PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100650ACage,seal

Weldon Pump Llc · NSN 1660-00-167-1421 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-167-1421 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-167-1421. Primary manufacturer part number: 100650A.
Features
  • Cage,seal — FSC 1660
  • 6 verified cross-references
  • Primary manufacturer: Weldon Pump Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Cage,seal, cataloged under National Stock Number 1660-00-167-1421, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Weldon Pump Llc. This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameCage,seal
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersHartzell Engine Technologies Llc (CAGE 65PY1); Kelly Aerospace Power Systems, Inc. Dba Consolidated Fuel Systems (CAGE 0MJG0); Grimes Aerospace Company (CAGE 72914); Weldon Tool Co the (CAGE 64560); Weldon Pump Llc (CAGE 9Z270)
Technical Specifications
ParameterValue
NSN1660-00-167-1421
Primary Part Number100650A
Item NameCage,seal
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerWeldon Pump Llc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4320-00-033-4957100-650 INTERCHANGEABLE
Pump,rotary
Aerocontrolex Group, Inc.
3110-00-120-4217140420 INTERCHANGEABLE
Roller,bearing
Regal Beloit America, Inc. Dba Rollway Bearing
5355-00-466-0613100650 INTERCHANGEABLE
Pointer Assembly
Astronautics Corporation of America
5998-01-038-2723100650 INTERCHANGEABLE
Circuit Card Assembly
Omnishore Electronics Mfg Corp
4820-01-056-9318L36199KT INTERCHANGEABLE
Valve,gate
Atap Inc
5950-01-061-9825100650 INTERCHANGEABLE
Coil,radio Frequency
Logimetrics Inc
Cross-Reference Index
Part NumberManufacturer
100650-A Hartzell Engine Technologies Llc (USA)
100650A Kelly Aerospace Power Systems, Inc. Dba Consolidated Fuel Systems (USA)
100650A Grimes Aerospace Company (USA)
100650A Weldon Tool Co the (USA)
100650 Weldon Tool Co the (USA)
100650A PRIMARY Weldon Pump Llc (USA)
Related Parts
4320-00-033-4957INTERCHANGEABLE
PUMP,ROTARY
100-650
3110-00-120-4217INTERCHANGEABLE
ROLLER,BEARING
140420
5355-00-466-0613INTERCHANGEABLE
POINTER ASSEMBLY
100650
5998-01-038-2723INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
100650
4820-01-056-9318INTERCHANGEABLE
VALVE,GATE
L36199KT
5950-01-061-9825INTERCHANGEABLE
COIL,RADIO FREQUENCY
100650

Frequently Asked Questions

What is NSN 1660-00-167-1421?

NSN 1660-00-167-1421 is a Cage,seal, manufactured by Weldon Pump Llc, classified under FSC 1660 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1660-00-167-1421?

NSN 1660-00-167-1421 has 6 cross-referenced part numbers: 100650-A (Hartzell Engine Technologies Llc), 100650A (Kelly Aerospace Power Systems, Inc. Dba Consolidated Fuel Systems), 100650A (Grimes Aerospace Company), 100650A (Weldon Tool Co the), 100650 (Weldon Tool Co the) and 1 more.

What NSN replaces 1660-00-167-1421?

There are 6 known substitutes for 1660-00-167-1421: 4320-00-033-4957, 3110-00-120-4217, 5355-00-466-0613 and 3 more. Verify interchangeability with system specifications before substitution.

Is NSN 1660-00-167-1421 still in active supply?

NSN 1660-00-167-1421 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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