Valve, Check4820-01-279-4560

NSN 4820-01-279-4560 · NIIN 012794560 · Part number Y-1-5-6

Todd Combustion Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 31923

Government record, cited

NSN 4820-01-279-4560 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-279-4560. Manufacturer of record part number: Y-1-5-6.

Also searched as 4820-01-279-4560 · 4820012794560 · NIIN 012794560 · 01-279-4560 · FSC 4820 Valves, Nonpowered · CAGE 31923 · Y-1-5-6 · D-42075 · D-42075 PIECE 17

Nearby stock numbers ← 4820-01-279-4559 Valve, Stop-Check · 4820-01-279-4565 →

4820-01-279-4560 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: CONE
Material: STEEL BODY
2 manufacturer part numbers on file
Manufacturer of record: Todd Combustion Inc

Identification

NSN: 4820-01-279-4560
NIIN: 012794560
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: Y-1-5-6
Manufacturer: Todd Combustion Inc

General Description

The Valve,check, cataloged under National Stock Number 4820-01-279-4560, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Todd Combustion Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-279-4560
Primary Part Number	Y-1-5-6
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Todd Combustion Inc
Status	ACTIVE
Flow Control Device	CONE
Material	STEEL 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
Y-1-5-6 PRIMARY	Todd Combustion Inc (USA)
D-42075 PIECE 17	Todd Combustion Inc (USA)

Reference documents

Reference	Meaning
D-42075	D/9 Drawing number reference only Todd Combustion Inc

Frequently Asked Questions

What is NSN 4820-01-279-4560?

NSN 4820-01-279-4560 is a Valve,check, manufactured by Todd Combustion Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-279-4560?

NSN 4820-01-279-4560 has 2 manufacturer part numbers on file: Y-1-5-6 (Todd Combustion Inc), D-42075 PIECE 17 (Todd Combustion Inc).

What are the specifications of Y-1-5-6?

Key specifications for Y-1-5-6: Flow Control Device: CONE; Material: STEEL BODY. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-279-4560 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