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377X-1018638 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

377X-1018638: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include thread_class: 3A A, head_diameter: 0.467 INCHES NOMINAL IN, thread_length: 0.875 INCHES NOMINAL IN, screw_material: STEEL, spline_major_diameter: 0.2455 INCHES NOMINAL IN, end_item_identification: C130J. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-672-3102, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
377X-1018638
NSN: 5305-01-672-3102
FSC: 5305 — Screws
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
thread_class3A A
head_diameter0.467 INCHES NOMINAL IN
thread_length0.875 INCHES NOMINAL IN
screw_materialSTEEL
spline_major_diameter0.2455 INCHES NOMINAL IN
end_item_identificationC130J
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
head_hole_configuration_styleROUND INTERNAL HEXAGON
part_name_assigned_by_controlling_agencySCREW,MACINE-FLAT
screw_material_document_and_classificationAMS5853 ASSN STD SINGLE MATERIAL RESPONSE
NSN5305-01-672-3102
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 377X-1018638 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS5853 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.875 INCHES NOMINAL IN
•
SPLINE MAJOR DIAMETER: 0.2455 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
SCREW MATERIAL: STEEL
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS5853 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.875 INCHES NOMINAL IN
SPLINE MAJOR DIAMETER0.2455 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
SCREW MATERIALSTEEL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,MACINE-FLAT
THREAD CLASS3A A
END ITEM IDENTIFICATIONC130J
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 377X-1018638?
377X-1018638 is a SCREW,MACHINE.
What is the NSN for 377X-1018638?
377X-1018638 is cataloged in the U.S. Government catalog under NSN 5305-01-672-3102. This indicates validated use in U.S. government and defense supply chains.
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