NSN 3040-01-338-3674 1387F91 FIND 4, 1387F91FIND4, 1663C90
Product Details | SHOULDERED SHAFT
3040-01-338-3674 A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (AA), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see AXLE(1), SHOULDERED. For items not having any of the above conditions see PIN, SHOULDER, HEADLESS. Excludes SHAFT(1), STRAIGHT; and AXLE(1), STRAIGHT.
Part Alternates: 1387F91 FIND 4, 1387F91FIND4, 1663C90, 1663C90 H01, 1663C90H01, 3040-01-338-3674, 01-338-3674, 3040013383674, 013383674
Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 03 MAY 1991 | 01-338-3674 | 22914 ( SHAFT, SHOULDERED ) |
Drawings & Photos | NSN 3040-01-338-3674
Demand History | NSN 3040-01-338-3674
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 1387F91 FIND 4 | 2025-09-254 | 1 | DIBBS |
| 1663C90 | 2025-09-254 | 1 | DIBBS |
| 1663C90 H01 | 2025-09-254 | 1 | DIBBS |
| 1387F91 FIND 4 | 2020-02-50 | 1 | DIBBS |
| 1663C90 | 2020-02-50 | 1 | DIBBS |
| 1663C90 H01 | 2020-02-50 | 1 | DIBBS |
| 3040-01-338-3674 | 2017-02-36 | 1 | DIBBS |
| 3040-01-338-3674 | 2016-12-350 | 1 | DIBBS |
| 3040-01-338-3674 | 2016-09-273 | 1 | DIBBS |
| 3040-01-338-3674 | 2015-10-302 | 1 | DIBBS |
| 3040-01-338-3674 | 2013-10-298 | 1 | DIBBS |
| 3040-01-338-3674 | 2010-09-246 | 2 | DIBBS |
| 3040-01-338-3674 | 2009-04-107 | 5 | DIBBS |
| 3040-01-338-3674 | 2007-12-341 | 3 | DIBBS |
Cross Reference | NSN 3040-01-338-3674
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1387F91 FIND 4 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| 1663C90 | 30828 | KROBACH MFG. CORP. |
| 1663C90 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
| 1663C90 H01 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS |
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Related Products | NSN 3040-01-338-3674
Technical Data | NSN 3040-01-338-3674
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| SURFACE FINISH | 63.0 MICROINCHES |
| FIRST END STYLE | 1 PLAIN |
| FIRST END DIAMETER | 1.2290 INCHES NOMINAL |
| END SIMILARITY | NOT IDENTICAL |
| SECOND END STYLE | 23 UNTHREADED CROSS DRILLED |
| SECOND END DIAMETER | 1.2505 INCHES MINIMUM AND 1.2515 INCHES MAXIMUM |
| SECOND END HOLE DIAMETER | 0.2500 INCHES NOMINAL |
| SECOND END DISTANCE FROM HOLE CENTER TO END | 0.650 INCHES NOMINAL |
| LARGEST STEP DIAMETER | 1.250 INCHES MINIMUM AND 1.251 INCHES MAXIMUM |
| OVERALL LENGTH | 29.000 INCHES NOMINAL |
| STEP QUANTITY | 4 |
Restrictions/Controls & Freight Information | NSN 3040-01-338-3674
| 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. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 126900 | POWER TRANS SHAFTING/SHAFTS |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 593 | unknown |
| Originating Activity Code | AX | Defense Supply Center Columbus Columbus, OH 43216-5000 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| 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 3040-01-338-3674
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| 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 |