Valve, Vent4820-01-616-0402

NSN 4820-01-616-0402 · NIIN 016160402 · Part number KN-31527

Haldex Brake Products Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 06721

Government record, cited

NSN 4820-01-616-0402 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-616-0402. Manufacturer of record part number: KN-31527.

Also searched as 4820-01-616-0402 · 4820016160402 · NIIN 016160402 · 01-616-0402 · FSC 4820 Valves, Nonpowered · CAGE 06721 · KN-31527

Nearby stock numbers ← 4820-01-616-0364 Valve, Ball · 4820-01-616-0420 Valve, Exhaust Control →

4820-01-616-0402 — Valves, Nonpowered

Features

Valve,vent — FSC 4820
Style Designator: SCREW-IN CARTRIDGE
1 manufacturer part number on file
Manufacturer of record: Haldex Brake Products Corporation

Identification

NSN: 4820-01-616-0402
NIIN: 016160402
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: KN-31527
Manufacturer: Haldex Brake Products Corporation

General Description

The Valve,vent, cataloged under National Stock Number 4820-01-616-0402, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Haldex Brake Products Corporation. 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	4820-01-616-0402
Primary Part Number	KN-31527
Item Name	Valve,vent
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Haldex Brake Products Corporation
Status	ACTIVE
Style Designator	SCREW-IN CARTRIDGE

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
KN-31527 PRIMARY	Haldex Brake Products Corporation (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 4820-01-616-0402?

NSN 4820-01-616-0402 is a Valve,vent, manufactured by Haldex Brake Products Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-616-0402?

NSN 4820-01-616-0402 has 1 manufacturer part number on file: KN-31527 (Haldex Brake Products Corporation).

What are the specifications of KN-31527?

Key specifications for KN-31527: Style Designator: SCREW-IN CARTRIDGE; Special Features: ITEM IS DESIGNED TO PROTECT FROM DAMAGE DUE TO EXCESSIVE PRESSURE. MADE FROM BRASS AND STAINLESS STEEL, ITEM WILL NOT RUST OR CORRODE. BODY STYLE IS CLOSED, THREAD SIZE IS 3/8 INCH. PSI RATING IS 175. APPROXIMATE WEIGHT IS .3 LBS. LBS; Part Name Assigned by Controlling Agency: PRESSURE RELIEF VALVE; End Item Identification: 2320-01-565-3428. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-616-0402 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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