Model: B-129141-1

Internal Wrenching Plain Nut

Special Features:

Item must comply with requirements of defense supply center philadelphia production standard no. Po0166nrp

Properties:

Thread Class
2a
Thread Direction
Right-hand
Width Between Flats
0.310 inches
Internal Drive Style
Double hexagon
Nut Style
Internal wrenching
Nut Diameter
Between 0.521 inches and 0.526 inches
Nut Height
Between 0.512 inches and 0.522 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
24
Thread Size
0.312 inches
Countersink Angle
90.0 degrees nut
Criticality Code Justification
Zzzy
Material
Steel comp 303
Special Test Features
Special quality control testing
Test Data Document
81349-mil-p-23199 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Reference Number Differentiating Characteristics
Reference number differentiating material will be in accordance with naval inventory control point activity hx quality control. Manufacturing and testing specifications available at the dla icp
NSN
5310-01-274-3251
Part Number
B-129141-1
Description
Nut,plain,internal Wrenching
CAGE
94271

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 B-129141-1 NSN 5310-01-274-3251

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:
A
ESD:
ESD:
MMAC:
CRITL:
S

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
51
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: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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