PartsTable TECHNICAL DATA SHEET

NSN 4820-01-512-4741Government record, cited

Ball, Check4820-01-512-4741

NSN 4820-01-512-4741 · NIIN 015124741 · Part number 1HA182

Oshkosh Defense Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 75Q65

Government record, cited

NSN 4820-01-512-4741 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-512-4741. Manufacturer of record part number: 1HA182.

Also searched as 4820-01-512-4741 · 4820015124741 · NIIN 015124741 · 01-512-4741 · FSC 4820 Valves, Nonpowered · CAGE 75Q65 · 1HA182 · 7009265

Nearby stock numbers ← 4820-01-512-4196 Seat, Valve · 4820-01-512-4795 Valve, Ball →

4820-01-512-4741 — Valves, Nonpowered

Features

Ball,check — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 4820-01-512-4741
NIIN: 015124741
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1HA182
Manufacturer: Oshkosh Defense Llc

General Description

The Ball,check, cataloged under National Stock Number 4820-01-512-4741, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Oshkosh Defense Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	4820-01-512-4741
Primary Part Number	1HA182
Item Name	Ball,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Oshkosh Defense Llc
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
7009265	Manitex Inc (USA)
1HA182 PRIMARY	Oshkosh Defense Llc (USA)

Reference documents

Reference	Meaning
1HA182	3/9 Design control — primary reference Oshkosh Corp

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 4820-01-512-4741?

NSN 4820-01-512-4741 is a Ball,check, manufactured by Oshkosh Defense Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-512-4741?

NSN 4820-01-512-4741 has 2 manufacturer part numbers on file: 7009265 (Manitex Inc), 1HA182 (Oshkosh Defense Llc).

What are the specifications of 1HA182?

Key specifications for 1HA182: Part Name Assigned by Controlling Agency: CHECK BALL; End Item Identification: 2320-01-465-2260. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-512-4741 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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