NSN 3110-01-491-2888 M17931A014, M17931-A014, MILB17931
Product Details | DUPLEX BALL BEARING
3110-01-491-2888 Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.
Part Alternates: M17931A014, M17931-A014, MILB17931, MIL-B-17931, D286-215 ITEM53, D286215ITEM53, ESB 052-5, ESB0525, 3110-01-491-2888, 01-491-2888, 3110014912888, 014912888
Bearings | Bearings, Antifriction, Unmounted
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | 17 OCT 2001 | 01-491-2888 | 30213 ( BEARING, BALL, DUPLEX ) |
Drawings & Photos | NSN 3110-01-491-2888
Demand History | NSN 3110-01-491-2888
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 3110-01-491-2888 | 2022-07-199 | 1 | DIBBS |
| 3110-01-491-2888 | 2021-07-182 | 1 | DIBBS |
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Technical Data | NSN 3110-01-491-2888
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-17931, SIZE 7309 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYLE DESIGNATOR | 90A UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE |
| OVERALL WIDTH | 1.9686 INCHES NOMINAL |
| BORE DIAMETER | 1.7715 INCHES MINIMUM AND 1.7717 INCHES MAXIMUM |
| OVERALL OUTSIDE DIAMETER | 3.9368 INCHES MINIMUM AND 3.9370 INCHES MAXIMUM |
| LUBRICATION MATERIAL | GREASE |
| LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE |
| SURFACE FINISH | GROUND |
| RETAINER FABRICATION METHOD | PRESSED |
| LOAD DIRECTION | ANGULAR |
| INTERNAL FIT-UP DESIGNATION | TIGHT |
| SPECIAL FEATURES | TYPE 134, CLASS 2, CARTRIDGE B, PHENOLIC RETAINER/INPAIR |
| III END ITEM IDENTIFICATION | CONTROL UNIT |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-B-17931 |
| MANUFACTURERS CODE | 81349 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M17931-A014 |
Restrictions/Controls & Freight Information | NSN 3110-01-491-2888
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| NMF Description | 114820 | BEARINGS/BUSHINGS NOI BALL/ROLLER |
| Less than car load rating | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 742 | unknown |
| Originating Activity Code | CX | Defense Supply Center Richmond Richmond, VA 23297-5000 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 3110-01-491-2888
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Special Material ID | NT | Annular Ball Bearing for quiet operation application to submarine usage, (Noise Test Bearings) |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |