PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5190377Cover,access

Naval Sea Systems Command · NSN 5340-01-212-6359 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-212-6359 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-212-6359. Primary manufacturer part number: 5190377.
Features
  • Cover,access — FSC 5340
  • Mounting Opening Shape Style: UNTHREADED HOLE
  • Bolt Circle Hole Quantity: 8
  • Outside Diameter: 12.000 INCHES NOMINAL IN
  • Securing Device Type: THREADED FASTENER
  • Bolt Circle Diameter: 11.250 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND, MULTI HOLES
  • Material: ALUMINUM ALLOY
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Cover,access, cataloged under National Stock Number 5340-01-212-6359, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-212-6359
Primary Part Number5190377
Item NameCover,access
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Mounting Opening Shape StyleUNTHREADED HOLE
Bolt Circle Hole Quantity8
Outside Diameter12.000 INCHES NOMINAL IN
Securing Device TypeTHREADED FASTENER
Bolt Circle Diameter11.250 INCHES NOMINAL IN
Peripheral Shape StyleROUND, MULTI HOLES
MaterialALUMINUM ALLOY
Hole Diameter0.276 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN
Cross-Sectional Shape StyleFLAT
Body Thickness0.475 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
5360-00-695-0358113C8 INTERCHANGEABLE
Spring,helical,compression
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
5190377 PRIMARY Naval Sea Systems Command (USA)
Related Parts
5360-00-695-0358INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
113C8

Frequently Asked Questions

What is NSN 5340-01-212-6359?

NSN 5340-01-212-6359 is a Cover,access, manufactured by Naval Sea Systems Command, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-212-6359?

NSN 5340-01-212-6359 has 1 cross-referenced part number: 5190377 (Naval Sea Systems Command).

What NSN replaces 5340-01-212-6359?

There is 1 known substitute for 5340-01-212-6359: 5360-00-695-0358. Verify interchangeability with system specifications before substitution.

What are the specifications of 5190377?

Key specifications for 5190377: Mounting Opening Shape Style: UNTHREADED HOLE; Special Features: TWO HOLES ON BOLT CIRCLE THREADED FOR 0.250-28 UNF-2B HELICAL COIL INSERTS; Bolt Circle Hole Quantity: 8; Outside Diameter: 12.000 INCHES NOMINAL IN. 11 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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