Valve, Check4820-00-101-3689

NSN 4820-00-101-3689 · NIIN 001013689

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-00-101-3689 · 4820001013689 · NIIN 001013689 · 00-101-3689 · FSC 4820 Valves, Nonpowered · 8387883 · 8387883

Nearby stock numbers ← 4820-00-101-2841 · 4820-00-101-3690 →

4820-00-101-3689 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: POPPET
Connection Style: PLAIN (TUBE) FIRST END
Style Designator: STRAIGHT THRU DROP-IN CARTRIDGE
Material Document and Classification: QQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Disk Loading Method: SPRING
Material: STEEL OVERALL
Valve Operation Method: AUTOMATIC

Identification

NSN: 4820-00-101-3689
NIIN: 001013689
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,check, cataloged under National Stock Number 4820-00-101-3689, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-00-101-3689
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flow Control Device	POPPET
Connection Style	PLAIN (TUBE) FIRST END
Style Designator	STRAIGHT THRU DROP-IN CARTRIDGE
Material Document and Classification	QQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Disk Loading Method	SPRING
Material	STEEL OVERALL
Valve Operation Method	AUTOMATIC

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

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

Reference documents

Reference	Meaning
8387883	5/9 Secondary reference General Motors Corp
8387883	3/9 Design control — primary reference General Motors Corp Electro-Motive Div

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 4820-00-101-3689?

NSN 4820-00-101-3689 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-00-101-3689?

Key specifications for 4820-00-101-3689: Flow Control Device: POPPET; Connection Style: PLAIN (TUBE) FIRST END; Style Designator: STRAIGHT THRU DROP-IN CARTRIDGE; Material Document and Classification: QQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-101-3689 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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