PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6503Fixture,aircraft Maintenance

Associated Aerospace Activities Inc · NSN 4920-00-334-4807 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-334-4807 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-334-4807. Primary manufacturer part number: 6503.
Features
  • Fixture,aircraft Maintenance — FSC 4920
  • Functional Description: USED IN SUPPORT OF ACFT MAINTENANCE
  • 2 verified cross-references
  • Primary manufacturer: Associated Aerospace Activities Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Fixture,aircraft Maintenance, cataloged under National Stock Number 4920-00-334-4807, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Associated Aerospace Activities Inc. Government technical data includes 1 verified specification, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-00-334-4807
Primary Part Number6503
Item NameFixture,aircraft Maintenance
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerAssociated Aerospace Activities Inc
StatusACTIVE
Functional DescriptionUSED IN SUPPORT OF ACFT MAINTENANCE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-043-22296503 INTERCHANGEABLE
Nut,plain,hexagon
International Business Machines Corp Parts Order Center Dept E - 54
3110-00-100-6150 INTERCHANGEABLE
Ball,bearing
5305-00-206-16656503 INTERCHANGEABLE
Screw,cap,hexagon Head
Hyster-Yale Group, Inc.
5975-00-284-69762523 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
6520-00-523-1120 INTERCHANGEABLE
Wheel,abrasive
6695-00-564-9500 INTERCHANGEABLE
Tester,oxygen Mask
1680-00-590-37696503 INTERCHANGEABLE
Parts Kit,actuator
Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
5950-00-647-5707 INTERCHANGEABLE
Transformer,power
5960-01-061-1774 INTERCHANGEABLE
Electron Tube
3920-01-111-01496503 INTERCHANGEABLE
Truck,hand
Matheson Co Div of G D Searle Medical Products
Cross-Reference Index
Part NumberManufacturer
6503 Associated Aerospace Activities Inc (USA)
6503 Allison Transmission Inc Dba Allison Transmission, Inc (USA)
Related Parts
5310-00-043-2229INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6503
3110-00-100-6150INTERCHANGEABLE
BALL,BEARING
5305-00-206-1665INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
6503
5975-00-284-6976INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2523
6520-00-523-1120INTERCHANGEABLE
WHEEL,ABRASIVE
6695-00-564-9500INTERCHANGEABLE
TESTER,OXYGEN MASK
1680-00-590-3769INTERCHANGEABLE
PARTS KIT,ACTUATOR
6503
5950-00-647-5707INTERCHANGEABLE
TRANSFORMER,POWER
5960-01-061-1774INTERCHANGEABLE
ELECTRON TUBE
3920-01-111-0149INTERCHANGEABLE
TRUCK,HAND
6503
2530-01-152-7888INTERCHANGEABLE
ADJUSTER,SLACK,BRAKE
KN47011
7310-01-229-2155INTERCHANGEABLE
CABINET,FOOD WARMING,STEAM HEATE
1034-DD

Frequently Asked Questions

What is NSN 4920-00-334-4807?

NSN 4920-00-334-4807 is a Fixture,aircraft Maintenance, manufactured by Associated Aerospace Activities Inc, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-334-4807?

NSN 4920-00-334-4807 has 2 cross-referenced part numbers: 6503 (Associated Aerospace Activities Inc), 6503 (Allison Transmission Inc Dba Allison Transmission, Inc).

What NSN replaces 4920-00-334-4807?

There are 12 known substitutes for 4920-00-334-4807: 5310-00-043-2229, 3110-00-100-6150, 5305-00-206-1665 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6503?

Key specifications for 6503: Functional Description: USED IN SUPPORT OF ACFT MAINTENANCE. 1 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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