Valve, Check4820-01-167-0820

NSN 4820-01-167-0820 · NIIN 011670820

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-167-0820 · 4820011670820 · NIIN 011670820 · 01-167-0820 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-01-167-0719 Disk, Valve · 4820-01-167-0821 Valve, Safety Relief →

4820-01-167-0820 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: POPPET
Connection Style: FLARED (TUBE) SECOND END
Connection Style: PLAIN (TUBE) FIRST END
Mounting Position: HORIZONTAL
Connection Type: UNTHREADED INTERNAL TUBE FIRST END
Connection Type: THREADED EXTERNAL TUBE SECOND END
Style Designator: STRAIGHT THRU

Identification

NSN: 4820-01-167-0820
NIIN: 011670820
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,check, cataloged under National Stock Number 4820-01-167-0820, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-167-0820
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flow Control Device	POPPET
Connection Style	FLARED (TUBE) SECOND END
Connection Style	PLAIN (TUBE) FIRST END
Mounting Position	HORIZONTAL
Connection Type	UNTHREADED INTERNAL TUBE FIRST END
Connection Type	THREADED EXTERNAL TUBE SECOND END
Style Designator	STRAIGHT THRU
Material Document and Classification	AISI 303 ASSN STD SINGLE MATERIAL RESPONSE BODY
Nominal Outside Diameter Tube Accommodated	0.500 INCHES FIRST END IN
Thread Direction	RIGHT-HAND SECOND END
Nominal Thread Size	0.750 INCHES SECOND END IN
Seat Angle	37.0 DEGREES SECOND END
Thread Class	3A SECOND END A
Material	STEEL COMP 303 BODY
Thread Series Designator	UNF SECOND 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

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

Reference documents

Reference	Meaning
216T-8BT(L)-3	3/2 Design control — primary 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 4820-01-167-0820?

NSN 4820-01-167-0820 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-167-0820?

Key specifications for 4820-01-167-0820: Flow Control Device: POPPET; Connection Style: FLARED (TUBE) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Mounting Position: HORIZONTAL. 16 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-167-0820 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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