Model: NAS1189-4R12

Machine Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.644 inches
Fastener Length
0.750 inches
Head Style
Flat countersunk
Head Diameter
0.325 inches
Locking Feature
Patch or pellet or strip
Internal Drive Style
Torque set
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Part Name Assigned By Controlling Agency
Screw self locking flat 100 degrees head full thread
Screw Material
Iron alloy 660 and titanium alloy uns r56400
Thread Series Designator
Unjf
NSN
5305-01-578-2172
Part Number
NAS1189-4R12
Description
Screw,machine
CAGE

Part NAS1189-4R12 NSN 5305-01-578-2172

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
Concept No.:
App. Key:
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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
72E
TCC:
Z
SHC:
9
ACC:
Construction Materials

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