PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21779Spacer,sleeve

Eaton Aerospace Llc · NSN 5365-01-063-7499 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-063-7499 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-063-7499. Primary manufacturer part number: 21779.
Features
  • Spacer,sleeve — FSC 5365
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace Llc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-01-063-7499, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace Llc. 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: Cancelled.

Catalog Facts
Item NameSpacer,sleeve
FSC / FSG5365 — No Item Name Available (FSG 53)
ManufacturersEaton Aerospace Llc (CAGE 16780)
Technical Specifications
ParameterValue
NSN5365-01-063-7499
Primary Part Number21779
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerEaton Aerospace Llc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5330-00-004-0427PM21779 INTERCHANGEABLE
Gasket
Mason Electric Co. Dba Mason Controls
3455-00-232-410219956 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5915-00-334-9495SM-D-78532 INTERCHANGEABLE
Network,pulse Forming
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2805-00-350-4048200376Y25 INTERCHANGEABLE
Lock,knuckle
Renk America Llc Div Renk America
2920-00-516-2718021779 INTERCHANGEABLE
Cap,ignition Distribution
Caterpillar Inc Div Caterpillar Defense
5330-01-267-0254 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
21779 PRIMARY Eaton Aerospace Llc (USA)
Related Parts
5330-00-004-0427INTERCHANGEABLE
GASKET
PM21779
3455-00-232-4102INTERCHANGEABLE
REAMER,MACHINE
19956
5915-00-334-9495INTERCHANGEABLE
NETWORK,PULSE FORMING
SM-D-78532
2805-00-350-4048INTERCHANGEABLE
LOCK,KNUCKLE
200376Y25
2920-00-516-2718INTERCHANGEABLE
CAP,IGNITION DISTRIBUTION
021779
5330-01-267-0254INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 5365-01-063-7499?

NSN 5365-01-063-7499 is a Spacer,sleeve, manufactured by Eaton Aerospace Llc, classified under FSC 5365 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5365-01-063-7499?

NSN 5365-01-063-7499 has 1 cross-referenced part number: 21779 (Eaton Aerospace Llc).

What NSN replaces 5365-01-063-7499?

There are 6 known substitutes for 5365-01-063-7499: 5330-00-004-0427, 3455-00-232-4102, 5915-00-334-9495 and 3 more. Verify interchangeability with system specifications before substitution.

Is NSN 5365-01-063-7499 still in active supply?

NSN 5365-01-063-7499 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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