ST3M521A3-2

Plate Self-locking Nut

NSN 5310-00-316-6546

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
100 EA
NIIN:
003166546

Product Features

Base curved 2.400 in. Min 2.600 in. Max radius

Product Technical Spec.

Thread Class:
3b
Thread Direction:
Right-hand
Locking Feature:
Prevailing torque all metal design
Counterbore Diameter:
0.194 inches nut
Lubrication:
Dry film lubricant
Mounting Hole Diameter:
Between 0.098 inches and 0.103 inches
Nut Style:
Plate
Nut Length:
0.948 inches
Nut Height:
0.312 inches
Plate Thickness:
0.020 inches
Plate Width:
0.416 inches
Nut Counterbore Depth:
0.125 inches nut
Nut Mounting Provision:
Straight holes
Mounting Hole Arrangement Style:
2 holes
Distance From Aperture Center To Mounting Hole Center:
Between 0.339 inches and 0.349 inches
Center To Center Distance Between Mounting Holes Along Length:
Between 0.686 inches and 0.690 inches
Tempurature Rating:
450.0 degrees fahrenheit
Thread Series:
Unjf
Features Provided:
Floating nut
Thready Qty Per Inch (tpi):
32
Thread Size:
0.190 inches
Material:
Steel
Surface Treatment:
Cadmium
Surface Treatment Specification:
Qq-p-416, type 2, cl 3 federal specification single treatment response
Specification Data:
76301-st3-521 manufacturers standard
NSN:
5310-00-316-6546
Item Name:
Nut,self-locking,extended
Cage Code:
76301

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
ST3M521A3-2
Cage Code:
15653
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M521A3-2
Cage Code:
56878
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
F10429-2-3
Cage Code:
019L2
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
9F
Part Number:
F39782-3-2
Cage Code:
15653
RNCC:
5
RNVC:
2
RNAAC:
SB
Status:
A
MSDS:
SADC:
Part Number:
F10429-2-3
Cage Code:
72962
RNCC:
5
RNVC:
9
RNAAC:
SB
Status:
A
MSDS:
SADC:
Part Number:
ST3M521A3-2
Cage Code:
80539
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05280
FIIG:
A021A0
Concept No.:
1
App. Key:
BZ
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
SX
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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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Extended Self-locking Nut"

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE AIR FORCE Dept. of the Air Force
DSOR:
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
User:
POLAND Poland
DSOR:
User:
SPAIN Spain
DSOR:
User:
REPUBLIC OF KOREA Republic of Korea
DSOR:
User:
ITALY Italy
DSOR:
Import / Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Classification: Nuts of iron or steel


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