Model: 56512-304-1

Internal Wrenching Plain Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Width Between Flats
0.188 inches
Internal Drive Style
Socket
Nut Style
Internal wrenching
Nut Diameter
0.312 inches
Nut Height
Between 0.340 inches and 0.350 inches
Thread Series
Unc
Thready Qty Per Inch (tpi)
32
Thread Size
0.164 inches
Material
Steel comp 303
Material Specification
Qq-s-764, cond a federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
La0110-006, fscm 94756 mfr ref single treatment response
NSN
5310-00-459-7826
Part Number
56512-304-1
Description
Nut,plain,internal Wrenching
CAGE
94756

A cylindrical-shaped nut, the end opposite the bearing surface being designed with an internal socket or splines for use with an inserted wrench.

Part 56512-304-1 NSN 5310-00-459-7826

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04893
FIIG:
A021A0
Concept No.:
1
App. Key:
AT
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:
AH
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
50.0
WCC:
596
TCC:
Z
SHC:
Z
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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