NSN 5305-00-487-5271

Close Tolerance Screw

FSC: 5305     NIIN: 004875271
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Product Characteristics

NSN:
5305004875271
Demilitarization:
NO
INC:
29294
Shelf Life:
N/A
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
Between 0.352 inches and 0.402 inches
Fastener Length:
Between 0.862 inches and 0.892 inches
Head Style:
Flat countersunk
Head Diameter:
Between 0.412 inches and 0.439 inches
Grip Diameter:
Between 0.2485 inches and 0.2495 inches
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
Between 0.490 inches and 0.510 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
220000 pounds per square inch
Countersink Angle:
Between 59.75 degrees and 60.25 degrees
Surface Finish:
32.0 microinches threads
Special Features:
Bearing surface of head grooved to 0.323 in. Min, 0.325 in. Max dia, 0.050 in. Min, 0.055 in. Max from top of head
Material:
Steel comp h11
Material Specification:
Ams6485 assn standard single material response
Surface Treatment:
Nickel and cadmium
Surface Treatment Specification:
Ams 2416 assn standard all treatment responses
Thread Series Designator:
Unf

Part Numbers

  • 64040H4-8
    SPS TECHNOLOGIES, LLC
  • AIC1023H4-8
    SPS TECHNOLOGIES, LLC
  • C387H4-8
    LOCKHEED MARTIN CORPORATION
  • CS318642H4-8
    TEXTRON FASTENING SYSTEMS
  • HR101H4-8
    HI-SHEAR CORPORATION
  • VT1039H4-8
    ARCONIC GLOBAL FASTENERS & RINGS,

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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NSN: 5305-00-487-5271 screw,close tolerance
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Cage Codes
SPS TECHNOLOGIES, LLC - 80539
SPS TECHNOLOGIES, LLC - 06725
LOCKHEED MARTIN CORPORATION - 81755
TEXTRON FASTENING SYSTEMS - 93907
HI-SHEAR CORPORATION - 73197
ARCONIC GLOBAL FASTENERS & RINGS, - 92215