Seat, Valve4820-01-654-0105

NSN 4820-01-654-0105 · NIIN 016540105 · Part number A5-FS-1-5

Multiplex Mfg Co Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 41996

Government record, cited

NSN 4820-01-654-0105 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-654-0105. Manufacturer of record part number: A5-FS-1-5.

Also searched as 4820-01-654-0105 · 4820016540105 · NIIN 016540105 · 01-654-0105 · FSC 4820 Valves, Nonpowered · CAGE 41996 · A5-FS-1-5

Nearby stock numbers ← 4820-01-654-0083 Disk, Valve · 4820-01-654-0110 Valve, Ball →

4820-01-654-0105 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Style Designator: PLAIN
Material Document and Classification: ASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Material: RUBBER BUNA N SEAT
1 manufacturer part number on file
Manufacturer of record: Multiplex Mfg Co Inc

Identification

NSN: 4820-01-654-0105
NIIN: 016540105
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: A5-FS-1-5
Manufacturer: Multiplex Mfg Co Inc

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-654-0105, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Multiplex Mfg Co Inc. 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	4820-01-654-0105
Primary Part Number	A5-FS-1-5
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Multiplex Mfg Co Inc
Status	ACTIVE
Style Designator	PLAIN
Material Document and Classification	ASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Material	RUBBER BUNA N SEAT

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
A5-FS-1-5 PRIMARY	Multiplex Mfg Co 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 4820-01-654-0105?

NSN 4820-01-654-0105 is a Seat,valve, manufactured by Multiplex Mfg Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-654-0105?

NSN 4820-01-654-0105 has 1 manufacturer part number on file: A5-FS-1-5 (Multiplex Mfg Co Inc).

What are the specifications of A5-FS-1-5?

Key specifications for A5-FS-1-5: Style Designator: PLAIN; Material Document and Classification: ASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE SEAT; End Item Identification: 0.50 INCH AIR AND VACUUM VALVE IN; Material: RUBBER BUNA N SEAT. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-654-0105 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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