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NSN 5306-01-256-6827, 5306012566827
BOLT,EXTERNALLY RELIEVED BODY

Federal Supply Classification
FSC 5306 - Bolts
National Item Identification Number
NIIN 012566827
Codification Country
United States
Item Name Code
INC 06675
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 5306-01-256-6827

National Stock Number (NSN) 5306-01-256-6827, or NIIN 012566827, (bolt,externally relieved body) was assigned June 8, 1987 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.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 14, 2010, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 06675. [AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, AND WHOSE UNTHREADED PORTION HAS BEEN MACHINED OR GROUND IN ONE OR MORE PLACES OR OVER ITS ENTIRE LENGTH TO A MAXIMUM DIAMETER LESS THAN THE MINIMUM PITCH DIAMETER OF THE THREAD (EXCLUDES:UNDERCUTS FOR THREAD RELIEF). IT IS NO. 10 (0.190 IN.) (5 MM) OR LARGER IN SIZE AND HAS A HEAD WHICH IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER OR DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES:BOLT, INTERNAL WRENCHING AND THUMBSCREW. SEE ALSO SCREW, EXTERNALLY RELIEVED BODY.]. 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 5306012566827 does not contain precious metals.

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

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER
(AAWH) 1.312 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER
(AAWJ) 1.437 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY
(CSNG) 2
FASTENER LENGTH
(AASB) 1.750 INCHES NOMINAL
FEATURES PROVIDED
(CBBL) FINISHED HEAD
FIRST DIAMETER FROM HEAD
(AAWC) 0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.188 INCHES NOMINAL
HEAD STYLE
(AASK) HEXAGON
MATERIAL
(MATT) STEEL OVERALL
NOMINAL THREAD DIAMETER
(AHYM) 0.250 INCHES
SECOND DIAMETER FROM HEAD
(AAWD) 0.190 INCHES MINIMUM AND 0.196 INCHES MAXIMUM
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.313 INCHES NOMINAL
THREAD QUANTITY PER INCH
(CMLP) 20
THREAD SERIES DESIGNATOR
(THSD) UNC
WIDTH BETWEEN FLATS
(AATB) 0.562 INCHES NOMINAL

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