PartsTable TECHNICAL DATA SHEET

NSN 4820-01-331-8875Government record, cited

Disk, Valve4820-01-331-8875

NSN 4820-01-331-8875 · NIIN 013318875 · Part number AB-B730-2D4

Pall Aeropower Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 18350

Government record, cited

NSN 4820-01-331-8875 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-331-8875. Manufacturer of record part number: AB-B730-2D4.

Also searched as 4820-01-331-8875 · 4820013318875 · NIIN 013318875 · 01-331-8875 · FSC 4820 Valves, Nonpowered · CAGE 18350 · AB-B730-2D4

Nearby stock numbers ← 4820-01-331-8836 Stem, Fluid Valve · 4820-01-331-8876 Disk, Valve →

4820-01-331-8875 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Flange Diameter: 0.440 INCHES NOMINAL IN
Style Designator: POPPET
Material Document and Classification: AISI 303 ASSN STD SINGLE MATERIAL RESPONSE
Material: STEEL COMP 303
1 manufacturer part number on file
Manufacturer of record: Pall Aeropower Corporation

Identification

NSN: 4820-01-331-8875
NIIN: 013318875
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: AB-B730-2D4
Manufacturer: Pall Aeropower Corporation

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-331-8875, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pall Aeropower Corporation. Government technical data includes 4 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	4820-01-331-8875
Primary Part Number	AB-B730-2D4
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Pall Aeropower Corporation
Status	ACTIVE
Flange Diameter	0.440 INCHES NOMINAL IN
Style Designator	POPPET
Material Document and Classification	AISI 303 ASSN STD SINGLE MATERIAL RESPONSE
Material	STEEL COMP 303

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
AB-B730-2D4 PRIMARY	Pall Aeropower Corporation (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 4820-01-331-8875?

NSN 4820-01-331-8875 is a Disk,valve, manufactured by Pall Aeropower Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-331-8875?

NSN 4820-01-331-8875 has 1 manufacturer part number on file: AB-B730-2D4 (Pall Aeropower Corporation).

What are the specifications of AB-B730-2D4?

Key specifications for AB-B730-2D4: Flange Diameter: 0.440 INCHES NOMINAL IN; Style Designator: POPPET; Material Document and Classification: AISI 303 ASSN STD SINGLE MATERIAL RESPONSE; End Item Identification: 1520-01-106-9519. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-331-8875 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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