Seat, Valve4820-00-035-9596

NSN 4820-00-035-9596 · NIIN 000359596 · Part number 10591A

Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 04537

Government record, cited

NSN 4820-00-035-9596 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-035-9596. Manufacturer of record part number: 10591A.

Also searched as 4820-00-035-9596 · 4820000359596 · NIIN 000359596 · 00-035-9596 · FSC 4820 Valves, Nonpowered · CAGE 04537 · 10591A

Nearby stock numbers ← 4820-00-035-9595 · 4820-00-035-9597 Seat, Valve →

4820-00-035-9596 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa

Identification

NSN: 4820-00-035-9596
NIIN: 000359596
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 10591A
Manufacturer: Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa

General Description

The Seat,valve, cataloged under National Stock Number 4820-00-035-9596, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Seat,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (CAGE 04537)

Technical Specifications

Parameter	Value
NSN	4820-00-035-9596
Primary Part Number	10591A
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

⇄ Related Items 1

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

5995-00-786-4574 POSSIBLE MATCH

CORD ASSEMBLY,ELECTRICAL

Possible match (shared part number)

Cross-Reference Index

Part Number	Manufacturer
10591A PRIMARY	Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)

Related Parts

5995-00-786-4574POSSIBLE MATCH

CORD ASSEMBLY,ELECTRICAL

Frequently Asked Questions

What is NSN 4820-00-035-9596?

NSN 4820-00-035-9596 is a Seat,valve, manufactured by Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-035-9596?

NSN 4820-00-035-9596 has 1 manufacturer part number on file: 10591A (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa).

What NSN replaces 4820-00-035-9596?

1 possible match (shared part number, not a government interchangeability claim): 5995-00-786-4574. Verify interchangeability with system specifications before substitution.

Is NSN 4820-00-035-9596 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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