Valve, Vent4820-01-284-8991

NSN 4820-01-284-8991 · NIIN 012848991 · Part number C4168-49FHS-150 PIECE 37

Kraissl Co Inc the · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 34294

Government record, cited

NSN 4820-01-284-8991 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-284-8991. Manufacturer of record part number: C4168-49FHS-150 PIECE 37.

Also searched as 4820-01-284-8991 · 4820012848991 · NIIN 012848991 · 01-284-8991 · FSC 4820 Valves, Nonpowered · CAGE 34294 · C4168-49FHS-150 PIECE 37

Nearby stock numbers ← 4820-01-284-8990 Disk, Valve · 4820-01-284-9000 Indicator, Valve Opening →

4820-01-284-8991 — Valves, Nonpowered

Features

Valve,vent — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Kraissl Co Inc the

Identification

NSN: 4820-01-284-8991
NIIN: 012848991
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: C4168-49FHS-150 PIECE 37
Manufacturer: Kraissl Co Inc the

General Description

The Valve,vent, cataloged under National Stock Number 4820-01-284-8991, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kraissl Co Inc the. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,vent
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Kraissl Co Inc the (CAGE 34294)

Technical Specifications

Parameter	Value
NSN	4820-01-284-8991
Primary Part Number	C4168-49FHS-150 PIECE 37
Item Name	Valve,vent
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Kraissl Co Inc the
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
C4168-49FHS-150 PIECE 37 PRIMARY	Kraissl Co Inc the (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 4820-01-284-8991?

NSN 4820-01-284-8991 is a Valve,vent, manufactured by Kraissl Co Inc the, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-284-8991?

NSN 4820-01-284-8991 has 1 manufacturer part number on file: C4168-49FHS-150 PIECE 37 (Kraissl Co Inc the).

Is NSN 4820-01-284-8991 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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