PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

177939Cover,access

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5340-00-131-0630 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-131-0630 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-131-0630. Primary manufacturer part number: 177939.
Features
  • Cover,access — FSC 5340
  • Hole Diameter: 0.128 INCHES NOMINAL AND 0.250 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND, NO HOLES
  • Inside Corner Radius: 0.190 INCHES NOMINAL IN
  • Body Thickness: 0.040 INCHES NOMINAL IN
  • Mounting Opening Shape Style: UNTHREADED HOLE
  • Material: STEEL
  • Flange Thickness: 0.040 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Cover,access, cataloged under National Stock Number 5340-00-131-0630, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 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
NSN5340-00-131-0630
Primary Part Number177939
Item NameCover,access
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Hole Diameter0.128 INCHES NOMINAL AND 0.250 INCHES NOMINAL IN
Peripheral Shape StyleROUND, NO HOLES
Inside Corner Radius0.190 INCHES NOMINAL IN
Body Thickness0.040 INCHES NOMINAL IN
Mounting Opening Shape StyleUNTHREADED HOLE
MaterialSTEEL
Flange Thickness0.040 INCHES NOMINAL IN
Inside Diameter16.530 INCHES NOMINAL IN
Outside Diameter16.610 INCHES NOMINAL IN
First Recess Inside Height3.250 INCHES NOMINAL IN
Cross-Sectional Shape StyleCIRCULAR RECESS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
3110-00-100-357333262 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Abm Equipment, Llc
5305-01-225-0761 INTERCHANGEABLE
Screw
Cross-Reference Index
Part NumberManufacturer
177939 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
3110-00-100-3573INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
33262
5305-01-225-0761INTERCHANGEABLE
SCREW

Frequently Asked Questions

What is NSN 5340-00-131-0630?

NSN 5340-00-131-0630 is a Cover,access, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-131-0630?

NSN 5340-00-131-0630 has 1 cross-referenced part number: 177939 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5340-00-131-0630?

There are 2 known substitutes for 5340-00-131-0630: 3110-00-100-3573, 5305-01-225-0761. Verify interchangeability with system specifications before substitution.

What are the specifications of 177939?

Key specifications for 177939: Hole Diameter: 0.128 INCHES NOMINAL AND 0.250 INCHES NOMINAL IN; Peripheral Shape Style: ROUND, NO HOLES; Inside Corner Radius: 0.190 INCHES NOMINAL IN; Body Thickness: 0.040 INCHES NOMINAL IN. 12 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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