Valve, Check4820-01-601-6918

NSN 4820-01-601-6918 · NIIN 016016918

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-601-6918 · 4820016016918 · NIIN 016016918 · 01-601-6918 · FSC 4820 Valves, Nonpowered · MS28892-16SS · MIL-V-19069

Nearby stock numbers ← 4820-01-601-6917 Valve, Check · 4820-01-601-6980 Parts Kit, Safety Relief Valve →

4820-01-601-6918 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: POPPET
Connection Style: FLARELESS ALL ENDS
Connection Type: THREADED EXTERNAL TUBE ALL ENDS
Style Designator: STRAIGHT THRU
Nominal Outside Diameter Tube Accommodated: 1.000 INCHES FIRST END IN
Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Direction: RIGHT-HAND ALL ENDS

Identification

NSN: 4820-01-601-6918
NIIN: 016016918
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,check, cataloged under National Stock Number 4820-01-601-6918, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-601-6918
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flow Control Device	POPPET
Connection Style	FLARELESS ALL ENDS
Connection Type	THREADED EXTERNAL TUBE ALL ENDS
Style Designator	STRAIGHT THRU
Nominal Outside Diameter Tube Accommodated	1.000 INCHES FIRST END IN
Operating Pressure	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Direction	RIGHT-HAND ALL ENDS
Thread Class	3A ALL ENDS A
Thread Quantity Per Inch	12 ALL ENDS
Material	STEEL CORROSION RESISTING BODY
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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
MS28892-16SS	2/2 Government specification standardization U.S. Government activity
MIL-V-19069	4/1 Identification reference U.S. Government activity

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 4820-01-601-6918?

NSN 4820-01-601-6918 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-601-6918?

Key specifications for 4820-01-601-6918: Flow Control Device: POPPET; Connection Style: FLARELESS ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Style Designator: STRAIGHT THRU. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-601-6918 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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