PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2W1K40-26-32Spacer,ring

The Boeing Company Div Legacy Am&m · NSN 5365-00-582-8841 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-582-8841 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-582-8841. Primary manufacturer part number: 2W1K40-26-32.
Features
  • Spacer,ring — FSC 5365
  • Inside Diameter: 0.625 INCHES NOMINAL IN
  • Outside Diameter: 0.812 INCHES NOMINAL IN
  • Overall Thickness: 0.032 INCHES NOMINAL IN
  • Specification/standard Data: 43999-2W1 MANUFACTURERS STANDARD
  • 3 verified cross-references
  • Primary manufacturer: The Boeing Company Div Legacy Am&m
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Spacer,ring, cataloged under National Stock Number 5365-00-582-8841, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5365-00-582-8841
Primary Part Number2W1K40-26-32
Item NameSpacer,ring
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Legacy Am&m
StatusCANCELLED
Inside Diameter0.625 INCHES NOMINAL IN
Outside Diameter0.812 INCHES NOMINAL IN
Overall Thickness0.032 INCHES NOMINAL IN
Specification/standard Data43999-2W1 MANUFACTURERS STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
2520-00-392-3583X117C INTERCHANGEABLE
Collar,clutch Shift
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5935-01-098-0661UG-1416/U INTERCHANGEABLE
Connector,plug,electrical
Joint Electronics Type Designation System
5930-01-178-897170789-07 INTERCHANGEABLE
Switch,push
Muirhead Aerospace Ltd
5331-01-212-462670721 INTERCHANGEABLE
O-Ring
Defense Maritime Solutions, Inc.
Cross-Reference Index
Part NumberManufacturer
70721 Cummins Ltd (GBR)
2W1K40-26-32 PRIMARY The Boeing Company Div Legacy Am&m (USA)
70721 Cummins Inc. (USA)
Related Parts
2520-00-392-3583INTERCHANGEABLE
COLLAR,CLUTCH SHIFT
X117C
5935-01-098-0661INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
UG-1416/U
5930-01-178-8971INTERCHANGEABLE
SWITCH,PUSH
70789-07
5331-01-212-4626INTERCHANGEABLE
O-RING
70721

Frequently Asked Questions

What is NSN 5365-00-582-8841?

NSN 5365-00-582-8841 is a Spacer,ring, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5365 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5365-00-582-8841?

NSN 5365-00-582-8841 has 3 cross-referenced part numbers: 70721 (Cummins Ltd), 2W1K40-26-32 (The Boeing Company Div Legacy Am&m), 70721 (Cummins Inc.).

What NSN replaces 5365-00-582-8841?

There are 4 known substitutes for 5365-00-582-8841: 2520-00-392-3583, 5935-01-098-0661, 5930-01-178-8971 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2W1K40-26-32?

Key specifications for 2W1K40-26-32: Inside Diameter: 0.625 INCHES NOMINAL IN; Outside Diameter: 0.812 INCHES NOMINAL IN; Overall Thickness: 0.032 INCHES NOMINAL IN; Specification/standard Data: 43999-2W1 MANUFACTURERS STANDARD. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5365-00-582-8841 still in active supply?

NSN 5365-00-582-8841 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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