Disk, Valve4820-01-070-8259

NSN 4820-01-070-8259 · NIIN 010708259 · Part number 19321A

Myers F E Co Sub of Pentair Corp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 42223

Government record, cited

NSN 4820-01-070-8259 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-070-8259. Manufacturer of record part number: 19321A.

Also searched as 4820-01-070-8259 · 4820010708259 · NIIN 010708259 · 01-070-8259 · FSC 4820 Valves, Nonpowered · CAGE 42223 · 19321A

Nearby stock numbers ← 4820-01-070-8258 Plunger, Brake Valve · 4820-01-070-8264 →

4820-01-070-8259 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Lower Surface Width: 0.078 INCHES NOMINAL IN
Shoulder Width: 0.577 INCHES NOMINAL IN
Shoulder Height: 0.250 INCHES NOMINAL IN
Outside Diameter: 2.074 INCHES NOMINAL IN
Style Designator: PLAIN
Inside Diameter: 0.765 INCHES NOMINAL IN
Material: PLASTIC

Identification

NSN: 4820-01-070-8259
NIIN: 010708259
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 19321A
Manufacturer: Myers F E Co Sub of Pentair Corp

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-070-8259, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Myers F E Co Sub of Pentair Corp. Government technical data includes 7 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	4820-01-070-8259
Primary Part Number	19321A
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Myers F E Co Sub of Pentair Corp
Status	ACTIVE
Lower Surface Width	0.078 INCHES NOMINAL IN
Shoulder Width	0.577 INCHES NOMINAL IN
Shoulder Height	0.250 INCHES NOMINAL IN
Outside Diameter	2.074 INCHES NOMINAL IN
Style Designator	PLAIN
Inside Diameter	0.765 INCHES NOMINAL IN
Material	PLASTIC

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
19321A	Calder Ltd (GBR)
19321A PRIMARY	Myers F E Co Sub of Pentair Corp (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 4820-01-070-8259?

NSN 4820-01-070-8259 is a Disk,valve, manufactured by Myers F E Co Sub of Pentair Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-070-8259?

NSN 4820-01-070-8259 has 2 manufacturer part numbers on file: 19321A (Calder Ltd), 19321A (Myers F E Co Sub of Pentair Corp).

What are the specifications of 19321A?

Key specifications for 19321A: Overall Height: 0.345 INCHES NOMINAL IN; Lower Surface Width: 0.078 INCHES NOMINAL IN; Shoulder Width: 0.577 INCHES NOMINAL IN; Shoulder Height: 0.250 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-070-8259 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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