PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52699Seal,impeller,aircraft

Honeywell International Inc. Div Aerospace - Torrance · NSN 1660-00-347-8127 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-347-8127 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-347-8127. Primary manufacturer part number: 52699.
Features
  • Seal,impeller,aircraft — FSC 1660
  • General Characteristics Item Description: CRES,PASSIVATED,ROCKWELL C38 TO44 HARDNESS,0.375 IN. THK,4.614 IN. OD,4.299 IN. ID IN
  • 1 verified cross-reference
  • Primary manufacturer: Honeywell International Inc. Div Aerospace - Torrance
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,impeller,aircraft, cataloged under National Stock Number 1660-00-347-8127, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-347-8127
Primary Part Number52699
Item NameSeal,impeller,aircraft
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
General Characteristics Item DescriptionCRES,PASSIVATED,ROCKWELL C38 TO44 HARDNESS,0.375 IN. THK,4.614 IN. OD,4.299 IN. ID IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
9540-00-596-3160 INTERCHANGEABLE
Beam,structural
5950-00-646-406152699 INTERCHANGEABLE
Transformer,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
1270-00-674-796752699 INTERCHANGEABLE
Plate,feedhorn,righ
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
4320-01-230-3759 INTERCHANGEABLE
Shaft,transmission,pump
4820-01-230-3881 INTERCHANGEABLE
Piston,valve
5340-01-543-34835269-9 INTERCHANGEABLE
Plug,protective,dust and Moistur
Raco, a Division of Hubbell Incorporated(delaware)
Cross-Reference Index
Part NumberManufacturer
52699 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
Related Parts
9540-00-596-3160INTERCHANGEABLE
BEAM,STRUCTURAL
5950-00-646-4061INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
52699
1270-00-674-7967INTERCHANGEABLE
PLATE,FEEDHORN,RIGH
52699
4320-01-230-3759INTERCHANGEABLE
SHAFT,TRANSMISSION,PUMP
4820-01-230-3881INTERCHANGEABLE
PISTON,VALVE
5340-01-543-3483INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
5269-9

Frequently Asked Questions

What is NSN 1660-00-347-8127?

NSN 1660-00-347-8127 is a Seal,impeller,aircraft, 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 1660-00-347-8127?

NSN 1660-00-347-8127 has 1 cross-referenced part number: 52699 (Honeywell International Inc. Div Aerospace - Torrance).

What NSN replaces 1660-00-347-8127?

There are 6 known substitutes for 1660-00-347-8127: 9540-00-596-3160, 5950-00-646-4061, 1270-00-674-7967 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52699?

Key specifications for 52699: General Characteristics Item Description: CRES,PASSIVATED,ROCKWELL C38 TO44 HARDNESS,0.375 IN. THK,4.614 IN. OD,4.299 IN. ID IN. 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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