Model: 12961-899-1

Spline Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Pilot Diameter
0.270 inches
Pilot Length
0.161 inches
Lubrication
Dry film lubricant
Nut Style
Spline (floating)
Nut Length
0.572 inches
Nut Height
0.406 inches
Width Across Flats
0.390 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
32
Hardness Rating
Between 42.0 rockwell c and 47.0 rockwell c
Thread Size
0.190 inches
Material
Steel comp 1050 bracket
Material
Steel comp 1050 nut
Material
Steel comp 304 base or steel comp 305 base
Material Specification
Ams 5639 assn standard single material response base or ams 5514 assn standard single material response base
Material Specification
Ams 5085 assn standard single material response bracket
Material Specification
Ams 5085 assn standard single material response nut
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2 class 2 federal specification single treatment response
NSN
5310-01-177-9754
Part Number
12961-899-1
Description
Nut,self-locking,spline
CAGE
94756

A nut having an externally splined sleeve, which holds it in position when forced into a hole of slightly smaller diameter. An integral feature is incorporated for locking.

Part 12961-899-1 NSN 5310-01-177-9754

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15893
FIIG:
A021A0
Concept No.:
1
App. Key:
CE
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:
SX
CRITL:
F

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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