Model: 2503-78 ITEM 99

Round Self-locking Nut

Properties:

Thread Pitch Diameters
+0.6437/+0.6467 inches
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Drive Point Depth
Between 0.102 inches and 0.109 inches
Nut Style
Round
Nut Diameter
Between 1.110 inches and 1.125 inches
Nut Thickness
Between 0.334 inches and 0.354 inches
Drive Point Width
Between 0.105 inches and 0.135 inches
Drive Point Quantity
4
Thread Series
Uns
Thready Qty Per Inch (tpi)
32
Thread Size
0.664 inches
Material
Plastic polyamide locking insert
Material
Steel comp 1015 except insert or steel comp 1018 except insert or steel comp 1020 except insert or steel comp 1118 except insert or steel comp 1213 except insert or steel comp 1215 except insert
Material Specification
Aisi assn standard 2nd material response except insert
NSN
5310-01-022-9004
Part Number
2503-78 ITEM 99
Description
Nut,self-locking,round
CAGE
43689

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protusions, slots or splines in or on the periphery or in the face opposite the bearing surface. An integral feature is incorporated for locking on the threads of a mating member. Do not use if a more specific item name applies. Excludes collar, pin-rivet, threaded; insert, screw thread; nut (1), sleeve; nut(1), plain, cap; and turnbuckle body.

Part 2503-78 ITEM 99 NSN 5310-01-022-9004

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15895
FIIG:
A021A0
Concept No.:
1
App. Key:
CA
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:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
000000
UFC:
00000
LTL:
NO RATING
LCL:
--
WCC:
772
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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