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Machine Screw NSN 5305-01-284-2993

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

NSN 5305-01-284-2993 NSN: 5305-01-284-2993

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.401 inches and 0.451 inches
Fastener Length
Between 0.599 inches and 0.629 inches
Head Style
Flat countersunk
Head Diameter
Between 0.461 inches and 0.507 inches
Internal Drive Style
Torque set
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
Between 36.0 rockwell c and 40.0 rockwell c
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Screw Material
Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
Screw Surface Treatment
Cadmium and chromate
Screw Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
012842993
NSN
5305012842993

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AIC4038-4-3
Cage Code:
06725
Status:
A
MSDS:
Part Number:
LE111-0032-0403
Cage Code:
43999
Status:
A
MSDS:
Part Number:
A032-0403
Cage Code:
17446
Status:
A
MSDS:
Part Number:
SII-1087-0403
Cage Code:
57928
Status:
A
MSDS:
Part Number:
FIT111-0032-0403
Cage Code:
58998
Status:
A
MSDS:
Part Number:
SCI785T-4-3
Cage Code:
06950
Status:
A
MSDS:
Part Number:
PBF1378-0403
Cage Code:
27624
Status:
A
MSDS:
Part Number:
HR132-4T3
Cage Code:
73197
Status:
A
MSDS:
Part Number:
123181A4T3
Cage Code:
80539
Status:
A
MSDS:
Part Number:
MA2LE132
Cage Code:
58845
Status:
A
MSDS:
Part Number:
W111-0032-0403
Cage Code:
60516
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318152000
  • NAICS: 332722
  • SITC: 69421
  • Description: Bolts and bolts and their nuts or washers exported in the same shipment
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 5305-01-284-2993
What are the manufacturers of nsn 5305012842993?
Does this nsn 5305012842993 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012842993
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). no. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. see also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
Does nsn 5305012842993 contain any precious metals?
No precious metal content.
Does nsn 5305012842993 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012842993?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
App. Key:
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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