Model: 621-2528

Thumbnut Assembly

Properties:

End Application
Mounting base, el mt-4681a/a
General Description
Al, 2024 tem t351, 0.750 porm 0.002 in. Dia, per qq-a-225/6; compression spring, p/n 757-3937-001 and ball, p/n 309-0019-000 placed in thumbnut, p/n 621-2528-002 four places and secured by retainer insert, p/n 757-3933-001; four 0.128 in. Min, 0.131 in. Max diameter holes on 0.528 in. Min, 0.534 in. Max diameter bolt circle concentric within 0.003 in. Diameter to center hole with 0.328 in. Min, 0.329 in. Max dia, countersunk 88.0 degrees min, 92.0 degrees max to 0.365 in. Min, 0.385 in. Max dia; thumbnut flatted to 0.500 in.; o/a thk 0.437 in.; thumbnut finish anodic coating type i or ii per mil-a-8625
NSN
5826-01-111-9699
Part Number
621-2528
Description
Thumbnut Assembly
CAGE
13499

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:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
Z
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8529904740
  • SITC: 76493
  • End Use: Telecommunications equipment
  • NAICS: 334511
  • USDA: 1

Freight Class: Radio navigational aid apparatus parts (except radar)

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