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NSN 5306-00-619-0977, 5306006190977
BOLT,CLOSE TOLERANCE

Federal Supply Classification
FSC 5306 - Bolts
National Item Identification Number
NIIN 006190977
Codification Country
United States
Item Name Code
INC 27851
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 5306-00-619-0977

National Stock Number (NSN) 5306-00-619-0977, or NIIN 006190977, (bolt,close tolerance) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

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

This NSN is unique to one weapons system.

This NSN is assigned to Item Name Code (INC) 27851. [AN EXTERNALLY THREADED FASTENER WHOSE UNTHREADED PORTION IS OF A SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001) OF AN INCH (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS ONE INCH (25 MM) OR LESS IN DIAMETER. ITEMS OVER ONE INCH (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN-THOUSANDTHS (0.0015) OF AN INCH (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001) OF AN INCH (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER, NOR IS IT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS HAVING CLOSE TOLERANCE, AND FABRICATED FROM MATERIAL HAVING 160,000 POUNDS PER SQUARE INCH (1100 MEGAPASCALS) MINIMUM TENSILE STRENGTH, SEE BOLT, SHEAR. FOR ITEMS FABRICATED FROM MATERIAL HAVING LESS THAN 160,000 POUNDS PER SQUARE INCH (1100 MEGAPASCALS) MINIMUM TENSILE STRENGTH AND NOT HAVING A CLOSE TOLERANCE, SEE BOLT, MACHINE.]. 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 5306006190977 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

FASTENER LENGTH
(AASB) 2.266 INCHES NOMINAL
GRIP DIAMETER
(AAUR) 0.6234 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM
GRIP LENGTH
(ANEE) 1.312 INCHES NOMINAL
HEAD HEIGHT
(AASU) 0.328 INCHES MINIMUM AND 0.360 INCHES MAXIMUM
HEAD STYLE
(AASK) HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
MINIMUM TENSILE STRENGTH
(CQBC) 125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER
(AHYM) 0.625 INCHES
WIDTH BETWEEN FLATS
(AATB) 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
SURFACE FINISH
(CSYM) 125.0 MICROINCHES THREADS
SURFACE FINISH
(CSYM) 250.0 MICROINCHES HEAD
SURFACE FINISH
(CSYM) 250.0 MICROINCHES TOP OF HEAD
SURFACE FINISH
(CSYM) 63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH
(CSYM) 63.0 MICROINCHES GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM AND CHROMATE OVERALL
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.953 INCHES MINIMUM
THREAD SERIES DESIGNATOR
(THSD) UNF
THREAD QUANTITY PER INCH
(CMLP) 18
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL AND CHROMATE OVERALL
MATERIAL
(MATT) STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 4037 OVERALL

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