Product Details | SOCKET HEAD CAP SCREW

5305-00-983-6621 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Part Alternates: MS1699780, MS16997-80, SP-59 PIECE 24, SP59PIECE24, 0716668, 403816, 950766, 95-0766, 5305-00-983-6621, 00-983-6621, 5305009836621 , 009836621

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1962 00-983-6621

Drawings & Photos | NSN 5305-00-983-6621


Demand History | NSN 5305-00-983-6621

Part Number Request Date QTY Origin
MS1699780 2024-10-276 400 United States
MS1699780 2019-11-315 1 United States
MS1699780 2019-03-65 56 US
5305-00-983-6621 2018-03-74 10 United States
MS16997-80 2015-05-138 4 United States
MS16997-80 2015-05-138 4 United States

Cross Reference | NSN 5305-00-983-6621

Part Number Cage Code Manufacturer
0716668 S3002 GENERAL DYNAMICS EUROPEAN,LAND-SYSTEMS-MOWAG GMBH
403816 5X050 CRYSTEEL MANUFACTURING, INC. DBA TBEI-CRYSTEEL
5305009836621 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
95-0766 45152 OSHKOSH CORPORATION
MS16997-80 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
SP-59 PIECE 24 06289 BEACH-RUSS COMPANY

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Technical Data | NSN 5305-00-983-6621

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.858 INCHES MINIMUM AND 0.889 INCHES MAXIMUM
FASTENER LENGTH 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH 160000 POUNDS PER SQUARE INCH
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.457 INCHES MINIMUM AND 0.468 INCHES MAXIMUM
HEAD HEIGHT 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS16997-80

Restrictions/Controls & Freight Information | NSN 5305-00-983-6621

Category Code Description
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.
Automatic Data Processing Equipment:0Represents 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 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 713 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 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 5305-00-983-6621

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each