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Needle Roller Bearing

NSN: 3110-01-208-5389 | Model: AS21438

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

NSN Properties and Flags
NATO Stock Number
3110-01-208-5389
DEMIL
NO
Bore Diameter
Between 0.2493 inches and 0.2500 inches
Overall Outside Diameter
Between 0.8740 inches and 0.8760 inches
Lubrication Material
Grease
Outer Ring Width
Between 0.3300 inches and 0.3450 inches
Inner Ring Width
Between 0.3650 inches and 0.3750 inches
Crown Radius
10.0000 inches
Surface Finish
Ground
Seal Quantity
2
Bearing Seal Type
Contact
Alignment Type
Rigid
Features Provided
Lubrication hole and lubrication groove
Special Features
Plating on exposed surfaces as mounted; optional oil groove in id of outer ring
Lubrication Material Specification
Mil-g-81322 military specification single material response
Material
Steel comp e50100 roller or steel comp e51100 roller or steel comp e52100 roller
Material Specification
L-p-392 federal specification 1st material response seal or l-p-410 federal specification 2nd material response seal
Surface Treatment
Cadmium retaining plate or oxide retaining plate
Surface Treatment Specification
Qq-p-416, type 1, class 2 federal specification 1st treatment response retaining plate or mil-c-13924 military specification 2nd treatment response retaining plate
Style Designator
Track roller
Specification Data
96906-ms21438 government standard
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE4A620T2844 2019-10-28 PARAV 211 EA
SPE4A518T235P 2018-01-17 GPA39 854 EA
SPE4A518T085E 2017-12-22 GPA39 1128 EA

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 3110-01-208-5389 Datasheet

Supply Class (FSC):
Unmounted Antifriction Bearings
Cross Reference:
  • AS21438
  • MS21438-104
  • MS21438-104
Cage Codes:
  • Society Of Automotive Engineers Inc (CAGE 81343)
  • Military Standards (CAGE 96906)
Schedule B & Trade:
  • Schedule B: 8482400000 (NAICS 332991)

    Needle roller bearings

  • SITC: 74640

    Needle roller bearings

  • End Use: 21180

    Industrial machines, other

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    114820 - Bearings/bushings noi ball/roller

  • WCC:

    742 - Bearings

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LTL:

    P - 77.5

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    D
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Sf9---n
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $74.44 to $124.07..
Does NSN 3110-01-208-5389 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force, Department Of The Navy, Poland, Brazil, Spain, Singapore, Belgium, Canada, New Zealand, France, Germany, Republic Of Korea, and Italy
What is the NIIN of NSN 3110-01-208-5389?
012085389 or 01-208-5389
Does NSN 3110-01-208-5389 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3110-01-208-5389?
Solicitation SPE4A620T2844 for qty 211 on 10/21/2019
When was this national stock number assigned to the federal catalog?
May 15, 1985