-351-9892?

NSN 4820-01-351-9892 has 6 cross-referenced part numbers: 7-926-002140 (Amz Alabama Inc.), 7-926-002140 (Grove U.s. Llc Dba Grove Us Llc), 2159 (Kepner Products Co Div Kepner Products Company), 1979 (Kepner Products Co Div Kepner Products Company), 7-926-002140 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc) and 1 more.

What NSN replaces 4820-01-351-9892?

There are 12 known substitutes for 4820-01-351-9892: 4320-00-033-2577, 3110-00-120-4276, 3110-00-158-8449 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2159?

Key specifications for 2159: Valve Operation Method: AUTOMATIC; Nominal Thread Size: 0.250 INCHES FIRST END IN; Connection Type: THREADED EXTERNAL PIPE FIRST END; Thread Series Designator: NPTF ALL ENDS. 14 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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