PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91973Spacer,sleeve

Ulstein Usa Inc · NSN 5365-01-314-1961 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-314-1961 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-314-1961. Primary manufacturer part number: 91973.
Features
  • Spacer,sleeve — FSC 5365
  • Body Outside Diameter: 39.7 MILLIMETERS MINIMUM AND 40.3 MILLIMETERS MAXIMUM MM
  • Body Inside Diameter: 20.0 MILLIMETERS NOMINAL MM
  • 3 verified cross-references
  • Primary manufacturer: Ulstein Usa Inc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-01-314-1961, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ulstein Usa Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-314-1961
Primary Part Number91973
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerUlstein Usa Inc
StatusACTIVE
Body Outside Diameter39.7 MILLIMETERS MINIMUM AND 40.3 MILLIMETERS MAXIMUM MM
Body Inside Diameter20.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-01-314-1865 INTERCHANGEABLE
Screw,machine
5306-01-354-364291973 INTERCHANGEABLE
Rod,threaded End
Ashcroft Inc Dba Heise
Cross-Reference Index
Part NumberManufacturer
91973 Ulstein Usa Inc (USA)
LE18/03-01 Ulstein Usa Inc (USA)
91973 Rolls-Royce Marine North America Inc (USA)
Related Parts
5305-01-314-1865INTERCHANGEABLE
SCREW,MACHINE
5306-01-354-3642INTERCHANGEABLE
ROD,THREADED END
91973

Frequently Asked Questions

What is NSN 5365-01-314-1961?

NSN 5365-01-314-1961 is a Spacer,sleeve, manufactured by Ulstein Usa Inc, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-314-1961?

NSN 5365-01-314-1961 has 3 cross-referenced part numbers: 91973 (Ulstein Usa Inc), LE18/03-01 (Ulstein Usa Inc), 91973 (Rolls-Royce Marine North America Inc).

What NSN replaces 5365-01-314-1961?

There are 2 known substitutes for 5365-01-314-1961: 5305-01-314-1865, 5306-01-354-3642. Verify interchangeability with system specifications before substitution.

What are the specifications of 91973?

Key specifications for 91973: Body Outside Diameter: 39.7 MILLIMETERS MINIMUM AND 40.3 MILLIMETERS MAXIMUM MM; Body Inside Diameter: 20.0 MILLIMETERS NOMINAL MM; Overall Length: 13.0 MILLIMETERS NOMINAL MM. 3 total characteristics are documented in the Federal Logistics Information System.

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