Model: A51B52591-411

Rectangular Plain Nut

Special Features:

One end chamfered 0.040 in. X 45 degrees both surfaces and one corner of opposite end chamfered 0.160 in. X 45 deg

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Plain, rectangular
Nut Length
0.540 inches
Nut Height
0.125 inches
Nut Width
0.420 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Steel comp 4130
Material Specification
Mil-s-18729 military specification single material response
NSN
5310-01-092-0996
Part Number
A51B52591-411
Description
Nut,plain,rectangular
CAGE
1BX88

A nut, flat on top and bottom, having four flat sides of which two parallel sides are shorter than the other two. For items having a thickness (or height) exceeding two times the width, use post, electrical-mechanical equipment. (when height or thickness and/or width is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part A51B52591-411 NSN 5310-01-092-0996

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15890
FIIG:
A021A0
Concept No.:
1
App. Key:
AX
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:
X

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:
00
LVL_A:
E
LVL_B:

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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