Valve, Check4820-01-181-0048

NSN 4820-01-181-0048 · NIIN 011810048

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-181-0048 · 4820011810048 · NIIN 011810048 · 01-181-0048 · FSC 4820 Valves, Nonpowered · 450-0032 · 450-0032 · CMM30B

Nearby stock numbers ← 4820-01-181-0047 Valve, Globe · 4820-01-181-0051 Valve, Vent →

4820-01-181-0048 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: BALL
Connection Style: PLAIN (PIPE) ALL ENDS
Mounting Position: HORIZONTAL OR VERTICAL
Connection Type: THREADED EXTERNAL PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Thread Direction: RIGHT-HAND FIRST END
Nominal Thread Size: 0.500 INCHES FIRST END IN

Identification

NSN: 4820-01-181-0048
NIIN: 011810048
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,check, cataloged under National Stock Number 4820-01-181-0048, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-181-0048
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flow Control Device	BALL
Connection Style	PLAIN (PIPE) ALL ENDS
Mounting Position	HORIZONTAL OR VERTICAL
Connection Type	THREADED EXTERNAL PIPE ALL ENDS
Style Designator	STRAIGHT THRU
Thread Direction	RIGHT-HAND FIRST END
Nominal Thread Size	0.500 INCHES FIRST END IN
Material	COPPER ALLOY BODY
Thread Series Designator	NPTF 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

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

Reference documents

Reference	Meaning
450-0032	5/9 Secondary reference Minnpar, Llc Dba Minnpar
450-0032	5/9 Secondary reference Grove U.s. Llc Dba Grove Us Llc
CMM30B	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 4820-01-181-0048?

NSN 4820-01-181-0048 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-181-0048?

Key specifications for 4820-01-181-0048: Flow Control Device: BALL; Connection Style: PLAIN (PIPE) ALL ENDS; Mounting Position: HORIZONTAL OR VERTICAL; Connection Type: THREADED EXTERNAL PIPE ALL ENDS. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-181-0048 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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