PartsTable TECHNICAL DATA SHEET

NSN 4820-01-364-5247Government record, cited

Valve, Check4820-01-364-5247

NSN 4820-01-364-5247 · NIIN 013645247 · Part number 311235F91

Isotta Fraschini Motori Spa · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE A0106

Government record, cited

NSN 4820-01-364-5247 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-364-5247. Manufacturer of record part number: 311235F91.

Also searched as 4820-01-364-5247 · 4820013645247 · NIIN 013645247 · 01-364-5247 · FSC 4820 Valves, Nonpowered · CAGE A0106 · 311235F91

Nearby stock numbers ← 4820-01-364-4839 Valve, Check, Oxygen System · 4820-01-364-5248 Valve, Check →

4820-01-364-5247 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Isotta Fraschini Motori Spa

Identification

NSN: 4820-01-364-5247
NIIN: 013645247
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 311235F91
Manufacturer: Isotta Fraschini Motori Spa

General Description

The Valve,check, cataloged under National Stock Number 4820-01-364-5247, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Isotta Fraschini Motori Spa. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Valve,check
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Isotta Fraschini Motori Spa (CAGE A0106)

Technical Specifications

Parameter	Value
NSN	4820-01-364-5247
Primary Part Number	311235F91
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Isotta Fraschini Motori Spa
Status	ACTIVE

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
311235F91	Isotta Fraschini Motori Spa (ITA)

Reference documents

Reference	Meaning
311235F91	3/9 Design control — primary reference Grandi Motori Fincantieri /fggm/ 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 4820-01-364-5247?

NSN 4820-01-364-5247 is a Valve,check, manufactured by Isotta Fraschini Motori Spa, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-364-5247?

NSN 4820-01-364-5247 has 1 manufacturer part number on file: 311235F91 (Isotta Fraschini Motori Spa).

Is NSN 4820-01-364-5247 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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