Seat, Valve4820-01-103-0042

NSN 4820-01-103-0042 · NIIN 011030042 · Part number A2-B4359

Rix Industries · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 28953

Government record, cited

NSN 4820-01-103-0042 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-103-0042. Manufacturer of record part number: A2-B4359.

Also searched as 4820-01-103-0042 · 4820011030042 · NIIN 011030042 · 01-103-0042 · FSC 4820 Valves, Nonpowered · CAGE 28953 · A2-B4359 · 15-B2712

Nearby stock numbers ← 4820-01-102-9950 Cock, Drain · 4820-01-103-0043 Seat, Valve →

4820-01-103-0042 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Body Outside Diameter: 1.500 INCHES NOMINAL IN
Material: STEEL CORROSION RESISTING OVERALL
Seating Surface Shape: FLAT
2 manufacturer part numbers on file
Manufacturer of record: Rix Industries

Identification

NSN: 4820-01-103-0042
NIIN: 011030042
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: A2-B4359
Manufacturer: Rix Industries

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-103-0042, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rix Industries. Government technical data includes 3 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	4820-01-103-0042
Primary Part Number	A2-B4359
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Rix Industries
Status	ACTIVE
Body Outside Diameter	1.500 INCHES NOMINAL IN
Material	STEEL CORROSION RESISTING OVERALL
Seating Surface Shape	FLAT

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
15-B2712	Rix Industries (USA)
A2-B4359 PRIMARY	Rix Industries (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 4820-01-103-0042?

NSN 4820-01-103-0042 is a Seat,valve, manufactured by Rix Industries, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-103-0042?

NSN 4820-01-103-0042 has 2 manufacturer part numbers on file: 15-B2712 (Rix Industries), A2-B4359 (Rix Industries).

What are the specifications of A2-B4359?

Key specifications for A2-B4359: Overall Height: 0.463 INCHES NOMINAL IN; Body Outside Diameter: 1.500 INCHES NOMINAL IN; End Item Identification: 4310-01-093-2900; Material: STEEL CORROSION RESISTING OVERALL. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-103-0042 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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