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NSN 5305-00-484-4503, 5305004844503
SCREW,SHOULDER

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 004844503
Codification Country
United States
Item Name Code
INC 22846
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 5305-00-484-4503

National Stock Number (NSN) 5305-00-484-4503, or NIIN 004844503, (screw,shoulder) was assigned September 12, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 22846. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5305004844503 contains an unknown precious metal.

This NSN is associated to Schedule B 7318152000: bolts and bolts and their nuts or washers exported in the same shipment. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on .


Technical Characteristics

COUNTERSINK ANGLE
(CRSQ) 82.0 DEGREES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER
(CRZS) 0.204 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH
(AASB) 2.625 INCHES NOMINAL
HEAD HEIGHT
(AASU) 0.144 INCHES NOMINAL
HEAD DIAMETER
(AASL) 0.500 INCHES NOMINAL
HEAD STYLE
(AASK) FLAT CHAMFER
INTERNAL DRIVE STYLE
(ABQZ) SLOT
MATERIAL
(MATT) STEEL OVERALL
NOMINAL THREAD DIAMETER
(AHYM) 0.190 INCHES
SHANK UNTHREADED HOLE DIAMETER
(AAWB) 0.093 INCHES NOMINAL FIRST HOLE
SHOULDER DIAMETER
(AATN) 0.250 INCHES NOMINAL FIRST SHOULDER
SHOULDER SHAPE
(CWYB) ROUND FIRST SHOULDER
SHOULDER LENGTH
(AATX) 0.356 INCHES NOMINAL FIRST SHOULDER
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 2A
THREAD LENGTH
(AASA) 0.375 INCHES NOMINAL
THREAD SERIES DESIGNATOR
(THSD) UNC
THREAD QUANTITY PER INCH
(CMLP) 32

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