Product Details | SHOULDER SCREW

5305-01-521-6880 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.

Part Alternates: MS5157636, MS51576-36, 5305-01-521-6880, 01-521-6880, 5305015216880, 015216880

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 29 JUN 2004 01-521-6880

Drawings & Photos | NSN 5305-01-521-6880


Demand History | NSN 5305-01-521-6880

Part Number Request Date QTY Origin
5305-01-521-6880 2018-06-164 5 US
5305-01-521-6880 2014-08-241 49 DIBBS
5305-01-521-6880 2014-08-231 49 DIBBS
5305-01-521-6880 2014-08-229 49 DIBBS
5305-01-521-6880 2014-03-70 10 US
5305-01-521-6880 2013-03-62 48 DIBBS
5305-01-521-6880 2013-01-02 12 United States
MS5157636 2012-10-298 6 United States
5305-01-521-6880 2009-11-314 10 US

Cross Reference | NSN 5305-01-521-6880

Part Number Cage Code Manufacturer
MS51576-36 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5305-01-521-6880

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.4688 INCHES MINIMUM AND 0.5312 INCHES MAXIMUM
FASTENER LENGTH 1.9658 INCHES MINIMUM AND 2.0342 INCHES MAXIMUM
MATERIAL STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A582/582M ASSN STD 1ST MATERIAL RESPONSE OR ASTM A193 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35, TYPE II ASSN STD 1ST TREATMENT RESPONSE OR QQ-P-35, TYPE VI OR VII ASSN STD 2ND TREATMENT RESPONSE OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.5313 INCHES MINIMUM AND 0.5937 INCHES MAXIMUM
HEAD HEIGHT 0.2188 INCHES MINIMUM AND 0.2812 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.1880 INCHES NOMINAL
SHOULDER SHAPE ROUND OVERALL
SHOULDER DIAMETER 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM OVERALL
SHOULDER LENGTH 1.497 INCHES MINIMUM AND 1.503 INCHES MAXIMUM OVERALL
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS51576-36

Restrictions/Controls & Freight Information | NSN 5305-01-521-6880

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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 573 unknown
Originating Activity Code DF U.S. Army Tank Automotive Command
Warren, MI 48090
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 5305-01-521-6880

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each