PartsTable TECHNICAL DATA SHEET

NSN 1660-01-666-8699Government record, cited

Heat Exchanger, Air to Air, Aircra1660-01-666-8699

NSN 1660-01-666-8699 · NIIN 016668699 · Part number UPM092415-5006

Bannister Inc Div Ultra Precision Machining · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 1KZK6

Government record, cited

NSN 1660-01-666-8699 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-666-8699. Manufacturer of record part number: UPM092415-5006.

Also searched as 1660-01-666-8699 · 1660016668699 · NIIN 016668699 · 01-666-8699 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 1KZK6 · UPM092415-5006

Nearby stock numbers ← 1660-01-666-8145 Insulation Blanket, Thermal, Aircr · 1660-01-666-8805 Duct Assembly, Air Conditioning-H →

Features

Heat Exchanger,air to Air,aircra — FSC 1660
1 manufacturer part number on file
Manufacturer of record: Bannister Inc Div Ultra Precision Machining

Identification

NSN: 1660-01-666-8699
NIIN: 016668699
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: UPM092415-5006
Manufacturer: Bannister Inc Div Ultra Precision Machining

General Description

The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-01-666-8699, 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 Bannister Inc Div Ultra Precision Machining. 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	1660-01-666-8699
Primary Part Number	UPM092415-5006
Item Name	Heat Exchanger,air to Air,aircra
FSC / FSG	1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer	Bannister Inc Div Ultra Precision Machining
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
UPM092415-5006 PRIMARY	Bannister Inc Div Ultra Precision Machining (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.

1660-00-001-1693

DUCT ASSEMBLY,AIR CONDITIONING-H

1660-00-001-1754

BAFFLE,AIR

1660-00-001-2491

CAGE,BYPASS VALVE

1660-00-001-2493

1660-00-001-2493 · Item name not on file

1660-00-001-2496

CONTROL BOX,ELECTRICAL-ELECTRONI

1660-00-001-2497

1660-00-001-2497 · Item name not on file

1660-00-001-4130

1660-00-001-4130 · Item name not on file

1660-00-001-4479

CONTROLLER,AIR PRESSURE,AIRCRAFT

Frequently Asked Questions

What is NSN 1660-01-666-8699?

NSN 1660-01-666-8699 is a Heat Exchanger,air to Air,aircra, manufactured by Bannister Inc Div Ultra Precision Machining, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What part numbers are listed for NSN 1660-01-666-8699?

NSN 1660-01-666-8699 has 1 manufacturer part number on file: UPM092415-5006 (Bannister Inc Div Ultra Precision Machining).

What are the specifications of UPM092415-5006?

Key specifications for UPM092415-5006: End Item Identification: AV8B SUPPORT EQUIPMENT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1660-01-666-8699 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 1660-01-666-8699?

NSN 1660-01-666-8699 has DEMIL Code Q. 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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