Model: AS21937

Packing Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Thread Length
0.250 inches
Casehardening Indicator
Not casehardened
Overall Length
0.406 inches
Thread Size
7/16in-20
Unthreaded Portion Length
0.156 inches
Largest Inside Diameter
0.562 inches
Screw Thread Series Designator
Unf
Width Across Flats
1.000 inches
Screw Thread Location
Internal
Length To Shoulder
0.344 inches
Major Unthreaded Outside Diameter
0.687 inches
Material
Aluminum alloy, qq-a-225/9, alloy 7075
Material
Aluminum alloy 7075
Style Designator
Hexagon, internal thread, shouldered
Specification Data
81343-sae as21937 manufacturers standard
NSN
4730-00-821-0189
Part Number
AS21937
Description
Packing Nut
CAGE
81343

Part AS21937 NSN 4730-00-821-0189

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18028
FIIG:
T385-E
Concept No.:
App. Key:
EA
Cond. Code:
2
Status:
A

Material Classification

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:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093470
UFC:
48940
LTL:
70.0
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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