MB251-4D30 Machine Bolt
5306-01-131-9821
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Official Item Classification
- 이름
- Machine Bolt
- 부품 번호
- MB251-4D30
- (NSN) 국가 재고 번호
- 5306-01-131-9821
- (FSG) 연방 공급 그룹
- 53 Hardware and Abrasives
- (FSC) 연방 공급 분류
- 5306 볼트
- (INC) 품목 이름 코드
- 01847
- (FIIG) 연방 품목 식별 가이드
- A003B0
- 날짜
- 05/20/1982 (44년 전)
hexagon head style, 3a thread class, 2.285 inches minimum and 2.315 inches maximum fastener length, 0.400 inches minimum and 0.450 inches maximum thread length, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.400 inches minimum and 0.450 inches maximum
2.285 inches minimum and 2.315 inches maximum
hexagon
0.125 inches minimum and 0.140 inches maximum
0.430 inches minimum and 0.439 inches maximum
0.076 inches minimum and 0.086 inches maximum first hole
0.250 inches
1.865 inches minimum and 1.885 inches maximum
finished head
28
2.094 inches minimum and 2.144 inches maximum first hole
16.0 microinches threads
63.0 microinches bearing surface of head
63.0 microinches grip
titanium alloy uns r56400 overall
ams4967 assn std single material response overall
aluminum and chromate overall
mil-c-83488 type 2 class 3 mil spec single treatment response overall
unjf
Regulatory Compliance
Item does not contain precious metal.
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0001847
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