Model: 6503-86 ITEM NO 25

Hexagon Self-locking Nut

Special Features:

Nut, two inches -4-1/2 unc-2b, cres.

Properties:

Criticality Code Justification
Zzzy
Material
Stainless steel
Reference Number Differentiating Characteristics
Material controlled iaw navsea 0948-lp-045-7010 material control standard for level 1 items. Critical item for safety and sutvival of deep submergence research and rescur vehicels as differentiated by special test features.
NSN
5310-01-568-0756
Part Number
6503-86 ITEM NO 25
Description
Nut,self-locking,hexagon
CAGE
43689

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part 6503-86 ITEM NO 25 NSN 5310-01-568-0756

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05277
FIIG:
A021A0
Concept No.:
1
App. Key:
BK
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:
A
ESD:
A
MMAC:
CRITL:
S

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
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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