PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78339Cover,access

Triumph Engine Control Systems Llc · NSN 5340-00-055-5192 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-055-5192 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-055-5192. Primary manufacturer part number: 78339.
Features
  • Cover,access — FSC 5340
  • Distance From First Hole Centerline to End Along Width: 0.412 INCHES NOMINAL IN
  • Length: 4.300 INCHES MINIMUM AND 4.360 INCHES MAXIMUM IN
  • Mounting Opening Shape Style: UNTHREADED HOLE
  • Distance Between Holes Along Length: 3.536 INCHES NOMINAL IN
  • Material: PLASTIC
  • Inside Corner Radius: 0.100 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
  • Inside Diameter: 0.880 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
Applications
  • Applications requiring Plastic construction
General Description

The Cover,access, cataloged under National Stock Number 5340-00-055-5192, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 19 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-055-5192
Primary Part Number78339
Item NameCover,access
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Distance From First Hole Centerline to End Along Width0.412 INCHES NOMINAL IN
Length4.300 INCHES MINIMUM AND 4.360 INCHES MAXIMUM IN
Mounting Opening Shape StyleUNTHREADED HOLE
Distance Between Holes Along Length3.536 INCHES NOMINAL IN
MaterialPLASTIC
Inside Corner Radius0.100 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
Inside Diameter0.880 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
Flange Thickness0.440 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN
Distance From First Hole Centerline to End Along Length0.412 INCHES NOMINAL IN
First Recess Inside Height1.649 INCHES NOMINAL IN
Body Thickness0.150 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
First Recess Diameter3.259 INCHES MINIMUM AND 3.269 INCHES MAXIMUM IN
Distance Between Holes Along Width3.536 INCHES NOMINAL IN
Width4.300 INCHES MINIMUM AND 4.360 INCHES MAXIMUM IN
Peripheral Shape StyleRECTANGLE, FOUR HOLES
Outside Corner Radius0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Hole Diameter0.340 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
Cross-Sectional Shape StyleCIRCULAR RECESS
Securing Device TypeTHREADED FASTENER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 6
5895-00-138-566578339 INTERCHANGEABLE
Computer Subassembly
L3harris Technologies, Inc Div Space & Airborne Systems
5935-00-296-7918 INTERCHANGEABLE
Connector,receptacle,electrical
3030-01-026-3302 INTERCHANGEABLE
Belt,v
5340-01-128-290078339 INTERCHANGEABLE
Cover,access
Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
6680-01-278-2389XM-55050-42-0512-I-L-30 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5320-01-478-423278-339 INTERCHANGEABLE
Rivet,solid
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
Cross-Reference Index
Part NumberManufacturer
78339 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
5895-00-138-5665INTERCHANGEABLE
COMPUTER SUBASSEMBLY
78339
5935-00-296-7918INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3030-01-026-3302INTERCHANGEABLE
BELT,V
5340-01-128-2900INTERCHANGEABLE
COVER,ACCESS
78339
6680-01-278-2389INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
XM-55050-42-0512-I-L-30
5320-01-478-4232INTERCHANGEABLE
RIVET,SOLID
78-339

Frequently Asked Questions

What is NSN 5340-00-055-5192?

NSN 5340-00-055-5192 is a Cover,access, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-055-5192?

NSN 5340-00-055-5192 has 1 cross-referenced part number: 78339 (Triumph Engine Control Systems Llc).

What NSN replaces 5340-00-055-5192?

There are 6 known substitutes for 5340-00-055-5192: 5895-00-138-5665, 5935-00-296-7918, 3030-01-026-3302 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 78339?

Key specifications for 78339: Distance From First Hole Centerline to End Along Width: 0.412 INCHES NOMINAL IN; Length: 4.300 INCHES MINIMUM AND 4.360 INCHES MAXIMUM IN; Mounting Opening Shape Style: UNTHREADED HOLE; Distance Between Holes Along Length: 3.536 INCHES NOMINAL IN. 19 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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