Model: 1278271

Assembled Washer Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.542 inches
Fastener Length
0.625 inches
Head Style
Pan
Head Diameter
Between 0.594 inches and 0.615 inches
Head Height
Between 0.203 inches and 0.218 inches
Washer Quantity
1
Internal Drive Style
Cross recess type 1
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
24
Primary Washer Outside Diameter
Between 0.678 inches and 0.698 inches
Primary Washer Style
Dome external and internal teeth
Primary Washer Material Thickness
0.050 inches
Material
Steel comp 1010 fastener
Material
Steel primary washer
Surface Treatment
Phosphate
Thread Series Designator
Unf
NSN
5305-00-737-4835
Part Number
1278271
Description
Screw,assembled Washer
CAGE
12204

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

Part 1278271 NSN 5305-00-737-4835

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06660
FIIG:
A003B0
Concept No.:
App. Key:
SA
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:
U
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:
M
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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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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