PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2203945-2-1Limiter,air Flow

Honeywell International Inc. Div Aerospace - Torrance · NSN 1660-01-313-6634 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-313-6634 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-313-6634. Primary manufacturer part number: 2203945-2-1.
Features
  • Limiter,air Flow — FSC 1660
  • General Characteristics Item Description: BURST PRESSURE OF 497 PSIG AT 478 DEGREES F; PROOF PRESSURE OF 298 PSIG AT 478 DEGREES F
  • 3 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Div Aerospace - Torrance
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Limiter,air Flow, cataloged under National Stock Number 1660-01-313-6634, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-01-313-6634
Primary Part Number2203945-2-1
Item NameLimiter,air Flow
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
General Characteristics Item DescriptionBURST PRESSURE OF 497 PSIG AT 478 DEGREES F; PROOF PRESSURE OF 298 PSIG AT 478 DEGREES F
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4330-00-155-9673146802-1 INTERCHANGEABLE
Filter,fluid
Honeywell International Inc. Div Aerospace - Torrance
Cross-Reference Index
Part NumberManufacturer
2203945-2-1 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
2203945-2-1 Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto (CAN)
123SCEC5022-3 Northrop Grumman Systems Corporation (USA)
Related Parts
4330-00-155-9673INTERCHANGEABLE
FILTER,FLUID
146802-1

Frequently Asked Questions

What is NSN 1660-01-313-6634?

NSN 1660-01-313-6634 is a Limiter,air Flow, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-01-313-6634?

NSN 1660-01-313-6634 has 3 cross-referenced part numbers: 2203945-2-1 (Honeywell International Inc. Div Aerospace - Torrance), 2203945-2-1 (Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto), 123SCEC5022-3 (Northrop Grumman Systems Corporation).

What NSN replaces 1660-01-313-6634?

There is 1 known substitute for 1660-01-313-6634: 4330-00-155-9673. Verify interchangeability with system specifications before substitution.

What are the specifications of 2203945-2-1?

Key specifications for 2203945-2-1: General Characteristics Item Description: BURST PRESSURE OF 497 PSIG AT 478 DEGREES F; PROOF PRESSURE OF 298 PSIG AT 478 DEGREES F; End Item Identification: E-2C ACFT. 2 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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