Model: 2121381

Helical Compression Spring Seat

Special Features:

Threaded 0.4375-14 unc 3b by 1.250 in. Deep, and 0.250-20 unc 3b through to cbore

Properties:

Overall Height
2.2500 inches
Second Step Diameter
Between 0.8670 inches and 0.8700 inches
Material Hardness Rating
Between 36.0 rockwell c and 42.0 rockwell c
Design Type
Solid
End Diameter
0.6090 inches
Material
Steel, aisi 630 17-4ph, uns s17400
Material
Steel, aisi 630 17-4ph, uns s17400
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type 2 federal specification single treatment response
Surface Treatment
Passivated, qq-p-35, type 2
NSN
5340-01-319-4911
Part Number
2121381
Description
Seat,helical Compression Spring
CAGE
10001

Part 2121381 NSN 5340-01-319-4911

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
24328
FIIG:
T319-E
Concept No.:
App. Key:
EA
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:
P
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:
--
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:
095190
UFC:
49790
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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