PartsTable TECHNICAL DATA SHEET

NSN 4820-01-643-0657Government record, cited

Valve, Ball4820-01-643-0657

NSN 4820-01-643-0657 · NIIN 016430657 · Part number T-585-S6-R-66-LL 2 INCH

Core & Main Lp Dba Hd Supply Fire Protection Inc., Duns 02-912-7586) · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 4NHU9

Government record, cited

NSN 4820-01-643-0657 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-643-0657. Manufacturer of record part number: T-585-S6-R-66-LL 2 INCH.

Also searched as 4820-01-643-0657 · 4820016430657 · NIIN 016430657 · 01-643-0657 · FSC 4820 Valves, Nonpowered · CAGE 4NHU9 · T-585-S6-R-66-LL 2 INCH

Nearby stock numbers ← 4820-01-643-0524 Valve, Ball · 4820-01-643-0744 Stem, Fluid Valve →

4820-01-643-0657 — Valves, Nonpowered

Features

Valve,ball — FSC 4820
Nominal Length: 5.00 INCHES ALL ENDS IN
Valve Size: 2.0 INCHES IN
Material: STEEL OVERALL
1 manufacturer part number on file
Manufacturer of record: Core & Main Lp Dba Hd Supply Fire Protection Inc., Duns 02-912-7586)

Identification

NSN: 4820-01-643-0657
NIIN: 016430657
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: T-585-S6-R-66-LL 2 INCH
Manufacturer: Core & Main Lp Dba Hd Supply Fire Protection Inc., Duns 02-912-7586)

General Description

The Valve,ball, cataloged under National Stock Number 4820-01-643-0657, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Core & Main Lp Dba Hd Supply Fire Protection Inc., Duns 02-912-7586). Government technical data includes 3 specifications, 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	4820-01-643-0657
Primary Part Number	T-585-S6-R-66-LL 2 INCH
Item Name	Valve,ball
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Core & Main Lp Dba Hd Supply Fire Protection Inc., Duns 02-912-7586)
Status	ACTIVE
Nominal Length	5.00 INCHES ALL ENDS IN
Valve Size	2.0 INCHES IN
Material	STEEL OVERALL

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
T-585-S6-R-66-LL 2 INCH PRIMARY	Core & Main Lp Dba Hd Supply Fire Protection Inc., Duns 02-912-7586) (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 4820-01-643-0657?

NSN 4820-01-643-0657 is a Valve,ball, manufactured by Core & Main Lp Dba Hd Supply Fire Protection Inc., Duns 02-912-7586), classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-643-0657?

NSN 4820-01-643-0657 has 1 manufacturer part number on file: T-585-S6-R-66-LL 2 INCH (Core & Main Lp Dba Hd Supply Fire Protection Inc., Duns 02-912-7586)).

What are the specifications of T-585-S6-R-66-LL 2 INCH?

Key specifications for T-585-S6-R-66-LL 2 INCH: Nominal Length: 5.00 INCHES ALL ENDS IN; Valve Size: 2.0 INCHES IN; Special Features: WEIGHT: 7.99 LBS LBS; Part Name Assigned by Controlling Agency: VALVE, BALL, SS TYPE 316, 2". 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-643-0657 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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