HSB4-138 Self-Aligning Plain Bearing
Comprehensive specifications and application details for: HSB4-138 Self-Aligning Plain Bearing.
Summary
Explore detailed summary information for bearing: HSB4-138. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.
- Part Number
- HSB4-138
- Federal Supply Classification
- 3120 Unmounted Plain Bearings
- (NSN) National Stock Number
- 3120-01-135-6517
- Item Name Code
- 13208
- Federal Item Identification Guide
- A045A0
- Assigment Date
- 07/28/1982
A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.
mil-l-6085 mil spec single material response lubrication material document and classification, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, 0.3380 inches minimum and 0.3430 inches maximum inner member width, oil lubricating lubrication material, 0.6557 inches minimum and 0.6562 inches maximum outer member outside diameter
Datasheet
Below are the comprehensive technical specifications for bearing: 3120-01-135-6517 . Find dimensions, materials, tolerances, performance characteristics, etc.
- Bore Diameter
- 0.2495 inches minimum and 0.2500 inches maximum
- Inner Member Width
- 0.3380 inches minimum and 0.3430 inches maximum
- Material Document And Classification
- mil-l-6085 mil spec single material response lubrication
- Material
- oil lubricating lubrication
- Outer Member Outside Diameter
- 0.6557 inches minimum and 0.6562 inches maximum
- Outer Member Width
- 0.2450 inches minimum and 0.2550 inches maximum
- Precious Material And Location
- internal outer member silver
- Precious Material
- silver
- Static Radial Load Rating
- 6340 pounds
- Special Features
- surface treatment of inner race member 0.0002 in. min thk; surface treatment of outer race member 0.0003 in. min thk; 0.0020 in. max radial play
Frequently Asked Questions
Find quick answers to common questions about bearing: HSB4-138. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.
- What is the FSCG of the NSN 3120-01-135-6517?
- The FSCG of the NSN 3120-01-135-6517 is 3120
- Does the NSN 3120-01-135-6517 have a Schedule B code assigned?
- Yes, the Schedule B code is 8482300040
- Does NSN 3120-01-135-6517 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 3120-01-135-6517 contain precious materials?
- Item contains silver.
- Does NSN 3120-01-135-6517 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 3120-01-135-6517 was assigned to the Federal Catalog?
- It was assigned 44 years ago, on Wed, Jul 28, 1982
Price & Availability
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Stock Availability
This product is available in the following quantities and conditions:
| New Material | 58 |
| New Surplus | 48 |
| Total | 106 |
Availability of this item was last updated on:
01/15/2026 03:01 PM EST.
Availability may have changed since then. Request a quote for up to date pricing and availability.