NSN 5305-00-004-3171

Close Tolerance Screw

FSC: 5305     NIIN: 000043171
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NSN 5305-00-004-3171 Description

3a thread class, right-hand , 0.428 inches thread length, 4.438 inches fastener length, flat countersunk head style, 0.832 inches head diameter.

Product Characteristics

NSN:
5305000043171
Demilitarization:
NO
INC:
29294
Shelf Life:
N/A
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
Between 0.428 inches and 0.478 inches
Fastener Length:
Between 4.438 inches and 4.468 inches
Head Style:
Flat countersunk
Head Diameter:
Between 0.832 inches and 0.890 inches
Grip Diameter:
Between 0.4360 inches and 0.4370 inches
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.437 inches
Grip Length:
Between 0.552 inches and 0.572 inches
Thready Qty Per Inch (tpi):
20
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c and 40.0 rockwell c
Countersink Angle:
Between 99.0 degrees and 101.0 degrees
Surface Finish:
32.0 microinches threads
Material:
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
Material Specification:
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response
Surface Treatment:
Cadmium and chromate
Surface Treatment Specification:
Qq-p-416, type 2, cl 3 federal specification single treatment response
Thread Series Designator:
Unjf
Specification Data:
80205-nas1157 professional/industrial association standard

Part Numbers

  • NAS1157-64
    NATIONAL AEROSPACE STANDARDS

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

7318152000 - Bolts and bolts and their nuts or washers exported in the same shipment.

Professional Distribution

  •   ITAR Registered
  •   DDTC Registered
  •   HAZMAT Certified
  •   AS9120 Quality Standards
  •   100% Quality Inspections
ITAR registered supplier

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Cage Codes
NATIONAL AEROSPACE STANDARDS - 80205