PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

974145-8Filter Assembly,air

Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) · NSN 1660-00-373-8320 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-373-8320 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-373-8320. Primary manufacturer part number: 974145-8.
Features
  • Filter Assembly,air — FSC 1660
  • FSC Application Data: ACFT PRESSURIZING EQUIP
  • General Characteristics Item Description: CONSIST OF BOLT 1,FILTER 1
  • 6 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter Assembly,air, cataloged under National Stock Number 1660-00-373-8320, 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. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-373-8320
Primary Part Number974145-8
Item NameFilter Assembly,air
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
StatusACTIVE
FSC Application DataACFT PRESSURIZING EQUIP
General Characteristics Item DescriptionCONSIST OF BOLT 1,FILTER 1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-081-2683666165-469 INTERCHANGEABLE
Transformer,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
2825-00-175-7724253-01 INTERCHANGEABLE
Weight Plate Assemb
Siemens Energy, Inc.
5977-00-379-0793 INTERCHANGEABLE
Brush,electrical Contact
4820-01-215-4328253-01 INTERCHANGEABLE
Plunger,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4130-01-223-00812530-1 INTERCHANGEABLE
Housing
B/e Aerospace, Inc.
5330-01-299-7319 INTERCHANGEABLE
Seal,plain
4820-01-385-9045 INTERCHANGEABLE
Valve,check
1560-01-548-388925301 INTERCHANGEABLE
Lens Window Assy
Avcon Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
974145-8 May Industries Inc (USA)
974145-8 Service & Sales Inc (USA)
25301 Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA)
974145-8 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
25301 Pall Aeropower Corporation (USA)
974145-8 Jsn Inc (USA)
Related Parts
5950-00-081-2683INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
666165-469
2825-00-175-7724INTERCHANGEABLE
WEIGHT PLATE ASSEMB
253-01
5977-00-379-0793INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
4820-01-215-4328INTERCHANGEABLE
PLUNGER,VALVE
253-01
4130-01-223-0081INTERCHANGEABLE
HOUSING
2530-1
5330-01-299-7319INTERCHANGEABLE
SEAL,PLAIN
4820-01-385-9045INTERCHANGEABLE
VALVE,CHECK
1560-01-548-3889INTERCHANGEABLE
LENS WINDOW ASSY
25301

Frequently Asked Questions

What is NSN 1660-00-373-8320?

NSN 1660-00-373-8320 is a Filter Assembly,air, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-373-8320?

NSN 1660-00-373-8320 has 6 cross-referenced part numbers: 974145-8 (May Industries Inc), 974145-8 (Service & Sales Inc), 25301 (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div), 974145-8 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 25301 (Pall Aeropower Corporation) and 1 more.

What NSN replaces 1660-00-373-8320?

There are 8 known substitutes for 1660-00-373-8320: 5950-00-081-2683, 2825-00-175-7724, 5977-00-379-0793 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 974145-8?

Key specifications for 974145-8: FSC Application Data: ACFT PRESSURIZING EQUIP; End Item Identification: 16603375074; General Characteristics Item Description: CONSIST OF BOLT 1,FILTER 1. 3 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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