PartsTable TECHNICAL DATA SHEET

NSN 1660-01-140-4077Government record, cited

Duct Assembly, Air Conditioning-H1660-01-140-4077

NSN 1660-01-140-4077 · NIIN 011404077 · Part number SK2358-202

Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 14711

Government record, cited

NSN 1660-01-140-4077 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-140-4077. Manufacturer of record part number: SK2358-202.

Also searched as 1660-01-140-4077 · 1660011404077 · NIIN 011404077 · 01-140-4077 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 14711 · SK2358-202

Nearby stock numbers ← 1660-01-140-2139 Controller, Air Pressure, Aircraft · 1660-01-140-4079 Duct Assembly, Air Conditioning-H →

Features

Duct Assembly,air Conditioning-H — FSC 1660
1 manufacturer part number on file
Manufacturer of record: Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc

Identification

NSN: 1660-01-140-4077
NIIN: 011404077
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: SK2358-202
Manufacturer: Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc

General Description

The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-140-4077, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Rsa Engineered Products, Llc Dba Rsa Engineered Products 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.

Technical Specifications

Parameter	Value
NSN	1660-01-140-4077
Primary Part Number	SK2358-202
Item Name	Duct Assembly,air Conditioning-H
FSC / FSG	1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer	Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL B — Remove Demilitarization Key Points
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
SK2358-202 PRIMARY	Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc (USA)

No interchangeability data on file.

Other items in FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment

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

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1660-00-019-8399

1660-00-019-8399 · Item name not on file

1660-00-031-5285

1660-00-031-5285 · Item name not on file

1660-00-302-4390

PISTON,REGULATING V

1660-00-441-0575

PISTON

1660-01-601-0729

ETHERNET SWITCH

Frequently Asked Questions

What is NSN 1660-01-140-4077?

NSN 1660-01-140-4077 is a Duct Assembly,air Conditioning-H, manufactured by Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What part numbers are listed for NSN 1660-01-140-4077?

NSN 1660-01-140-4077 has 1 manufacturer part number on file: SK2358-202 (Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc).

What are the specifications of SK2358-202?

Key specifications for SK2358-202: End Item Identification: AIRCRAFT MODEL F-18. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1660-01-140-4077 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.

What is the DEMIL code for NSN 1660-01-140-4077?

NSN 1660-01-140-4077 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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