PartsTable TECHNICAL DATA SHEET

NSN 4820-01-500-7743Government record, cited

Valve, Check4820-01-500-7743

NSN 4820-01-500-7743 · NIIN 015007743 · Part number 321727A1

Cnh Industrial France · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE F2758

Government record, cited

NSN 4820-01-500-7743 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-500-7743. Manufacturer of record part number: 321727A1.

Also searched as 4820-01-500-7743 · 4820015007743 · NIIN 015007743 · 01-500-7743 · FSC 4820 Valves, Nonpowered · CAGE F2758 · 321727A1 · 1912R

Nearby stock numbers ← 4820-01-500-7677 Disk, Valve · 4820-01-500-7829 Valve, Safety Relief →

4820-01-500-7743 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: POPPET
Operating Pressure: 3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Face to Face Distance: 1.850 INCHES IN
Material: STEEL BODY
Material: STEEL STEM
Valve Operation Method: AUTOMATIC

Identification

NSN: 4820-01-500-7743
NIIN: 015007743
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 321727A1
Manufacturer: Cnh Industrial France

General Description

The Valve,check, cataloged under National Stock Number 4820-01-500-7743, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cnh Industrial France. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-500-7743
Primary Part Number	321727A1
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Cnh Industrial France
Status	ACTIVE
Flow Control Device	POPPET
Operating Pressure	3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp	250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Face to Face Distance	1.850 INCHES IN
Material	STEEL BODY
Material	STEEL STEM
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

Cross-Reference Index

Part Number	Manufacturer
321727A1	Cnh Industrial France (FRA)

Reference documents

Reference	Meaning
1912R	3/9 Design control — primary reference Vonberg Valve, Inc.

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-500-7743?

NSN 4820-01-500-7743 is a Valve,check, manufactured by Cnh Industrial France, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-500-7743?

NSN 4820-01-500-7743 has 1 manufacturer part number on file: 321727A1 (Cnh Industrial France).

What are the specifications of 321727A1?

Key specifications for 321727A1: Flow Control Device: POPPET; Operating Pressure: 3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF; Special Features: 25 GPM CAPACITY. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-500-7743 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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