PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

595-6401267 ITEM 51Spacer,plate

Naval Sea Systems Command · NSN 5365-01-397-1407 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-397-1407 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-397-1407. Primary manufacturer part number: 595-6401267 ITEM 51.
Features
  • Spacer,plate — FSC 5365
  • Aperture Diameter: 1.750 INCHES NOMINAL IN
  • Overall Thickness: 0.250 INCHES NOMINAL IN
  • Material Document and Classification: QQ-N-281, CL A, FORM 1, COND CD FED SPEC SINGLE MATERIAL RESPONSE
  • Style Designator: CIRCULAR
  • Material: NICKEL ALLOY
  • Outside Diameter: 4.000 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Applications requiring Nickel Alloy construction
General Description

The Spacer,plate, cataloged under National Stock Number 5365-01-397-1407, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-397-1407
Primary Part Number595-6401267 ITEM 51
Item NameSpacer,plate
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Aperture Diameter1.750 INCHES NOMINAL IN
Overall Thickness0.250 INCHES NOMINAL IN
Material Document and ClassificationQQ-N-281, CL A, FORM 1, COND CD FED SPEC SINGLE MATERIAL RESPONSE
Style DesignatorCIRCULAR
MaterialNICKEL ALLOY
Outside Diameter4.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
595-6401267 ITEM 51 PRIMARY Naval Sea Systems Command (USA)
211052199 Naval Sea Systems Command (USA)
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Frequently Asked Questions

What is NSN 5365-01-397-1407?

NSN 5365-01-397-1407 is a Spacer,plate, manufactured by Naval Sea Systems Command, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-397-1407?

NSN 5365-01-397-1407 has 2 cross-referenced part numbers: 595-6401267 ITEM 51 (Naval Sea Systems Command), 211052199 (Naval Sea Systems Command).

What are the specifications of 595-6401267 ITEM 51?

Key specifications for 595-6401267 ITEM 51: Aperture Diameter: 1.750 INCHES NOMINAL IN; Overall Thickness: 0.250 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281, CL A, FORM 1, COND CD FED SPEC SINGLE MATERIAL RESPONSE; Style Designator: CIRCULAR. 7 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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