PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1021053-1Bushing,sleeve

Regal Air, Inc. · NSN 3120-00-555-5069 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-555-5069 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-555-5069. Primary manufacturer part number: 1021053-1.
Features
  • Bushing,sleeve — FSC 3120
  • Body Outside Diameter: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: STEEL COMP 4130 OVERALL
  • Material Document and Classification: MIL-T-6736,TY 1,COND N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 0.1865 INCHES MINIMUM AND 0.2065 INCHES MAXIMUM IN
  • 4 verified cross-references
Applications
  • Applications requiring Steel Comp 4130 Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-555-5069, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Regal Air, Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN3120-00-555-5069
Primary Part Number1021053-1
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRegal Air, Inc.
StatusACTIVE
Body Outside Diameter0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialSTEEL COMP 4130 OVERALL
Material Document and ClassificationMIL-T-6736,TY 1,COND N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter0.1865 INCHES MINIMUM AND 0.2065 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2310-00-067-6727 INTERCHANGEABLE
Automobile,sedan
5920-00-280-50601169 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
5305-00-286-89721169 INTERCHANGEABLE
Screw,machine
Lucent Technologies Inc Corporate Headquarters
6760-00-411-32921169 INTERCHANGEABLE
Adapter,lens,camera
Birns & Sawyer, Inc.
6105-00-541-8472 INTERCHANGEABLE
Motor,alternating Current
5970-00-738-5960 INTERCHANGEABLE
Insulating Compound Kit,electric
5315-01-106-0163 INTERCHANGEABLE
Key
5905-01-128-0459PC70073-3 INTERCHANGEABLE
Resistor Network,fixed,film
Rockwell Collins, Inc. Dba Rc Displays Systems
5325-01-142-3526 INTERCHANGEABLE
Grommet,nonmetallic
2910-01-178-85334293802 INTERCHANGEABLE
Pump,fuel,metering and Distribut
Chrysler Corp Service and Parts Opns
Cross-Reference Index
Part NumberManufacturer
1021053-1 PRIMARY Regal Air, Inc. (USA)
156001-186-3 Us Army Aviation and Missile Command (USA)
1021053-1 Cessna Aircraft Company Dba Textron Aviation (USA)
1169 Ott Brothers Manufacturing Co., Inc. (USA)
Related Parts
2310-00-067-6727INTERCHANGEABLE
AUTOMOBILE,SEDAN
5920-00-280-5060INTERCHANGEABLE
FUSE,CARTRIDGE
1169
5305-00-286-8972INTERCHANGEABLE
SCREW,MACHINE
1169
6760-00-411-3292INTERCHANGEABLE
ADAPTER,LENS,CAMERA
1169
6105-00-541-8472INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5970-00-738-5960INTERCHANGEABLE
INSULATING COMPOUND KIT,ELECTRIC
5315-01-106-0163INTERCHANGEABLE
KEY
5905-01-128-0459INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
PC70073-3
5325-01-142-3526INTERCHANGEABLE
GROMMET,NONMETALLIC
2910-01-178-8533INTERCHANGEABLE
PUMP,FUEL,METERING AND DISTRIBUT
4293802
5340-01-276-7426INTERCHANGEABLE
LATCH,MORTISE
1169
2530-01-363-4357INTERCHANGEABLE
ACTUATOR ASSEMBLY,AIR BRAKE
1169

Frequently Asked Questions

What is NSN 3120-00-555-5069?

NSN 3120-00-555-5069 is a Bushing,sleeve, manufactured by Regal Air, Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-555-5069?

NSN 3120-00-555-5069 has 4 cross-referenced part numbers: 1021053-1 (Regal Air, Inc.), 156001-186-3 (Us Army Aviation and Missile Command), 1021053-1 (Cessna Aircraft Company Dba Textron Aviation), 1169 (Ott Brothers Manufacturing Co., Inc.).

What NSN replaces 3120-00-555-5069?

There are 12 known substitutes for 3120-00-555-5069: 2310-00-067-6727, 5920-00-280-5060, 5305-00-286-8972 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1021053-1?

Key specifications for 1021053-1: Body Outside Diameter: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material: STEEL COMP 4130 OVERALL; Material Document and Classification: MIL-T-6736,TY 1,COND N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 7 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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