Valve Fluid, by-Pass4820-01-219-8637

NSN 4820-01-219-8637 · NIIN 012198637

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-219-8637 · 4820012198637 · NIIN 012198637 · 01-219-8637 · FSC 4820 Valves, Nonpowered · 74-100-PMFFG-4 · PMFFG-2004

Nearby stock numbers ← 4820-01-219-8472 · 4820-01-219-8643 →

4820-01-219-8637 — Valves, Nonpowered

Features

Valve Fluid,by-Pass — FSC 4820

Identification

NSN: 4820-01-219-8637
NIIN: 012198637
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve Fluid,by-Pass, cataloged under National Stock Number 4820-01-219-8637, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Valve Fluid,by-Pass
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)

Technical Specifications

Parameter	Value
NSN	4820-01-219-8637
Item Name	Valve Fluid,by-Pass
FSC / FSG	4820 / 48 — Valves, Nonpowered
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

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

Reference documents

Reference	Meaning
74-100-PMFFG-4	3/9 Design control — primary reference Precision Laboratories Inc
PMFFG-2004	5/9 Secondary reference M and M Flow Products Inc

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 4820-01-219-8637?

NSN 4820-01-219-8637 is a Valve Fluid,by-Pass, classified under FSC 4820, Valves, Nonpowered. Status: active.

Is NSN 4820-01-219-8637 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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