Pilot Opp Valve4820-01-137-3629

NSN 4820-01-137-3629 · NIIN 011373629 · Part number CM32D63WYCY89X2207

Columbia Machine Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 34462

Government record, cited

NSN 4820-01-137-3629 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-137-3629. Manufacturer of record part number: CM32D63WYCY89X2207.

Also searched as 4820-01-137-3629 · 4820011373629 · NIIN 011373629 · 01-137-3629 · FSC 4820 Valves, Nonpowered · CAGE 34462 · CM32D63WYCY89X2207

Nearby stock numbers ← 4820-01-137-3628 D Control Valve · 4820-01-137-3634 Valve →

4820-01-137-3629 — Valves, Nonpowered

Features

Pilot Opp Valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Columbia Machine Inc

Identification

NSN: 4820-01-137-3629
NIIN: 011373629
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: CM32D63WYCY89X2207
Manufacturer: Columbia Machine Inc

General Description

The Pilot Opp Valve, cataloged under National Stock Number 4820-01-137-3629, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Columbia Machine Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Pilot Opp Valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Columbia Machine Inc (CAGE 34462)

Technical Specifications

Parameter	Value
NSN	4820-01-137-3629
Primary Part Number	CM32D63WYCY89X2207
Item Name	Pilot Opp Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Columbia Machine Inc
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
CM32D63WYCY89X2207 PRIMARY	Columbia Machine Inc (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 4820-01-137-3629?

NSN 4820-01-137-3629 is a Pilot Opp Valve, manufactured by Columbia Machine Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-137-3629?

NSN 4820-01-137-3629 has 1 manufacturer part number on file: CM32D63WYCY89X2207 (Columbia Machine Inc).

Is NSN 4820-01-137-3629 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.

PartsTable Design LLC · partstable.com