PartsTable TECHNICAL DATA SHEET

NSN 4820-01-666-4716Government record, cited

Parts Kit, Ball Valve4820-01-666-4716

NSN 4820-01-666-4716 · NIIN 016664716 · Part number 3"-6RK51T

Flowserve Us Inc. Div Flowserve Cookeville Valve Operation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 28740

Government record, cited

NSN 4820-01-666-4716 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-666-4716. Manufacturer of record part number: 3"-6RK51T.

Also searched as 4820-01-666-4716 · 4820016664716 · NIIN 016664716 · 01-666-4716 · FSC 4820 Valves, Nonpowered · CAGE 28740 · 3"-6RK51T

Nearby stock numbers ← 4820-01-666-4685 Cover Plate, Valve · 4820-01-666-4783 Valve, Check →

4820-01-666-4716 — Valves, Nonpowered

Features

Parts Kit,ball Valve — FSC 4820
Component Document Origin: INDUSTRIAL
1 manufacturer part number on file
Manufacturer of record: Flowserve Us Inc. Div Flowserve Cookeville Valve Operation

Identification

NSN: 4820-01-666-4716
NIIN: 016664716
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3"-6RK51T
Manufacturer: Flowserve Us Inc. Div Flowserve Cookeville Valve Operation

General Description

The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-666-4716, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowserve Us Inc. Div Flowserve Cookeville Valve Operation. 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	4820-01-666-4716
Primary Part Number	3"-6RK51T
Item Name	Parts Kit,ball Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Flowserve Us Inc. Div Flowserve Cookeville Valve Operation
Status	ACTIVE
Component Document Origin	INDUSTRIAL

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
3"-6RK51T PRIMARY	Flowserve Us Inc. Div Flowserve Cookeville Valve Operation (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 4820-01-666-4716?

NSN 4820-01-666-4716 is a Parts Kit,ball Valve, manufactured by Flowserve Us Inc. Div Flowserve Cookeville Valve Operation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-666-4716?

NSN 4820-01-666-4716 has 1 manufacturer part number on file: 3"-6RK51T (Flowserve Us Inc. Div Flowserve Cookeville Valve Operation).

What are the specifications of 3"-6RK51T?

Key specifications for 3"-6RK51T: Component Document Origin: INDUSTRIAL; Special Features: SIZE VALVE 3 INCHES IN; Part Name Assigned by Controlling Agency: BALL VALVE REPAIR KIT. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-666-4716 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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