PartsTable TECHNICAL DATA SHEET
NSN 5365-01-280-6927Government record, cited

Spacer, Sleeve5365-01-280-6927

NSN 5365-01-280-6927 · NIIN 012806927 · Part number 5598521-1
Lockheed Martin Corporation Div Rotary and Mission Systems · FSC 5365 — Bushings, Rings, Shims, and Spacers · FSG 53 — Hardware and Abrasives · CAGE 38597
Government record, cited
NSN 5365-01-280-6927 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-280-6927. Manufacturer of record part number: 5598521-1.
Also searched as  5365-01-280-6927 · 5365012806927 · NIIN 012806927 · 01-280-6927 · FSC 5365 Bushings, Rings, Shims, and Spacers · CAGE 38597 · 5598521-1
Nearby stock numbers  ·
Features
  • Spacer,sleeve — FSC 5365
  • Flange Outside Diameter: 3.4000 INCHES NOMINAL IN
  • Body Outside Diameter: 2.4860 INCHES MINIMUM AND 2.4910 INCHES MAXIMUM IN
  • Body Inside Diameter: 1.8080 INCHES MINIMUM AND 1.8180 INCHES MAXIMUM IN
  • Flange Width: 0.6900 INCHES MINIMUM AND 0.7200 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Lockheed Martin Corporation Div Rotary and Mission Systems
Identification
  • NSN: 5365-01-280-6927
  • NIIN: 012806927
  • FSC: 5365 — Bushings, Rings, Shims, and Spacers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 5598521-1
  • Manufacturer: Lockheed Martin Corporation Div Rotary and Mission Systems
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-01-280-6927, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-280-6927
Primary Part Number5598521-1
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — Bushings, Rings, Shims, and Spacers
ManufacturerLockheed Martin Corporation Div Rotary and Mission Systems
StatusACTIVE
Flange Outside Diameter3.4000 INCHES NOMINAL IN
Body Outside Diameter2.4860 INCHES MINIMUM AND 2.4910 INCHES MAXIMUM IN
Body Inside Diameter1.8080 INCHES MINIMUM AND 1.8180 INCHES MAXIMUM IN
Flange Width0.6900 INCHES MINIMUM AND 0.7200 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
5598521-1 PRIMARY Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
5598521-1 Naval Sea Systems Command (USA)
No interchangeability data on file.
Other items in FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078
5365-00-000-6078 · Item name not on file
5365-00-000-7436
5365-00-000-7436 · Item name not on file
5365-00-001-1292
PLUG,MACHINE THREAD
5365-00-001-1365
5365-00-001-1365 · Item name not on file
5365-00-001-1841
RING,TORQUE,TUBE,INBOARD,RUDDER
5365-00-001-1915
5365-00-001-1915 · Item name not on file
5365-00-001-1916
5365-00-001-1916 · Item name not on file
5365-00-001-1940
5365-00-001-1940 · Item name not on file

Frequently Asked Questions

What is NSN 5365-01-280-6927?

NSN 5365-01-280-6927 is a Spacer,sleeve, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.

What part numbers are listed for NSN 5365-01-280-6927?

NSN 5365-01-280-6927 has 2 manufacturer part numbers on file: 5598521-1 (Lockheed Martin Corporation Div Rotary and Mission Systems), 5598521-1 (Naval Sea Systems Command).

What are the specifications of 5598521-1?

Key specifications for 5598521-1: Flange Outside Diameter: 3.4000 INCHES NOMINAL IN; Body Outside Diameter: 2.4860 INCHES MINIMUM AND 2.4910 INCHES MAXIMUM IN; Overall Length: 1.2900 INCHES NOMINAL IN; Body Inside Diameter: 1.8080 INCHES MINIMUM AND 1.8180 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5365-01-280-6927 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
PartsTable Design LLC · partstable.com