Fitting4240-01-339-1772

NSN 4240-01-339-1772 · NIIN 013391772 · Part number 520S0004

Air Cruisers Company, Llc · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 70167

Government record, cited

NSN 4240-01-339-1772 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-339-1772. Manufacturer of record part number: 520S0004.

Also searched as 4240-01-339-1772 · 4240013391772 · NIIN 013391772 · 01-339-1772 · FSC 4240 Safety and Rescue Equipment · CAGE 70167 · 520S0004

Nearby stock numbers ← 4240-01-339-1771 Shell · 4240-01-339-6866 Filter Unit, Gas-Particulate →

Features

Fitting — FSC 4240
1 manufacturer part number on file
Manufacturer of record: Air Cruisers Company, Llc

Identification

NSN: 4240-01-339-1772
NIIN: 013391772
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 520S0004
Manufacturer: Air Cruisers Company, Llc

General Description

The Fitting, cataloged under National Stock Number 4240-01-339-1772, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Air Cruisers Company, Llc. 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	Fitting
FSC / FSG	4240 — Safety and Rescue Equipment (FSG 42)
Manufacturers	Air Cruisers Company, Llc (CAGE 70167)

Technical Specifications

Parameter	Value
NSN	4240-01-339-1772
Primary Part Number	520S0004
Item Name	Fitting
FSC / FSG	4240 / 42 — Safety and Rescue Equipment
Manufacturer	Air Cruisers Company, Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)

Cross-Reference Index

Part Number	Manufacturer
520S0004 PRIMARY	Air Cruisers Company, Llc (USA)

No interchangeability data on file.

Other items in FSC 4240 — Safety and Rescue Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4240-00-001-1515

4240-00-001-1515 · Item name not on file

4240-00-001-2684

4240-00-001-2684 · Item name not on file

4240-00-006-0022

HOSE,EVACUATION

4240-00-007-4576

4240-00-007-4576 · Item name not on file

4240-00-007-8182

4240-00-007-8182 · Item name not on file

4240-00-007-8183

4240-00-007-8183 · Item name not on file

4240-00-007-8184

4240-00-007-8184 · Item name not on file

4240-00-007-8185

4240-00-007-8185 · Item name not on file

Frequently Asked Questions

What is NSN 4240-01-339-1772?

NSN 4240-01-339-1772 is a Fitting, manufactured by Air Cruisers Company, Llc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.

What part numbers are listed for NSN 4240-01-339-1772?

NSN 4240-01-339-1772 has 1 manufacturer part number on file: 520S0004 (Air Cruisers Company, Llc).

Is NSN 4240-01-339-1772 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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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