Model: S-81-225

Packing Nut

Special Features:

Radius on shoulders 0.093 in. Min to 0.109 in. Max

Properties:

Thread Class
3a
Thread Pitch Diameters
+3.1912/+3.1959 inches
Thread Pitch Diameters
+3.1912 to 3.1959 inches
Thread Direction
Right-hand
Casehardening Indicator
Not casehardened
Slot Width
0.250 inches
Overall Length
1.050 inches
Hole Or Slot Quantity
1
Thread Size
3.250-12
Screw Thread Series Designator
Un
Screw Thread Location
External
Smallest Inside Diameter
Between 2.252 inches and 2.254 inches
Major Unthreaded Outside Diameter
3.130 inches
Material
Bronze, sae 660
Material
Copper alloy 932
Style Designator
Round slotted, external thread, boss
NSN
4730-00-609-9804
Part Number
S-81-225
Description
Packing Nut
CAGE
60285

Part S-81-225 NSN 4730-00-609-9804

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:
CRITL:
X

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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