Model: MS25381-2BLACK

Knurled Plain Nut

Properties:

Thread Class
2b
Thread Direction
Left-hand
Small End Diameter
Between 0.305 inches and 0.308 inches
Nut Style
Knurled
Nut Diameter
Between 0.309 inches and 0.312 inches
Nut Thickness
Between 0.146 inches and 0.166 inches
Knurl Width
0.078 inches
Small End Length
Between 0.068 inches and 0.088 inches
Thread Series
Unef
Thready Qty Per Inch (tpi)
32
Thread Size
0.250 inches
Material
Aluminum alloy 2011
Material Specification
Qq-a-365/3, t3 federal specification single material response or qq-a-225/3, t3 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
171, finish 7.2.2 black military standard single treatment response
Specification Data
18876-9175339 manufacturers source control
NSN
5310-00-836-1807
Part Number
MS25381-2BLACK
Description
Nut,plain,knurled
CAGE
96906

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 MS25381-2BLACK NSN 5310-00-836-1807

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
013540
UFC:
05680
LTL:
70.0
LCL:
70.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7616995095
  • SITC: 69979
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Articles of aluminum nesoi

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