PartsTable TECHNICAL DATA SHEET

NSN 4820-01-506-7175Government record, cited

Valve, Check4820-01-506-7175

NSN 4820-01-506-7175 · NIIN 015067175 · Part number 516-7314068 ITEM HEH-51

Naval Sea Systems Command · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53711

Government record, cited

NSN 4820-01-506-7175 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-506-7175. Manufacturer of record part number: 516-7314068 ITEM HEH-51.

Also searched as 4820-01-506-7175 · 4820015067175 · NIIN 015067175 · 01-506-7175 · FSC 4820 Valves, Nonpowered · CAGE 53711 · 516-7314068 ITEM HEH-51 · 2201D-20

Nearby stock numbers ← 4820-01-506-7161 Parts Kit, Valve · 4820-01-506-7187 Valve, Regulating, Temperature →

4820-01-506-7175 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command

Identification

NSN: 4820-01-506-7175
NIIN: 015067175
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 516-7314068 ITEM HEH-51
Manufacturer: Naval Sea Systems Command

General Description

The Valve,check, cataloged under National Stock Number 4820-01-506-7175, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,check
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Naval Sea Systems Command (CAGE 53711)

Technical Specifications

Parameter	Value
NSN	4820-01-506-7175
Primary Part Number	516-7314068 ITEM HEH-51
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Naval Sea Systems Command
Status	ACTIVE

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
516-7314068 ITEM HEH-51	Naval Sea Systems Command (USA)

Reference documents

Reference	Meaning
2201D-20	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 4820-01-506-7175?

NSN 4820-01-506-7175 is a Valve,check, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-506-7175?

NSN 4820-01-506-7175 has 1 manufacturer part number on file: 516-7314068 ITEM HEH-51 (Naval Sea Systems Command).

Is NSN 4820-01-506-7175 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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