PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2981Nozzle Collar

Aerospace Lighting Corporation · NSN 1660-01-433-9424 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-433-9424 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-433-9424. Primary manufacturer part number: 2981.
Features
  • Nozzle Collar — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Aerospace Lighting Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Nozzle Collar, cataloged under National Stock Number 1660-01-433-9424, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Aerospace Lighting Corporation. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-01-433-9424
Primary Part Number2981
Item NameNozzle Collar
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAerospace Lighting Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4920-00-167-0128 INTERCHANGEABLE
Fixture,aircraft Maintenance
6685-00-526-66492981 INTERCHANGEABLE
Pyrometer,indicating
Alnor Instrument Company
2915-00-613-5189 INTERCHANGEABLE
Seal
5950-00-803-9687618650 INTERCHANGEABLE
Transformer Assembly
Honeywell International Inc. Dba Honeywell International
2940-01-018-48731P7360 INTERCHANGEABLE
Filter Element,intake Air Cleane
Caterpillar Inc Div Caterpillar Defense
4820-01-238-62952981 INTERCHANGEABLE
Diaphragm,actuator Valve,special
Bauer Equipment America, Inc.
5330-01-256-9743772319 INTERCHANGEABLE
Gasket
Deutz Corporation
5305-01-271-6886 INTERCHANGEABLE
Screw,machine
5920-01-547-4765 INTERCHANGEABLE
Strap,wrist,electrostatic Discha
Cross-Reference Index
Part NumberManufacturer
2981 PRIMARY Aerospace Lighting Corporation (USA)
2981 Nellcor Puritan Benn System Co (USA)
Related Parts
4920-00-167-0128INTERCHANGEABLE
FIXTURE,AIRCRAFT MAINTENANCE
6685-00-526-6649INTERCHANGEABLE
PYROMETER,INDICATING
2981
2915-00-613-5189INTERCHANGEABLE
SEAL
5950-00-803-9687INTERCHANGEABLE
TRANSFORMER ASSEMBLY
618650
2940-01-018-4873INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
1P7360
4820-01-238-6295INTERCHANGEABLE
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
2981
5330-01-256-9743INTERCHANGEABLE
GASKET
772319
5305-01-271-6886INTERCHANGEABLE
SCREW,MACHINE
5920-01-547-4765INTERCHANGEABLE
STRAP,WRIST,ELECTROSTATIC DISCHA

Frequently Asked Questions

What is NSN 1660-01-433-9424?

NSN 1660-01-433-9424 is a Nozzle Collar, manufactured by Aerospace Lighting Corporation, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-01-433-9424?

NSN 1660-01-433-9424 has 2 cross-referenced part numbers: 2981 (Aerospace Lighting Corporation), 2981 (Nellcor Puritan Benn System Co).

What NSN replaces 1660-01-433-9424?

There are 9 known substitutes for 1660-01-433-9424: 4920-00-167-0128, 6685-00-526-6649, 2915-00-613-5189 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2981?

Key specifications for 2981: End Item Identification: 2540-01-233-7952. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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