Parts Kit, Check Valve4820-01-643-3143

NSN 4820-01-643-3143 · NIIN 016433143 · Part number 509-RPR-012

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 76364

Government record, cited

NSN 4820-01-643-3143 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-643-3143. Manufacturer of record part number: 509-RPR-012.

Also searched as 4820-01-643-3143 · 4820016433143 · NIIN 016433143 · 01-643-3143 · FSC 4820 Valves, Nonpowered · CAGE 76364 · 509-RPR-012

Nearby stock numbers ← 4820-01-643-3121 Seat, Valve · 4820-01-643-3205 Valve, Regulating, Fluid Pressure →

4820-01-643-3143 — Valves, Nonpowered

Features

Parts Kit,check Valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc

Identification

NSN: 4820-01-643-3143
NIIN: 016433143
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 509-RPR-012
Manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc

General Description

The Parts Kit,check Valve, cataloged under National Stock Number 4820-01-643-3143, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. 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	4820-01-643-3143
Primary Part Number	509-RPR-012
Item Name	Parts Kit,check Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Milwaukee Valve Co, Inc Div Milwaukee Valve Company, 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
509-RPR-012 PRIMARY	Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (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 4820-01-643-3143?

NSN 4820-01-643-3143 is a Parts Kit,check Valve, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-643-3143?

NSN 4820-01-643-3143 has 1 manufacturer part number on file: 509-RPR-012 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What are the specifications of 509-RPR-012?

Key specifications for 509-RPR-012: Part Name Assigned by Controlling Agency: REPAIR KIT; End Item Identification: VALVE, SWING CHECK. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-643-3143 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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