MS20006H57

Part identification

NSN	5306-00-836-9018
NIIN	00-836-9018
FSC	5306
FSG	53
Item Name	Bolt, Internal Wrenching
INC	06666
Assigned Date	01-JAN-1962
Status	Active

Technical characteristics

Thread Class	3A
Thread Direction	Right-hand
Thread Length	0.662 inches minimum and 0.712 inches maximum
Fastener Length	4.235 inches minimum and 4.265 inches maximum
Head Diameter	0.639 inches minimum and 0.679 inches maximum
Head Height	0.375 inches nominal
Hole Diameter	0.055 inches nominal
Internal Drive Style	Hexagon
Nominal Thread Diameter	0.375 inches
Width Across Flats	0.313 inches minimum and 0.315 inches maximum
Hole Quantity	4
Hole Type	Drilled
Thread Quantity per Inch	24
Minimum Tensile Strength	160000 pounds per square inch
Hardness Rating	34.0 rockwell C minimum overall and 40.0 rockwell C maximum overall
Hole Configuration Style	Round longitudinal hole
Material	Steel comp 4140 overall or steel comp E4340 overall or steel comp 6150 overall or steel comp 8735 overall or steel comp 8740 overall
Material Document and Classification	MIL-S-5626 mil spec 1ST material response overall or MIL-S-5000 mil spec 2ND material response overall or MIL-S-8503 mil spec 3RD material response overall or MIL-S-6098 mil spec 4TH material response overall or MIL-S-6049 mil spec 5TH material response overall
Surface Treatment	Cadmium overall and chromate overall
Surface Treatment Document and Classification	QQ-P-416, type 2 cl 3 fed spec single treatment response overall
Thread Series Designator	UNF

Manufacturers

Bosch Rexroth GMBH Lohmann (CAGE D9182) — Type E

Inspektorat Wsparcia SIL Zbrojnych (CAGE 9009H) — Type H

Military Standards (CAGE 96906) — Type M

National Aerospace Standards (CAGE 80205) — Type C

Alternate part numbers

5306PL0908953 (CAGE 9009H)

MS20006H57 (CAGE 80205)

MS20006H57 (CAGE 96906)

NAS146DH68 (CAGE D9182)