Seat, Valve4820-01-487-0384

NSN 4820-01-487-0384 · NIIN 014870384 · Part number 178212-001

Automatic Switch Company Dba Asco · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 04845

Government record, cited

NSN 4820-01-487-0384 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-487-0384. Manufacturer of record part number: 178212-001.

Also searched as 4820-01-487-0384 · 4820014870384 · NIIN 014870384 · 01-487-0384 · FSC 4820 Valves, Nonpowered · CAGE 04845 · 178212-001 · AV 262534-1 ITEM 54

Nearby stock numbers ← 4820-01-487-0253 Parts Kit, Stop-Check Valve · 4820-01-487-0391 Disk, Valve →

4820-01-487-0384 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE BODY
Material: NICKEL ALLOY 400 BODY
2 manufacturer part numbers on file
Manufacturer of record: Automatic Switch Company Dba Asco

Identification

NSN: 4820-01-487-0384
NIIN: 014870384
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 178212-001
Manufacturer: Automatic Switch Company Dba Asco

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-487-0384, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-487-0384
Primary Part Number	178212-001
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Automatic Switch Company Dba Asco
Status	ACTIVE
Material Document and Classification	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE BODY
Material	NICKEL ALLOY 400 BODY

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
AV 262534-1 ITEM 54	Automatic Switch Company Dba Asco (USA)
178212-001 PRIMARY	Automatic Switch Company Dba Asco (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 4820-01-487-0384?

NSN 4820-01-487-0384 is a Seat,valve, manufactured by Automatic Switch Company Dba Asco, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-487-0384?

NSN 4820-01-487-0384 has 2 manufacturer part numbers on file: AV 262534-1 ITEM 54 (Automatic Switch Company Dba Asco), 178212-001 (Automatic Switch Company Dba Asco).

What are the specifications of 178212-001?

Key specifications for 178212-001: Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE BODY; Special Features: INCLUDES UPPER AND LOWER, FORM 1, COLD DRAWN, CLASS B; End Item Identification: E/I DEHYDRATOR; W/S LOS ANGELES CLASS SSN (688); Material: NICKEL ALLOY 400 BODY. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-487-0384 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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