PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20121Main Casting,retractable Landing

Grimes Aerospace Company · NSN 6220-00-110-8921 · FSC 6220 · No Item Name Available
Verified by PartsTable
NSN 6220-00-110-8921 — this item is cataloged by the U.S. Government under National Stock Number 6220-00-110-8921. Primary manufacturer part number: 20121.
Features
  • Main Casting,retractable Landing — FSC 6220
  • General Characteristics Item Description: 2.125IN. O/A W IN
  • 1 verified cross-reference
  • Primary manufacturer: Grimes Aerospace Company
Applications
  • Facility lighting installation
  • Emergency and exit lighting
  • Runway and airfield lighting
General Description

The Main Casting,retractable Landing, cataloged under National Stock Number 6220-00-110-8921, is classified within Federal Supply Class 6220 (No Item Name Available) of the Lighting Fixtures and Lamps 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6220-00-110-8921
Primary Part Number20121
Item NameMain Casting,retractable Landing
FSC / FSG6220 / 62 — No Item Name Available
ManufacturerGrimes Aerospace Company
StatusACTIVE
General Characteristics Item Description2.125IN. O/A W IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-026-257720-121 INTERCHANGEABLE
Screw
Motorola Automotive Electronics
5133-00-228-1370 INTERCHANGEABLE
Drill,twist
5940-00-258-21207612531 INTERCHANGEABLE
Terminal,lug
Us Army Aviation and Missile Command
3020-00-402-8238 INTERCHANGEABLE
Pulley,groove
5940-00-680-9727 INTERCHANGEABLE
Terminal,feedthru
5910-00-832-981420121 INTERCHANGEABLE
Capacitor Assembly
Clantech, Inc.
3040-01-101-983170400-01250-043 INTERCHANGEABLE
Connecting Link,rigid
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
4130-01-140-176720121 INTERCHANGEABLE
Coil,condenser
Frick Co
5330-01-176-798028094 INTERCHANGEABLE
Gasket
Alliance Laundry Systems Llc
3040-01-195-405020121 INTERCHANGEABLE
Shoe,cam Roller
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
20121 PRIMARY Grimes Aerospace Company (USA)
Related Parts
5305-00-026-2577INTERCHANGEABLE
SCREW
20-121
5133-00-228-1370INTERCHANGEABLE
DRILL,TWIST
5940-00-258-2120INTERCHANGEABLE
TERMINAL,LUG
7612531
3020-00-402-8238INTERCHANGEABLE
PULLEY,GROOVE
5940-00-680-9727INTERCHANGEABLE
TERMINAL,FEEDTHRU
5910-00-832-9814INTERCHANGEABLE
CAPACITOR ASSEMBLY
20121
3040-01-101-9831INTERCHANGEABLE
CONNECTING LINK,RIGID
70400-01250-043
4130-01-140-1767INTERCHANGEABLE
COIL,CONDENSER
20121
5330-01-176-7980INTERCHANGEABLE
GASKET
28094
3040-01-195-4050INTERCHANGEABLE
SHOE,CAM ROLLER
20121
4920-01-299-0279INTERCHANGEABLE
TEST PROGRAM SET
20121
7930-01-412-1033INTERCHANGEABLE
RUG AND ROOM FRESHENER
7100051405

Frequently Asked Questions

What is NSN 6220-00-110-8921?

NSN 6220-00-110-8921 is a Main Casting,retractable Landing, manufactured by Grimes Aerospace Company, classified under FSC 6220 (No Item Name Available). Status: active.

What are the part numbers for NSN 6220-00-110-8921?

NSN 6220-00-110-8921 has 1 cross-referenced part number: 20121 (Grimes Aerospace Company).

What NSN replaces 6220-00-110-8921?

There are 12 known substitutes for 6220-00-110-8921: 5305-00-026-2577, 5133-00-228-1370, 5940-00-258-2120 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20121?

Key specifications for 20121: General Characteristics Item Description: 2.125IN. O/A W IN. 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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