Valve, Check4820-01-652-5238

NSN 4820-01-652-5238 · NIIN 016525238 · Part number 7407155

Knight Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 4H5D6

Government record, cited

NSN 4820-01-652-5238 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-652-5238. Manufacturer of record part number: 7407155.

Also searched as 4820-01-652-5238 · 4820016525238 · NIIN 016525238 · 01-652-5238 · FSC 4820 Valves, Nonpowered · CAGE 4H5D6 · 7407155

Nearby stock numbers ← 4820-01-652-5193 Valve, Check · 4820-01-652-5271 Valve, Regulating, Fluid Pressure →

4820-01-652-5238 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Mounting Position: VERTICAL
Connection Type: THREADED INTERNAL PIPE FIRST END
1 manufacturer part number on file
Manufacturer of record: Knight Inc

Identification

NSN: 4820-01-652-5238
NIIN: 016525238
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 7407155
Manufacturer: Knight Inc

General Description

The Valve,check, cataloged under National Stock Number 4820-01-652-5238, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Knight Inc. Government technical data includes 2 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	4820-01-652-5238
Primary Part Number	7407155
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Knight Inc
Status	ACTIVE
Mounting Position	VERTICAL
Connection Type	THREADED INTERNAL PIPE FIRST END

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
7407155 PRIMARY	Knight Inc (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 4820-01-652-5238?

NSN 4820-01-652-5238 is a Valve,check, manufactured by Knight Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-652-5238?

NSN 4820-01-652-5238 has 1 manufacturer part number on file: 7407155 (Knight Inc).

What are the specifications of 7407155?

Key specifications for 7407155: Mounting Position: VERTICAL; Connection Type: THREADED INTERNAL PIPE FIRST END; Special Features: AIRE-GAP ASSEMBLY VALVE IS RATED FOR 3 GALLONS PER MINUTE (GPM); Part Name Assigned by Controlling Agency: AIRE-GAP ASSEMBLY. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-652-5238 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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