Model: NAS1251-2D8

Ring Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.622 inches and 0.642 inches
Shank Length
1.132 inches
Eye Stock Diameter
0.562 inches
Shoulder Diameter
Between 0.368 inches and 0.373 inches
Shoulder Length
Between 0.490 inches and 0.510 inches
Shank Unthreaded Hole Diameter
0.076 inches first hole and 0.086 inches first hole
Ring Stock Diameter
Between 0.250 inches and 0.270 inches
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Distance From Threaded End To Shank Hole Center
0.171 inches first hole and 0.191 inches first hole
Material
Steel comp e4340 or steel comp 4140 or steel comp 8735 or steel comp 8740 or steel comp 6150
Surface Treatment
Cadmium and chromate or zinc and chromate
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification 1st treatment response or astm b633 type 2 cl 3 assn standard 2nd treatment response
Style Designator
Swivel
Thread Series Designator
Unjf
Specification Data
80205-nas1251 professional/industrial association standard
NSN
5306-01-277-4975
Part Number
NAS1251-2D8
Description
Bolt,ring
CAGE

A bolt, eye having a nonremovable ring assembled in the eye.

Part NAS1251-2D8 NSN 5306-01-277-4975

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01832
FIIG:
A003B0
Concept No.:
App. Key:
BV
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:
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: 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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