Seat, Valve4820-01-233-8046

NSN 4820-01-233-8046 · NIIN 012338046

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-233-8046 · 4820012338046 · NIIN 012338046 · 01-233-8046 · FSC 4820 Valves, Nonpowered · DN-4516 · DN-4516 PIECE 2

Nearby stock numbers ← 4820-01-233-8045 Seat, Valve · 4820-01-233-8049 Valve, Regulating, Temperature →

4820-01-233-8046 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Body Outside Diameter: 13.312 INCHES NOMINAL IN
Style Designator: PLAIN
Body Inside Diameter: 11.938 INCHES NOMINAL IN
Material: NICKEL ALLOY OVERALL
Seating Surface Shape: FLAT

Identification

NSN: 4820-01-233-8046
NIIN: 012338046
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-233-8046, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-233-8046
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Body Outside Diameter	13.312 INCHES NOMINAL IN
Style Designator	PLAIN
Body Inside Diameter	11.938 INCHES NOMINAL IN
Material	NICKEL ALLOY 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

⇄ Related Items 2

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4820-01-233-8076DN-4516 PIECE 5 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Clow Corp Marine Valve Products Div

4820-01-233-8125DN-4516 PIECE 22 POSSIBLE MATCH

DISK,VALVE

Possible match (shared part number)Clow Corp Marine Valve Products Div

Cross-Reference Index

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

Reference documents

Reference	Meaning
DN-4516	D/9 Drawing number reference only U.S. Government activity
DN-4516 PIECE 2	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-233-8076POSSIBLE MATCH

STEM,FLUID VALVE

DN-4516 PIECE 5

4820-01-233-8125POSSIBLE MATCH

DISK,VALVE

DN-4516 PIECE 22

Frequently Asked Questions

What is NSN 4820-01-233-8046?

NSN 4820-01-233-8046 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-233-8046?

2 possible matches (shared part number, not a government interchangeability claim): 4820-01-233-8076, 4820-01-233-8125. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-233-8046?

Key specifications for 4820-01-233-8046: Overall Height: 1.031 INCHES NOMINAL IN; Body Outside Diameter: 13.312 INCHES NOMINAL IN; Style Designator: PLAIN; Body Inside Diameter: 11.938 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-233-8046 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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