Model: 2A1278

Cap Plain Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Counterbore Diameter
0.396 inches nut and 0.416 inches nut
Nut Style
Cap
Nut Height
Between 1.115 inches and 1.135 inches
Nut Counterbore Depth
0.052 inches nut and 0.072 inches nut
Width Across Flats
Between 0.552 inches and 0.572 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
24
Hardness Rating
55.0 rockwell c
Thread Size
0.375 inches
Countersink Angle
90.0 degrees nut
Bearing Surface Type
Flat
Material
Steel
NSN
5310-00-208-3013
Part Number
2A1278
Description
Nut,plain,cap
CAGE

An item internally threaded from one end, and completely inclosed on the opposite end. The outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, or dodecagonal and taper to a cone or dome shape on the closed end. For like items which are stamped or formed from sheet stock, see nut (1), stamped. For similar items which are flat on top and bottom see nut (1), sleeve or post, electrical-mechanical equipment.

Part 2A1278 NSN 5310-00-208-3013

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01855
FIIG:
A021A0
Concept No.:
1
App. Key:
AG
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:
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:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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