Model: 1965948

Internal Wrenching Bolt

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.500 inches
Fastener Length
Between 1.985 inches and 2.030 inches
Head Diameter
Between 0.450 inches and 0.460 inches
Head Height
Between 0.306 inches and 0.312 inches
First Diameter From Head
Between 0.210 inches and 0.220 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 1.485 inches and 1.530 inches
Internal Drive Style
Hexagon
Thread Diameter
0.312 inches
Width Across Flats
Between 0.219 inches and 0.221 inches
Thready Qty Per Inch (tpi)
18
Hardness Rating
32.0 rockwell c and 38.0 rockwell c
Hardness Rating
32.0 rockwell c and 38.0 rockwell c
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel
Material Specification
Gm-300-m fscm 24617 mfr ref single material response
Surface Treatment
Cadmium and dichromate
Surface Treatment
Cadmium and dichromate
Surface Treatment Specification
P-45-m fscm 24617 mfr ref 1st treatment response and p-10-e fscm 24617 mfr ref 2nd treatment response
Surface Treatment Specification
P-45-m fscm 24617 mfr ref 1st treatment response and p-10-e fscm 24617 mfr ref 2nd treatment response
Thread Series Designator
Unc
NSN
5306-00-225-2904
Part Number
1965948
Description
Bolt,internal Wrenching
CAGE
1LW55

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Part 1965948 NSN 5306-00-225-2904

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06666
FIIG:
A003B0
Concept No.:
App. Key:
BM
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:
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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