A51B21709-11

View detailed technical data, stock status, and sourcing information for: A51B21709-11

DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part A51B21709-11 to receive an up to date pricing and availability quote by email.

A51B21709-11
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-00-004-2975
Item Name Code
13206
Assigment Date
06/07/1972 (54 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

39.0 rockwell c minimum and 45.0 rockwell c maximum overall hardness rating, 1.3350 inches minimum and 1.3450 inches maximum overall length, 1.1050 inches minimum and 1.1100 inches maximum body inside diameter, square all corners corner shape, 1.2520 inches minimum and 1.2525 inches maximum body outside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length
1.3350 inches minimum and 1.3450 inches maximum
Body Outside Diameter
1.2520 inches minimum and 1.2525 inches maximum
Body Inside Diameter
1.1050 inches minimum and 1.1100 inches maximum
Corner Shape
square all corners
Hardness Rating
39.0 rockwell c minimum and 45.0 rockwell c maximum overall
Material
steel comp 410 overall
Material Document And Classification
ams 5612 assn std single material response overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response overall
Style Designator
solid, plain, no outside flanges
Test Data Document
"81349-mil-i-6868 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
A51B21709-11 Sleeve Bushing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3120-00-004-2975?
The FSCG of the NSN 3120-00-004-2975 is 3120
Does the NSN 3120-00-004-2975 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-00-004-2975 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3120-00-004-2975 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-004-2975 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3120-00-004-2975 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, Jun 7, 1972

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

You May Also Like

Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.

Pricing

Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:

ITAR Registered

Featured Parts

Explore our most requested parts, carefully selected based on customer demand and sourcing activity. Each listing provides current specifications, availability status, and item condition:

66-190911-1-20
4730-01-282-8696
Hose to Boss Straight Adapter
66-1910
5930-00-598-9680
Rotary Switch
66-19108-2
5340-01-392-5852
Bumper
66-1913
1560-01-077-8038
Aircraft Structural Plate
66-1915
5930-01-130-8055
Rotary Switch
66-19165-3
5365-01-648-8696
Sleeve Bushing
66-1917-1
5930-01-107-0917
Rotary Switch
66-19183-1
1560-01-195-3158
Observation Window Retainer
66-19187-1
1650-01-241-0341
Safety Valve Adapter
66-19187-2
1650-01-241-0341
Safety Valve Adapter
66-1920
5930-01-115-5909
Rotary Switch
66-1921-1
5330-01-632-0355
Plain Encased Seal
66-1921-2
5330-01-647-8017
Plain Seal
66-19216-1
5306-01-201-6376
Machine Bolt
66-19216-2
5306-01-198-4616
Machine Bolt