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NSN: 5305-01-251-2915 / SCREW,CLOSE TOLERAN
- Product Description
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Product Description
| Manufacturer | Part Number |
|---|---|
| ELECTRIC BOAT CORPORATION , 96169 | 218001937 |
| NAVAL SEA SYSTEMS COMMAND , 53711 | 516-5343926 PIECE 18 |
| NAVAL SEA SYSTEMS COMMAND , 53711 | 501-7055651 ITEM 19 |
| MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M , 81349 | MIL-B-857TYB |
| ELECTRIC BOAT CORPORATION , 96169 | 60-01-3657A |
| Name | Value |
|---|---|
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.596 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| FASTENER LENGTH | 1.690 INCHES MINIMUM AND 1.790 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.850 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 13 |
| MATERIAL | NICKEL ALLOY R-405 OVERALL OR NICKEL ALLOY 400 OVERALL |
Additional Information:
| Agency Usage | End Item Usage | Criticality |
|---|---|---|
| Air Force, Navy | AIRCRAFT, HORNET F/A-18 | Critical Application |
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.
Cross Reference
218001937 96169ELECTRIC BOAT CORPORATION501-7055651 ITEM 19 53711NAVAL SEA SYSTEMS COMMAND516-5343926 PIECE 18 53711NAVAL SEA SYSTEMS COMMAND60-01-3657A 96169ELECTRIC BOAT CORPORATIONMIL-B-857TYB 81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
Restrictions/Controls & Freight Information
Shelf-Life Code:0Nondeteriorative Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. Controlled Inventory Item Code:UUNCLASSIFIED Precious Metals Indicator Code:AItem 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.
Management
Cognizance Codes9BNavy-owned stocks of DLA materialNaval Inventory Control Point, MechanicsburgSource of SupplySMSDefense Logistics AgencyEnterprise Business SystemsAgencyDNDepartment of the NavyService OrganizationNU.S. NavyAcquisition Advice CodesZINSURANCE/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 CodeUUNCLASSIFIEDShelf Life Code0NondeteriorativePurchasingQTY UOMA EA : Each
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