Ball, Check4820-01-620-4081

NSN 4820-01-620-4081 · NIIN 016204081 · Part number 185-5511

Onan Corp Onan Power/electronics Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 3Z577

Government record, cited

NSN 4820-01-620-4081 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-620-4081. Manufacturer of record part number: 185-5511.

Also searched as 4820-01-620-4081 · 4820016204081 · NIIN 016204081 · 01-620-4081 · FSC 4820 Valves, Nonpowered · CAGE 3Z577 · 185-5511

Nearby stock numbers ← 4820-01-620-4066 Valve, Globe · 4820-01-620-4217 Disk, Valve →

4820-01-620-4081 — Valves, Nonpowered

Features

Ball,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Onan Corp Onan Power/electronics Div

Identification

NSN: 4820-01-620-4081
NIIN: 016204081
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 185-5511
Manufacturer: Onan Corp Onan Power/electronics Div

General Description

The Ball,check, cataloged under National Stock Number 4820-01-620-4081, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Onan Corp Onan Power/electronics Div. 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	4820-01-620-4081
Primary Part Number	185-5511
Item Name	Ball,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Onan Corp Onan Power/electronics Div
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
185-5511 PRIMARY	Onan Corp Onan Power/electronics Div (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 4820-01-620-4081?

NSN 4820-01-620-4081 is a Ball,check, manufactured by Onan Corp Onan Power/electronics Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-620-4081?

NSN 4820-01-620-4081 has 1 manufacturer part number on file: 185-5511 (Onan Corp Onan Power/electronics Div).

What are the specifications of 185-5511?

Key specifications for 185-5511: Part Name Assigned by Controlling Agency: BALL, BEARING; End Item Identification: 7.5KW GENERATOR, DIESEL ENGINE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-620-4081 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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