Model: MS51955-21

Setscrew

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.000 inches
Fastener Length
Between 0.938 inches and 1.000 inches
Head Style
Square
Head Height
Between 0.224 inches and 0.245 inches
Width Between Flats
Between 0.302 inches and 0.312 inches
Point Style
Cup
Internal Drive Style
W/o internal drive
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
18
Hardness Rating
30.0 rockwell c and 37.0 rockwell c
Material Specification
66 federal standard all material responses
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 type 2 class 3 federal specification all treatment responses
Thread Series Designator
Unc
NSN
5305-00-054-9266
Part Number
MS51955-21
Description
Setscrew
CAGE
96906

Part MS51955-21 NSN 5305-00-054-9266

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06672
FIIG:
A003B0
Concept No.:
App. Key:
SQ
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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