PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

5819944-004Spacer,ring

Naval Sea Systems Command · NSN 5365-01-327-8193 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-327-8193 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-327-8193. Primary manufacturer part number: 5819944-004.
Features
  • Spacer,ring — FSC 5365
  • FSC Application Data: AFTERBODY SECTION,TORPEDO MK50
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
  • Outside Diameter: 2.135 INCHES NOMINAL IN
  • Overall Thickness: 0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE
  • Inside Diameter: 1.790 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE
Applications
  • Applications requiring Steel Comp 301 construction
General Description

The Spacer,ring, cataloged under National Stock Number 5365-01-327-8193, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the government interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-327-8193
Primary Part Number5819944-004
Item NameSpacer,ring
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
FSC Application DataAFTERBODY SECTION,TORPEDO MK50
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Outside Diameter2.135 INCHES NOMINAL IN
Overall Thickness0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
Material Document and ClassificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE
Inside Diameter1.790 INCHES NOMINAL IN
Surface TreatmentPASSIVATE
MaterialSTEEL COMP 301
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 8
No Item Name Available
No Item Name Available
5365-00-001-12928200931 SAME_FSC
Plug,machine Thread
No Item Name Available
5365-00-001-1841123CSM51841-11 SAME_FSC
Ring,torque,tube,inboard,rudder
No Item Name Available
No Item Name Available
No Item Name Available
Cross-Reference Index
Part NumberManufacturer
5819944-004 PRIMARY Naval Sea Systems Command (USA)
Related Parts
5365-00-000-6078INTERCHANGEABLE
NO ITEM NAME AVAILABLE
5365-00-000-7436INTERCHANGEABLE
NO ITEM NAME AVAILABLE
5365-00-001-1292INTERCHANGEABLE
PLUG,MACHINE THREAD
8200931
5365-00-001-1365INTERCHANGEABLE
NO ITEM NAME AVAILABLE
5365-00-001-1841INTERCHANGEABLE
RING,TORQUE,TUBE,INBOARD,RUDDER
123CSM51841-11
5365-00-001-1915INTERCHANGEABLE
NO ITEM NAME AVAILABLE
5365-00-001-1916INTERCHANGEABLE
NO ITEM NAME AVAILABLE
5365-00-001-1940INTERCHANGEABLE
NO ITEM NAME AVAILABLE

Frequently Asked Questions

What is NSN 5365-01-327-8193?

NSN 5365-01-327-8193 is a Spacer,ring, manufactured by Naval Sea Systems Command, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-327-8193?

NSN 5365-01-327-8193 has 1 cross-referenced part number: 5819944-004 (Naval Sea Systems Command).

What NSN replaces 5365-01-327-8193?

There are 8 known substitutes for 5365-01-327-8193: 5365-00-000-6078, 5365-00-000-7436, 5365-00-001-1292 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5819944-004?

Key specifications for 5819944-004: FSC Application Data: AFTERBODY SECTION,TORPEDO MK50; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Outside Diameter: 2.135 INCHES NOMINAL IN; Overall Thickness: 0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN. 8 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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