Model: HFHS-0420-28

Self-locking Stud

Special Features:

Tensile strength 75000 psi

Properties:

Thread Class
2a nut thread
Thread Direction
Right-hand nut thread
Thread Length
1.620 inches nut thread and 1.750 inches nut thread
Head Diameter
Between 0.360 inches and 0.380 inches
Head Length
0.035 inches
Locking Feature
Self-clinching head
Overall Length
Between 1.735 inches and 1.765 inches
Thready Qty Per Inch (tpi)
20 nut thread
Thread Size
0.250 inches nut thread
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Self-locking
Thread Series Designator
Unc nut thread
NSN
5307-01-245-0783
Part Number
HFHS-0420-28
Description
Stud,self-locking
CAGE
46384

Part HFHS-0420-28 NSN 5307-01-245-0783

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
27783
FIIG:
A051A0
Concept No.:
App. Key:
D
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:
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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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