PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet
MRO / Hardware and Abrasives / 5340-00-420-7903

A-6503Clip,mounting,instrument Lightin

Grimes Aerospace Company · NSN 5340-00-420-7903 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-420-7903 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-420-7903. Primary manufacturer part number: A-6503.
BOLT/SCREW PROFILE
5340-00-420-7903 — No Item Name Available illustration
Features
  • Clip,mounting,instrument Lightin — FSC 5340
  • General Characteristics Item Description: PHOS. BRONZE,EBONOL FINISH,2.872 IN. MIN,2.878 IN. MAX. LG,1.567 IN. MIN,1.573 IN. MAX. RADIUS CUT-OUT FOR INSTRUMENT ACCOMMODATION,2 EA. 0.169 IN. DIA. MTG. HOLES,2.468 IN. C TO C IN
  • 1 verified cross-reference
  • Primary manufacturer: Grimes Aerospace Company
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Clip,mounting,instrument Lightin, cataloged under National Stock Number 5340-00-420-7903, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Grimes Aerospace Company. Government technical data includes 1 verified specification, 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
NSN5340-00-420-7903
Primary Part NumberA-6503
Item NameClip,mounting,instrument Lightin
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerGrimes Aerospace Company
StatusACTIVE
General Characteristics Item DescriptionPHOS. BRONZE,EBONOL FINISH,2.872 IN. MIN,2.878 IN. MAX. LG,1.567 IN. MIN,1.573 IN. MAX. RADIUS CUT-OUT FOR INSTRUMENT ACCOMMODATION,2 EA. 0.169 IN. DIA. MTG. HOLES,2.468 IN. C TO C IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
⇄ Verified Substitutes 2
5310-00-262-2998A6503 INTERCHANGEABLE
Washer,flat
Fairbanks Morse, Llc
5950-00-471-8374SM-B-698129 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
A-6503 PRIMARY Grimes Aerospace Company (USA)
Related Parts
5310-00-262-2998INTERCHANGEABLE
WASHER,FLAT
A6503
5950-00-471-8374INTERCHANGEABLE
COIL,RADIO FREQUENCY
SM-B-698129

Frequently Asked Questions

What is NSN 5340-00-420-7903?

NSN 5340-00-420-7903 is a Clip,mounting,instrument Lightin, manufactured by Grimes Aerospace Company, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-420-7903?

NSN 5340-00-420-7903 has 1 cross-referenced part number: A-6503 (Grimes Aerospace Company).

What NSN replaces 5340-00-420-7903?

There are 2 known substitutes for 5340-00-420-7903: 5310-00-262-2998, 5950-00-471-8374. Verify interchangeability with system specifications before substitution.

What are the specifications of A-6503?

Key specifications for A-6503: General Characteristics Item Description: PHOS. BRONZE,EBONOL FINISH,2.872 IN. MIN,2.878 IN. MAX. LG,1.567 IN. MIN,1.573 IN. MAX. RADIUS CUT-OUT FOR INSTRUMENT ACCOMMODATION,2 EA. 0.169 IN. DIA. MTG. HOLES,2.468 IN. C TO C IN. 1 total characteristics are documented in the Federal Logistics Information System.

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