PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3987Spacer,sleeve

Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems · NSN 5365-01-321-4080 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-321-4080 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-321-4080. Primary manufacturer part number: 3987.
Features
  • Spacer,sleeve — FSC 5365
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-01-321-4080, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpacer,sleeve
FSC / FSG5365 — No Item Name Available (FSG 53)
ManufacturersEaton Corporation Dba Airframe Div Fuel & Motion Control Systems (CAGE 86090)
Technical Specifications
ParameterValue
NSN5365-01-321-4080
Primary Part Number3987
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerEaton Corporation Dba Airframe Div Fuel & Motion Control Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5120-00-250-2490398-7 INTERCHANGEABLE
Pot,melting
C. S. Osborne and Company Dba Cs Osborne & Co
5340-00-995-83283987 INTERCHANGEABLE
Bumper
Atlantic India Rubber Co Inc
5340-01-017-1453 INTERCHANGEABLE
Bumper
6515-01-553-01078700-0610-01 INTERCHANGEABLE
Blood-Fluid Warmer System
Zoll Medical Corporation Dba Zoll
Cross-Reference Index
Part NumberManufacturer
3987 PRIMARY Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems (USA)
Related Parts
5120-00-250-2490INTERCHANGEABLE
POT,MELTING
398-7
5340-00-995-8328INTERCHANGEABLE
BUMPER
3987
5340-01-017-1453INTERCHANGEABLE
BUMPER
6515-01-553-0107INTERCHANGEABLE
BLOOD-FLUID WARMER SYSTEM
8700-0610-01

Frequently Asked Questions

What is NSN 5365-01-321-4080?

NSN 5365-01-321-4080 is a Spacer,sleeve, manufactured by Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-321-4080?

NSN 5365-01-321-4080 has 1 cross-referenced part number: 3987 (Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems).

What NSN replaces 5365-01-321-4080?

There are 4 known substitutes for 5365-01-321-4080: 5120-00-250-2490, 5340-00-995-8328, 5340-01-017-1453 and 1 more. Verify interchangeability with system specifications before substitution.

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