PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1891Pilot Tube,hub Spid

Hartzell Propeller Llc · NSN 1610-00-837-9414 · FSC 1610 · No Item Name Available
Verified by PartsTable
NSN 1610-00-837-9414 — this item is cataloged by the U.S. Government under National Stock Number 1610-00-837-9414. Primary manufacturer part number: A1891.
Features
  • Pilot Tube,hub Spid — FSC 1610
  • 1 verified cross-reference
  • Primary manufacturer: Hartzell Propeller Llc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Pilot Tube,hub Spid, cataloged under National Stock Number 1610-00-837-9414, is classified within Federal Supply Class 1610 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Hartzell Propeller Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePilot Tube,hub Spid
FSC / FSG1610 — No Item Name Available (FSG 16)
ManufacturersHartzell Propeller Llc (CAGE 24692)
Technical Specifications
ParameterValue
NSN1610-00-837-9414
Primary Part NumberA1891
Item NamePilot Tube,hub Spid
FSC / FSG1610 / 16 — No Item Name Available
ManufacturerHartzell Propeller Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5325-00-355-20331F1440 INTERCHANGEABLE
Ring,retaining
Caterpillar Inc Div Caterpillar Defense
5365-01-159-1052 INTERCHANGEABLE
Retainer,disk
8455-01-550-8360 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A1891 Hartzell Propeller Llc (USA)
Related Parts
5325-00-355-2033INTERCHANGEABLE
RING,RETAINING
1F1440
5365-01-159-1052INTERCHANGEABLE
RETAINER,DISK
8455-01-550-8360INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 1610-00-837-9414?

NSN 1610-00-837-9414 is a Pilot Tube,hub Spid, manufactured by Hartzell Propeller Llc, classified under FSC 1610 (No Item Name Available). Status: active.

What are the part numbers for NSN 1610-00-837-9414?

NSN 1610-00-837-9414 has 1 cross-referenced part number: A1891 (Hartzell Propeller Llc).

What NSN replaces 1610-00-837-9414?

There are 3 known substitutes for 1610-00-837-9414: 5325-00-355-2033, 5365-01-159-1052, 8455-01-550-8360. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com