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Sleeve Bushing

NSN: 3120-01-629-2484 | Model: BACB28AP04W019
ITAR Registered seal

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 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.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Overall Length
Between 0.245 inches and 0.250 inches
Body Outside Diameter
Between 0.3759 inches and 0.3764 inches
Body Inside Diameter
Between 0.234 inches and 0.241 inches
Flange Outside Diameter
Between 0.530 inches and 0.540 inches
End Application
Flange Width
Between 0.060 inches and 0.065 inches
Hardness Rating
40.0 Rockwell c and 43.0 Rockwell c
Steel comp XM-12 or steel comp 630
Material Specification
Ams 5659 assn standard 1ST material response or ams 5643 assn standard 2ND material response
Surface Treatment
Surface Treatment Specification
QQ-P-416, type 2, cl 2 federal specification single treatment response
Style Designator
Solid, external flange one end
Specification Data
81205-BACB28AP manufacturers standard
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE4A020T0701 2019-12-30 GPP85 1 EA
SPE4A518T4500 2017-11-03 GPA39 1 EA
SPE4A517TEW84 2017-08-21 GPA39 1 EA

Pricing and Availability

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NSN 3120-01-629-2484 Datasheet

Supply Class (FSC):
Unmounted Plain Bearings
Cross Reference:
  • BACB28AP04W019
  • BACB28
Cage Codes:
  • The Boeing Company (CAGE 81205)
Schedule B & Trade:
  • Schedule B: 8482997060 (NAICS 332991)

    Parts, nesoi, for cylindrical roller bearings, Nisei

  • SITC: 74699

    Parts of ball and roller bearings, n.E.S.

  • End Use: 21180

    Industrial machines, other


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


A - Item does not contain precious metal.


A - No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.


- Represents items with no adp components


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

Freight Information:
  • NMFC:

    114800 - Bearing, roller, thrust

  • 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.

  • ACC:

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

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $273.98 to $456.64..
Does NSN 3120-01-629-2484 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 Army
What is the NIIN of NSN 3120-01-629-2484?
016292484 or 01-629-2484
Does NSN 3120-01-629-2484 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3120-01-629-2484?
Solicitation SPE4A020T0701 for qty 1 on 12/23/2019
When was this national stock number assigned to the federal catalog?
Jun 24, 2014