Airframe Ball Bearing

SKU: 3110000420444 | Model: AS27642
NSN 3110-00-042-0444 NSN 3110-00-042-0444

1.3130" bore diameter, 2.0625" outside diameter, grease lubrication material, 0.3750" outer ring width, 0.4370" inner ring width

Specifications from the Manufacturer

Bore Diameter:
1.3130 inches nominal
Overall Outside Diameter:
2.0625 inches nominal
Lubrication Material:
Outer Ring Width:
0.3750 inches nominal
Inner Ring Width:
0.4370 inches nominal
Seal Quantity:
Bearing Seal Type:
Load Direction:
Standard Tolerance Designation:
Afbma std tolerance for airframe ball bearings
Special Features:
W80 pct.full of mil-g-81322,heat treat rings and balls to rockwell c 60 to 66 and stabilized for operation at 250 deg. f,radial and lateral eccentricity,inner ring 0.0010 in. outer ring 0.0016 in.,0.0003-0.0010 in. radial clearance
Lubrication Material Document And Classification:
Mil-g-81322 mil spec single material response
Plastic polytetrafluoroethylene seal
Steel comp e51100 or steel comp e52100 ball
Material Document And Classification:
66 fed std all material responses ball
Material Document And Classification:
Ams 3652 assn std single material response or ams 3666 assn std single material response seal
Surface Treatment:
Cadmium exposed surfaces as mounted
Surface Treatment Document And Classification:
Qq-p-416,ty 1,cl 2 fed spec single treatment response exposed surfaces as mounted
Style Designator:
Single row inner ring extended both sides

Pricing and Availability

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0.6230" shank diameter, internally threaded shank style, 2.3440" length, 0.2500" bore diameter, 0.9380" outside diameter

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Flat w/aperture cross-sectional shape style, 0.218" mounting hole diameter, 1.200" aperture diameter, 0.050" thickness

NSN 3110-00-095-7234 Rod End Roller Bearing

3A thread class, right-hand , 0.3750" shank diameter, externally threaded shank style, 2.2800" length, 0.2495" bore diameter

NSN 3110-00-042-0444 Datasheet

Supply Class:


Cross Reference:

  • AS27642
  • MS27642
  • KP21BFS50160
  • K21B
  • MS27642-21
  • KP21BFS464
  • KP21B
  • MA27642-21
  • MS27642KP21B
  • 6026-7055
  • 6026-7055-4
  • KP21BANG25
  • KP21BFS10160
  • AN202KP21B
  • AN202KP21BANG25
  • MS20202KP21B

Cage Codes:

  • Society Of Automotive Engineers Inc (CAGE 81343)
  • Industrial Tectonics Bearings (CAGE 06144)
  • Skf Usa Inc (CAGE 38443)
  • Duchossois Industries Inc (CAGE 91936)
  • Raytheon Technical Services Company (CAGE 36378)
  • Timken Company, The (CAGE 21335)
  • Aeronautical Standards Group (CAGE 88044)
  • Joint Aircraft Committee (CAGE 80059)
  • Military Standards (CAGE 96906)

Replaced or Cancelled:

3110-00-042-0444 replaces the national stock number 3110-00-142-4485


NIIN: 000420444
NSN: 3110000420444
DEMIL Code Meaning: Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations.

Freight Codes:

NMF Desc: Bearings/bushings Noi Ball/roller
NMFC: 114820
UFC: 58860
LTL: 77.5
WCC: Bearings
TCC: No special type of cargo code applicable
SHC: Other or no special handling required (sh)
ADC: Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC: Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
ASH: No special handling required.

Management Codes:

CTL: 9B----- (MOE: DN), SF9---V (MOE: DF)
AAC: Dod integrated materiel-managed, stocked, and issued issue, transfer, or shipment is not subject to specialized controls other than those imposed by the integrated materiel manager/service supply policy. 1. the item is centrally managed, stocked,
QUP: 1
SLC: 0

Reference Drawing:

[drawing of 3110-00-042-0444]

Schedule B & Trade:

8482105068 (NAICS 332991)
Ball bearings, nesoi

Ball bearings

End Use:

Industrial machines, other

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 3110-00-042-0444 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
How is national stock number 3110-00-042-0444 defined?
A cylindrical item in which the inner or outer ring turns upon row(s) of hardened ball, bearing which roll on a raceway, thus minimizing friction. these items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. excludes bearing, ball, annular.
What is the NIIN of NSN 3110-00-042-0444?
000420444 or 00-042-0444
Does this item require Demilitarization?
Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9).
Is NSN 3110000420444 ITAR controlled?
No. This item is not ITAR Controlled.
What is the most recent solicitation for NSN 3110000420444?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 13, 1972