PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

378051Cover,access

Eaton Aerospace, Llc Dba Jackson South · NSN 5340-01-031-5220 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-031-5220 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-031-5220. Primary manufacturer part number: 378051.
Features
  • Cover,access — FSC 5340
  • Inverted Radius: 0.156 INCHES NOMINAL IN
  • Inside Corner Radius: 0.031 INCHES NOMINAL IN
  • EAR Radius: 0.063 INCHES NOMINAL IN
  • Inside Diameter: 1.563 INCHES NOMINAL IN
  • Pilot Diameter: 3.250 INCHES NOMINAL IN
  • Body Outside Radius: 2.375 INCHES NOMINAL IN
  • Mounting Opening Shape Style: UNTHREADED HOLE
Applications
  • Applications requiring Steel construction
General Description

The Cover,access, cataloged under National Stock Number 5340-01-031-5220, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 21 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-031-5220
Primary Part Number378051
Item NameCover,access
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Inverted Radius0.156 INCHES NOMINAL IN
Inside Corner Radius0.031 INCHES NOMINAL IN
EAR Radius0.063 INCHES NOMINAL IN
Inside Diameter1.563 INCHES NOMINAL IN
Pilot Diameter3.250 INCHES NOMINAL IN
Body Outside Radius2.375 INCHES NOMINAL IN
Mounting Opening Shape StyleUNTHREADED HOLE
Cross-Sectional Shape StyleCIRCULAR RECESS
Inside Angle90.0 DEGREES NOMINAL
Hole Diameter0.188 INCHES NOMINAL IN
Surface TreatmentANODIZE
Securing Device TypeTHREADED FASTENER
Body Radius2.375 INCHES NOMINAL IN
Pilot Height0.250 INCHES NOMINAL IN
Peripheral Shape StyleROUND, FOUR EARS AND HOLES
Body Thickness0.063 INCHES NOMINAL IN
Outside Corner Radius0.125 INCHES NOMINAL IN
First Recess Inside Height0.563 INCHES NOMINAL IN
Flange Thickness0.250 INCHES NOMINAL IN
Bolt Circle Diameter5.000 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5133-01-399-0733 INTERCHANGEABLE
Drill,twist
4020-01-592-230637805-1 INTERCHANGEABLE
Rope,fibrous
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Cross-Reference Index
Part NumberManufacturer
378051 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5133-01-399-0733INTERCHANGEABLE
DRILL,TWIST
4020-01-592-2306INTERCHANGEABLE
ROPE,FIBROUS
37805-1

Frequently Asked Questions

What is NSN 5340-01-031-5220?

NSN 5340-01-031-5220 is a Cover,access, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-031-5220?

NSN 5340-01-031-5220 has 1 cross-referenced part number: 378051 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 5340-01-031-5220?

There are 2 known substitutes for 5340-01-031-5220: 5133-01-399-0733, 4020-01-592-2306. Verify interchangeability with system specifications before substitution.

What are the specifications of 378051?

Key specifications for 378051: Inverted Radius: 0.156 INCHES NOMINAL IN; Inside Corner Radius: 0.031 INCHES NOMINAL IN; EAR Radius: 0.063 INCHES NOMINAL IN; Inside Diameter: 1.563 INCHES NOMINAL IN. 22 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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