Seat, Valve4820-00-010-2378

NSN 4820-00-010-2378 · NIIN 000102378

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-00-010-2378 · 4820000102378 · NIIN 000102378 · 00-010-2378 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-00-010-2377 · 4820-00-010-2383 Seat, Valve →

4820-00-010-2378 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Body Outside Diameter: 1.555 INCHES MINIMUM AND 1.565 INCHES MAXIMUM IN
Hardness Rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
Style Designator: PLAIN
Body Inside Diameter: 1.105 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
Seat Radius: 1.421 INCHES MINIMUM AND 1.423 INCHES MAXIMUM IN
Material: RUBBER POLYETHYLENE OVERALL
Seating Surface Shape: RADIAL

Identification

NSN: 4820-00-010-2378
NIIN: 000102378
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Seat,valve, cataloged under National Stock Number 4820-00-010-2378, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-00-010-2378
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Body Outside Diameter	1.555 INCHES MINIMUM AND 1.565 INCHES MAXIMUM IN
Hardness Rating	85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
Style Designator	PLAIN
Body Inside Diameter	1.105 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
Seat Radius	1.421 INCHES MINIMUM AND 1.423 INCHES MAXIMUM IN
Material	RUBBER POLYETHYLENE OVERALL
Seating Surface Shape	RADIAL

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
228-0823-41	3/9 Design control — primary reference Rockwell Intl Corp Flow Control Div

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 4820-00-010-2378?

NSN 4820-00-010-2378 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-00-010-2378?

Key specifications for 4820-00-010-2378: Overall Height: 0.250 INCHES NOMINAL IN; Body Outside Diameter: 1.555 INCHES MINIMUM AND 1.565 INCHES MAXIMUM IN; Hardness Rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM LOCATION NOT OTHERWISE SPECIFIED; Style Designator: PLAIN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-010-2378 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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