PartsTable TECHNICAL DATA SHEET

NSN 4820-01-437-1071Government record, cited

Valve, Check4820-01-437-1071

NSN 4820-01-437-1071 · NIIN 014371071 · Part number 2D3-05192 NO. 106

Lake Shore Systems, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 34712

Government record, cited

NSN 4820-01-437-1071 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-437-1071. Manufacturer of record part number: 2D3-05192 NO. 106.

Also searched as 4820-01-437-1071 · 4820014371071 · NIIN 014371071 · 01-437-1071 · FSC 4820 Valves, Nonpowered · CAGE 34712 · 2D3-05192 NO. 106 · 2D3-05192 · 123A-5 · 123A-5 PL4353C

Nearby stock numbers ← 4820-01-437-1070 Valve, Expansion · 4820-01-437-1081 Valve, Expansion →

4820-01-437-1071 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: DISK
Connection Style: PLAIN (TUBE) ALL ENDS
Mounting Position: HORIZONTAL OR VERTICAL
Minimum Operating Temp: -20.0 FAHRENHEIT DEGF
Connection Type: THREADED EXTERNAL TUBE ALL ENDS
Style Designator: STRAIGHT THRU
Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

Identification

NSN: 4820-01-437-1071
NIIN: 014371071
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2D3-05192 NO. 106
Manufacturer: Lake Shore Systems, Inc.

General Description

The Valve,check, cataloged under National Stock Number 4820-01-437-1071, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-437-1071
Primary Part Number	2D3-05192 NO. 106
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Lake Shore Systems, Inc.
Status	ACTIVE
Flow Control Device	DISK
Connection Style	PLAIN (TUBE) ALL ENDS
Mounting Position	HORIZONTAL OR VERTICAL
Minimum Operating Temp	-20.0 FAHRENHEIT DEGF
Connection Type	THREADED EXTERNAL TUBE ALL ENDS
Style Designator	STRAIGHT THRU
Operating Pressure	6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Direction	RIGHT-HAND ALL ENDS
Nominal Thread Size	2.312 INCHES ALL ENDS IN
Maximum Operating Temp	225.0 FAHRENHEIT SINGLE RESPONSE DEGF
Disk Loading Method	SPRING
Media for Which Designed	WATER-OIL-GAS SINGLE RESPONSE
Thread Class	2A ALL ENDS A
Thread Quantity Per Inch	12 ALL ENDS
Material	COPPER ALLOY BODY
Material	STEEL CORROSION RESISTING FLOW CONTROL DEVICE
Material	STEEL CORROSION RESISTING SEAT
Thread Series Designator	UN ALL ENDS
Valve Operation Method	AUTOMATIC

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

⇄ Related Items 8

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4330-01-437-40352D3-05192 POSSIBLE MATCH

POWER PACK,HYDRAULIC

Possible match (shared part number)Lake Shore Systems, Inc.

4320-01-437-4246D94 POSSIBLE MATCH

DEFLECTOR,DIRT AND LIQUID

Possible match (shared part number)Flow Ezy Filters Inc

4730-01-437-4247SASW-10-100 POSSIBLE MATCH

OUTLET,TUBE

Possible match (shared part number)Flow Ezy Filters Inc

4730-01-437-424950-2-NUT-100 POSSIBLE MATCH

STRAINER,SUCTION

Possible match (shared part number)Flow Ezy Filters Inc

4320-01-438-87772D3-05197 POSSIBLE MATCH

GAGE AND PANEL ASSEMBLY

Possible match (shared part number)Lake Shore Systems, Inc.

4720-01-439-23702D3-05192 IT NO 26 POSSIBLE MATCH

HOSE,NONMETALLIC

Possible match (shared part number)Lake Shore Systems, Inc.

4820-01-440-7279RDHA-LBV-IAN/S POSSIBLE MATCH

VALVE,SAFETY RELIEF

Possible match (shared part number)Sun Hydraulics Corporation

4820-01-441-52442B3-06565 POSSIBLE MATCH

COMPENSATOR VENT VA

Possible match (shared part number)Lake Shore Systems, Inc.

Cross-Reference Index

Part Number	Manufacturer
2D3-05192 NO. 106	Lake Shore Systems, Inc. (USA)

Reference documents

Reference	Meaning
2D3-05192	D/9 Drawing number reference only Lake Shore Systems, Inc.
123A-5	5/9 Secondary reference U.S. Government activity
123A-5 PL4353C	3/2 Design control — primary reference U.S. Government activity

Related Parts

4330-01-437-4035POSSIBLE MATCH

POWER PACK,HYDRAULIC

2D3-05192

4320-01-437-4246POSSIBLE MATCH

DEFLECTOR,DIRT AND LIQUID

D94

4730-01-437-4247POSSIBLE MATCH

OUTLET,TUBE

SASW-10-100

4730-01-437-4249POSSIBLE MATCH

STRAINER,SUCTION

50-2-NUT-100

4320-01-438-8777POSSIBLE MATCH

GAGE AND PANEL ASSEMBLY

2D3-05197

4720-01-439-2370POSSIBLE MATCH

HOSE,NONMETALLIC

2D3-05192 IT NO 26

4820-01-440-7279POSSIBLE MATCH

VALVE,SAFETY RELIEF

RDHA-LBV-IAN/S

4820-01-441-5244POSSIBLE MATCH

COMPENSATOR VENT VA

2B3-06565

Frequently Asked Questions

What is NSN 4820-01-437-1071?

NSN 4820-01-437-1071 is a Valve,check, manufactured by Lake Shore Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-437-1071?

NSN 4820-01-437-1071 has 1 manufacturer part number on file: 2D3-05192 NO. 106 (Lake Shore Systems, Inc.).

What NSN replaces 4820-01-437-1071?

8 possible matches (shared part number, not a government interchangeability claim): 4330-01-437-4035, 4320-01-437-4246, 4730-01-437-4247. Verify interchangeability with system specifications before substitution.

What are the specifications of 2D3-05192 NO. 106?

Key specifications for 2D3-05192 NO. 106: Flow Control Device: DISK; Connection Style: PLAIN (TUBE) ALL ENDS; Mounting Position: HORIZONTAL OR VERTICAL; Minimum Operating Temp: -20.0 FAHRENHEIT DEGF. 19 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-437-1071 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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