PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23256Shaft,retaining

Honeywell International, Inc Div Aerospace-Tucson · NSN 6610-00-621-2385 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-00-621-2385 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-621-2385. Primary manufacturer part number: 23256.
Features
  • Shaft,retaining — FSC 6610
  • 3 verified cross-references
  • Primary manufacturer: Honeywell International, Inc Div Aerospace-Tucson
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft,retaining, cataloged under National Stock Number 6610-00-621-2385, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameShaft,retaining
FSC / FSG6610 — No Item Name Available (FSG 66)
ManufacturersAlliedsignal Inc Dba Allied-Signal Aerospace Co (CAGE 72599); Honeywell International Inc. Div Aerospace - Torrance (CAGE 70210); Honeywell International, Inc Div Aerospace-Tucson (CAGE 64547)
Technical Specifications
ParameterValue
NSN6610-00-621-2385
Primary Part Number23256
Item NameShaft,retaining
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerHoneywell International, Inc Div Aerospace-Tucson
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-0540 INTERCHANGEABLE
Cup,tapered Roller Bearing
5365-00-203-4360A23256 INTERCHANGEABLE
Plug,machine Thread
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
4820-00-468-108523256 INTERCHANGEABLE
Housing Diaphragm
Leslie Controls, Inc. Dba Leslie Controls Inc
4720-01-128-8844 INTERCHANGEABLE
Hose,preformed
4820-01-208-32202566-051-063 INTERCHANGEABLE
Stem,fluid Valve
Velan Valve Corp.
4820-01-208-33442576-54-122 INTERCHANGEABLE
Disk,valve
Velan Valve Corp.
5340-01-292-0316 INTERCHANGEABLE
Seat,helical Compression Spring
4820-01-394-6196F05-3054B-02TS INTERCHANGEABLE
Valve,gate
Velan Valve Corp.
5315-01-538-077623256 INTERCHANGEABLE
Pin,straight,headed
Generac Mobile Products, Llc
6515-01-595-528821090A INTERCHANGEABLE
Probe,temperature Monitoring
Philips North America Llc Dba Philips Healthcare
Cross-Reference Index
Part NumberManufacturer
23256 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
23256 Honeywell International Inc. Div Aerospace - Torrance (USA)
23256 PRIMARY Honeywell International, Inc Div Aerospace-Tucson (USA)
Related Parts
3110-00-100-0540INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5365-00-203-4360INTERCHANGEABLE
PLUG,MACHINE THREAD
A23256
4820-00-468-1085INTERCHANGEABLE
HOUSING DIAPHRAGM
23256
4720-01-128-8844INTERCHANGEABLE
HOSE,PREFORMED
4820-01-208-3220INTERCHANGEABLE
STEM,FLUID VALVE
2566-051-063
4820-01-208-3344INTERCHANGEABLE
DISK,VALVE
2576-54-122
5340-01-292-0316INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
4820-01-394-6196INTERCHANGEABLE
VALVE,GATE
F05-3054B-02TS
5315-01-538-0776INTERCHANGEABLE
PIN,STRAIGHT,HEADED
23256
6515-01-595-5288INTERCHANGEABLE
PROBE,TEMPERATURE MONITORING
21090A

Frequently Asked Questions

What is NSN 6610-00-621-2385?

NSN 6610-00-621-2385 is a Shaft,retaining, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-00-621-2385?

NSN 6610-00-621-2385 has 3 cross-referenced part numbers: 23256 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 23256 (Honeywell International Inc. Div Aerospace - Torrance), 23256 (Honeywell International, Inc Div Aerospace-Tucson).

What NSN replaces 6610-00-621-2385?

There are 10 known substitutes for 6610-00-621-2385: 3110-00-100-0540, 5365-00-203-4360, 4820-00-468-1085 and 7 more. Verify interchangeability with system specifications before substitution.

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