PartsTable TECHNICAL DATA SHEET

NSN 4820-01-430-2673Government record, cited

Seat, Valve4820-01-430-2673

NSN 4820-01-430-2673 · NIIN 014302673

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-430-2673 · 4820014302673 · NIIN 014302673 · 01-430-2673 · FSC 4820 Valves, Nonpowered · 9800037 · 52730A306

Nearby stock numbers ← 4820-01-430-2672 Valve, Gate · 4820-01-430-2675 Seat, Valve →

4820-01-430-2673 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Material: RUBBER BUNA N SEAT

Identification

NSN: 4820-01-430-2673
NIIN: 014302673
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-430-2673, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-430-2673
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
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

⇄ Related Items 4

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

4820-01-430-269251310E339 POSSIBLE MATCH

DISK,VALVE

Possible match (shared part number)Norriseal Norris Values Div Dba Dover Co

4820-01-430-2754R3030-64AA-HLD 26IN POSSIBLE MATCH

VALVE,BUTTERFLY

Possible match (shared part number)Dover Resources, Inc. Div Norriseal

4820-01-430-386751740E541 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Norriseal Norris Values Div Dba Dover Co

4820-01-430-892451590B067 POSSIBLE MATCH

PIN DISC,VALVE

Possible match (shared part number)Norriseal Norris Values Div Dba Dover Co

Cross-Reference Index

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

Reference documents

Reference	Meaning
9800037	D/9 Drawing number reference only U.S. Government activity
52730A306	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-430-2692POSSIBLE MATCH

DISK,VALVE

51310E339

4820-01-430-2754POSSIBLE MATCH

VALVE,BUTTERFLY

R3030-64AA-HLD 26IN

4820-01-430-3867POSSIBLE MATCH

STEM,FLUID VALVE

51740E541

4820-01-430-8924POSSIBLE MATCH

PIN DISC,VALVE

51590B067

Frequently Asked Questions

What is NSN 4820-01-430-2673?

NSN 4820-01-430-2673 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-430-2673?

4 possible matches (shared part number, not a government interchangeability claim): 4820-01-430-2692, 4820-01-430-2754, 4820-01-430-3867. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-430-2673?

Key specifications for 4820-01-430-2673: End Item Identification: BOB HOPE CLASS T-AKR 300; Material: RUBBER BUNA N SEAT. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-430-2673 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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