Valve, Ball4820-01-667-4479

NSN 4820-01-667-4479 · NIIN 016674479 · Part number 4912K1

Mcmaster-Carr Supply Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 39428

Government record, cited

NSN 4820-01-667-4479 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-667-4479. Manufacturer of record part number: 4912K1.

Also searched as 4820-01-667-4479 · 4820016674479 · NIIN 016674479 · 01-667-4479 · FSC 4820 Valves, Nonpowered · CAGE 39428 · 4912K1 · 02512

Nearby stock numbers ← 4820-01-667-4342 Retainer, Seat, Valve · 4820-01-667-4621 Valve, Check →

4820-01-667-4479 — Valves, Nonpowered

Features

Valve,ball — FSC 4820
Flange Shape: HEXAGON WITH HOLES FIRST END
Nominal Length: 1.687 INCHES ALL ENDS IN
Nominal Thread Size: 0.125 INCHES FIRST END IN
Surface Treatment: CHROMIUM
Nominal Width: 1.625 INCHES ALL ENDS IN
Thread Quantity Per Inch: 27 FIRST END
Material: TIN ALLOY AND COPPER ALLOY OVERALL

Identification

NSN: 4820-01-667-4479
NIIN: 016674479
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 4912K1
Manufacturer: Mcmaster-Carr Supply Co

General Description

The Valve,ball, cataloged under National Stock Number 4820-01-667-4479, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-667-4479
Primary Part Number	4912K1
Item Name	Valve,ball
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Mcmaster-Carr Supply Co
Status	ACTIVE
Flange Shape	HEXAGON WITH HOLES FIRST END
Nominal Length	1.687 INCHES ALL ENDS IN
Nominal Thread Size	0.125 INCHES FIRST END IN
Surface Treatment	CHROMIUM
Nominal Width	1.625 INCHES ALL ENDS IN
Thread Quantity Per Inch	27 FIRST END
Material	TIN ALLOY AND COPPER ALLOY OVERALL
Thread Series Designator	NPT FIRST END

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
4912K1 PRIMARY	Mcmaster-Carr Supply Co (USA)
02512	Tru-Hitch, Inc. (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 4820-01-667-4479?

NSN 4820-01-667-4479 is a Valve,ball, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-667-4479?

NSN 4820-01-667-4479 has 2 manufacturer part numbers on file: 4912K1 (Mcmaster-Carr Supply Co), 02512 (Tru-Hitch, Inc.).

What are the specifications of 4912K1?

Key specifications for 4912K1: Flange Shape: HEXAGON WITH HOLES FIRST END; Nominal Length: 1.687 INCHES ALL ENDS IN; Nominal Thread Size: 0.125 INCHES FIRST END IN; Special Features: BRASS MATERIAL, 0.26 THREAD ENGAGEMENT, 0.812 HEXAGON. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-667-4479 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.

PartsTable Design LLC · partstable.com