Valve, Regulating, System Pressure4820-01-311-1665

NSN 4820-01-311-1665 · NIIN 013111665 · Part number 81N-1/2

Kenneco Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0C584

Government record, cited

NSN 4820-01-311-1665 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-311-1665. Manufacturer of record part number: 81N-1/2.

Also searched as 4820-01-311-1665 · 4820013111665 · NIIN 013111665 · 01-311-1665 · FSC 4820 Valves, Nonpowered · CAGE 0C584 · 81N-1/2

Nearby stock numbers ← 4820-01-311-1664 · 4820-01-311-1686 CAGE, Valve →

4820-01-311-1665 — Valves, Nonpowered

Features

Valve,regulating,system Pressure — FSC 4820
Material: COPPER ALLOY BODY
1 manufacturer part number on file
Manufacturer of record: Kenneco Inc

Identification

NSN: 4820-01-311-1665
NIIN: 013111665
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 81N-1/2
Manufacturer: Kenneco Inc

General Description

The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-311-1665, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kenneco Inc. Government technical data includes 1 specification, 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	4820-01-311-1665
Primary Part Number	81N-1/2
Item Name	Valve,regulating,system Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Kenneco Inc
Status	ACTIVE
Material	COPPER ALLOY BODY

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
81N-1/2 PRIMARY	Kenneco 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 4820-01-311-1665?

NSN 4820-01-311-1665 is a Valve,regulating,system Pressure, manufactured by Kenneco Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-311-1665?

NSN 4820-01-311-1665 has 1 manufacturer part number on file: 81N-1/2 (Kenneco Inc).

What are the specifications of 81N-1/2?

Key specifications for 81N-1/2: End Item Identification: 30 GALLON STEAM JACKETED KETTLE; Material: COPPER ALLOY BODY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-311-1665 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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