Model: 6251D-SS-0632

Knurled Plain Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Counterbore Diameter
0.149 inches except threads and 0.152 inches except threads
Nut Diameter
Between 0.247 inches and 0.253 inches
Nut Thickness
Between 0.302 inches and 0.322 inches
Nut Counterbore Depth
0.167 inches except threads and 0.177 inches except threads
Thread Series
Unc
Thready Qty Per Inch (tpi)
32
Thread Size
0.138 inches
Material
Steel comp 302 or steel comp 303
Material Specification
Qq-s-763, class 7, type a federal specification all material responses
Surface Treatment
Passivate
Surface Treatment Specification
Mil-f-14072, sig c e300 military specification single treatment response
NSN
5310-01-105-8090
Part Number
6251D-SS-0632
Description
Nut,plain,knurled
CAGE

A nut, round in shape, having all or part of its outer surface knurled. It may have provisions for external wrenching. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, round. (when height or thickness, and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).

Part 6251D-SS-0632 NSN 5310-01-105-8090

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15886
FIIG:
A021A0
Concept No.:
1
App. Key:
AU
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

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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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