Model: 1660-26A

Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Nut Style
Hexagon
Nut Height
0.095 inches
End Application
Aircraft, (ac-130h, mc-130h, ec-130e, hc-130); tactical air opns module (an/tyq (23); missile, all-weather anti-ship, harpoon (agm-84); radar set, an/pps-5b; missile, air-to-air, sparrow (aim-7); test consoles, mini-sace; support equipment, b-52 aircraft; aircraft, c-2a (reprocured); airborne mobile dir air spt ctl (2id), (02m jul83)(an/uyq-3a)
Width Across Flats
Between 0.155 inches and 0.158 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unc
Thready Qty Per Inch (tpi)
56
Thread Size
0.086 inches
Bearing Surface Type
Washer faced
Material
Aluminum alloy 2011 nut
Material
Plastic polyamide locking insert
Material Specification
Qq-a-365 federal specification single material response nut
Surface Treatment
Anodize nut
Surface Treatment Specification
Mil-c-5541 military specification single treatment response nut
NSN
5310-00-622-1724
Part Number
1660-26A
Description
Nut,self-locking,hexagon
CAGE
72962

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part 1660-26A NSN 5310-00-622-1724

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05277
FIIG:
A021A0
Concept No.:
1
App. Key:
BK
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:
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:
013540
UFC:
05680
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7616995095
  • SITC: 69979
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Articles of aluminum nesoi

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