PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

72078Locking Plate,nut and Bolt

Textron Lycoming Inc Williamsport Plant · NSN 5340-00-676-1808 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-676-1808 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-676-1808. Primary manufacturer part number: 72078.
Features
  • Locking Plate,nut and Bolt — FSC 5340
  • Prebent Locking Feature Location: END
  • Material: STEEL COMP 1010
  • Cross-Sectional Shape Style: FLAT
  • Material Document and Classification: AMS 5044 ASSN STD SINGLE MATERIAL RESPONSE
  • Body Width: 0.210 INCHES NOMINAL IN
  • Distance Between Mounting Hole Centers: 1.315 INCHES MINIMUM AND 1.325 INCHES MAXIMUM IN
  • Plate Thickness: 0.017 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 construction
General Description

The Locking Plate,nut and Bolt, cataloged under National Stock Number 5340-00-676-1808, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5340-00-676-1808
Primary Part Number72078
Item NameLocking Plate,nut and Bolt
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusCANCELLED
Prebent Locking Feature LocationEND
MaterialSTEEL COMP 1010
Cross-Sectional Shape StyleFLAT
Material Document and ClassificationAMS 5044 ASSN STD SINGLE MATERIAL RESPONSE
Body Width0.210 INCHES NOMINAL IN
Distance Between Mounting Hole Centers1.315 INCHES MINIMUM AND 1.325 INCHES MAXIMUM IN
Plate Thickness0.017 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
Center Radius1.030 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4730-00-453-903772078-7-7D INTERCHANGEABLE
Adapter,straight,flange to Groov
Global Incorporated
2915-00-780-338472078 INTERCHANGEABLE
Bellows and Cover Assembly
Triumph Engine Control Systems Llc
Cross-Reference Index
Part NumberManufacturer
72078 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
72078 Satair A/s (DNK)
Related Parts
4730-00-453-9037INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO GROOV
72078-7-7D
2915-00-780-3384INTERCHANGEABLE
BELLOWS AND COVER ASSEMBLY
72078

Frequently Asked Questions

What is NSN 5340-00-676-1808?

NSN 5340-00-676-1808 is a Locking Plate,nut and Bolt, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-676-1808?

NSN 5340-00-676-1808 has 2 cross-referenced part numbers: 72078 (Textron Lycoming Inc Williamsport Plant), 72078 (Satair A/s).

What NSN replaces 5340-00-676-1808?

There are 2 known substitutes for 5340-00-676-1808: 4730-00-453-9037, 2915-00-780-3384. Verify interchangeability with system specifications before substitution.

What are the specifications of 72078?

Key specifications for 72078: Prebent Locking Feature Location: END; Material: STEEL COMP 1010; Cross-Sectional Shape Style: FLAT; Material Document and Classification: AMS 5044 ASSN STD SINGLE MATERIAL RESPONSE. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-676-1808 still in active supply?

NSN 5340-00-676-1808 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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