ST1178-10

Extended Washer Self-locking Nut

NSN 5310-00-199-3746

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
5 EA
NIIN:
001993746

Product Technical Spec.

Thread Class:
3b
Thread Direction:
Right-hand
Locking Feature:
Prevailing torque all metal design
Washer Outside Diameter:
Between 0.428 inches and 0.438 inches
Overall Height:
Between 0.225 inches and 0.235 inches
Nut Style:
Double hexagon
Washer Thickness:
Between 0.020 inches and 0.030 inches
Width Across Flats:
Between 0.305 inches and 0.313 inches
Thread Series:
Unjf
Thready Qty Per Inch (tpi):
28
Thread Size:
0.250 inches
Countersink Angle:
85.0 degrees nut and 95.0 degrees nut
Material:
Steel comp 1035
Material Specification:
Ams 5080 assn standard single material response
Surface Treatment:
Cadmium
Surface Treatment Specification:
Ams 2400 assn standard single treatment response
NSN:
5310-00-199-3746
Item Name:
Nut,extended Washer,double Hexagon
Cage Code:
77445

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
H29605-4
Cage Code:
15653
RNCC:
3
RNVC:
2
RNAAC:
TU
Status:
A
MSDS:
SADC:
Part Number:
B00106-4
Cage Code:
27238
RNCC:
5
RNVC:
2
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
649734
Cage Code:
77445
RNCC:
5
RNVC:
2
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
H29605-4
Cage Code:
75237
RNCC:
5
RNVC:
9
RNAAC:
TU
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29729
FIIG:
A021A0
Concept No.:
1
App. Key:
BS
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): "Double Hexagon Extended Washer Nut"

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE ARMY Dept. of the Army
DSOR:
User:
DEPARTMENT OF THE AIR FORCE Dept. of the Air Force
DSOR:
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
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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