NSN 4730-00-659-8976 AS4841 , BACN10DU, BACN10DU8C
Product Details | TUBE FITTING LOCKNUT
4730-00-659-8976 An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also LOCKNUT, PIPE; NUT (1), TUBE COUPLING and NUT (1), PLAIN, HEXAGON.
Part Alternates: AS4841 , BACN10DU, BACN10DU8C, BACN10DU8J, 4730-00-659-8976, 00-659-8976, 4730006598976, 006598976
Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | 01 JAN 1963 | 00-659-8976 | 17645 ( LOCKNUT, TUBE FITTING ) |
Drawings & Photos | NSN 4730-00-659-8976
Demand History | NSN 4730-00-659-8976
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| AS4841 | 2025-04-106 | 1 | France |
| 4730-00-659-8976 | 2023-12-351 | 75 | DIBBS |
| AS4841 | 2011-03-69 | 8 | |
| 4730-00-659-8976 | 2011-01-06 | 64 | DIBBS |
| 4730-00-659-8976 | 2010-11-306 | 42 | DIBBS |
| 4730-00-659-8976 | 2010-04-112 | 66 | DIBBS |
| 4730-00-659-8976 | 2009-08-231 | 42 | DIBBS |
Cross Reference | NSN 4730-00-659-8976
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Technical Data | NSN 4730-00-659-8976
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.750 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NUT STYLE | A391 TUBE FITTING LOCKNUT |
| NUT HEIGHT | 0.328 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.996 INCHES MINIMUM AND 1.003 INCHES MAXIMUM |
| PACKING RECESS DIAMETER | 0.915 INCHES MINIMUM AND 0.925 INCHES MAXIMUM |
| PACKING RECESS DEPTH | 0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM |
| NOMINAL TUBE OUTSIDE DIAMETER | 0.500 INCHES |
Restrictions/Controls & Freight Information | NSN 4730-00-659-8976
| 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: | U | Precious metal type is unknown |
| 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 | 052190 | PIPE,TUBING,OR PIPE OR TUBING FITTI |
| Less than car load rating | U | 50 |
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 576 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | ||
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | Z | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 4730-00-659-8976
Air Force| Category | Code | Description |
|---|---|---|
| Budget Code | 9 | General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors. |
| Materiel Management Aggregation Code | FG | SX:B-52 STRATO FORTRESS |
| Fund Code | SF | Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point. |
| Price Validation | V | The current standard price has been validated.
|
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DF | Department of the Air Force |
| Service Organization | F | U.S. Air Force |
| Reparability | N | Stock Fund (except Munitions) |
| Acquisition Advice Codes | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
A EA : Each |