Valve, Check4820-01-509-2870

NSN 4820-01-509-2870 · NIIN 015092870 · Part number 346D-1

Crane Carrier Company, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 03533

Government record, cited

NSN 4820-01-509-2870 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-509-2870. Manufacturer of record part number: 346D-1.

Also searched as 4820-01-509-2870 · 4820015092870 · NIIN 015092870 · 01-509-2870 · FSC 4820 Valves, Nonpowered · CAGE 03533 · 346D-1

Nearby stock numbers ← 4820-01-509-2868 Valve, Globe · 4820-01-509-2921 Valve, Regulating, Fluid Pressure →

4820-01-509-2870 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN
Mounting Position: HORIZONTAL OR VERTICAL
Style Designator: ANGLE
Nominal Thread Size: 0.500 INCHES SECOND END IN
Nominal Thread Size: 0.500 INCHES FIRST END IN
Thread Quantity Per Inch: 14 FIRST END
Thread Quantity Per Inch: 14 SECOND END

Identification

NSN: 4820-01-509-2870
NIIN: 015092870
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 346D-1
Manufacturer: Crane Carrier Company, Llc

General Description

The Valve,check, cataloged under National Stock Number 4820-01-509-2870, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Crane Carrier Company, Llc. Government technical data includes 10 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-509-2870
Primary Part Number	346D-1
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Crane Carrier Company, Llc
Status	ACTIVE
Nominal Pipe Size Accommodated	0.500 INCHES ALL ENDS IN
Mounting Position	HORIZONTAL OR VERTICAL
Style Designator	ANGLE
Nominal Thread Size	0.500 INCHES SECOND END IN
Nominal Thread Size	0.500 INCHES FIRST END IN
Thread Quantity Per Inch	14 FIRST END
Thread Quantity Per Inch	14 SECOND END
Thread Series Designator	NPTF SECOND END
Thread Series Designator	NPT FIRST END
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
346D-1 PRIMARY	Crane Carrier Company, Llc (USA)

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 4820-01-509-2870?

NSN 4820-01-509-2870 is a Valve,check, manufactured by Crane Carrier Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-509-2870?

NSN 4820-01-509-2870 has 1 manufacturer part number on file: 346D-1 (Crane Carrier Company, Llc).

What are the specifications of 346D-1?

Key specifications for 346D-1: Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN; Mounting Position: HORIZONTAL OR VERTICAL; Style Designator: ANGLE; Nominal Thread Size: 0.500 INCHES SECOND END IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-509-2870 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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