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91420A318 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91420A318: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, head_diameter: 9.2 MILLIMETERS NOMINAL MM, thread_length: 5.5 MILLIMETERS NOMINAL MM, screw_material: STEEL, fastener_length: 5.5 MILLIMETERS NOMINAL MM, hardness_rating: 71.0 ROCKWELL B NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-596-5687, 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
91420A318
NSN: 5305-01-596-5687
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
head_diameter9.2 MILLIMETERS NOMINAL MM
thread_length5.5 MILLIMETERS NOMINAL MM
screw_materialSTEEL
fastener_length5.5 MILLIMETERS NOMINAL MM
hardness_rating71.0 ROCKWELL B NOMINAL
special_featuresTHREAD FIT: CLASS 6H;DIN 965
thread_directionRIGHT-HAND
countersink_angle90.0 DEGREES NOMINAL
internal_drive_styleCROSS RECESS TYPE II
nominal_thread_diameter5.0 MILLIMETERS MM
screw_surface_treatmentZINC
NSN5305-01-596-5687
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91420A318 · 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 SURFACE TREATMENT: ZINC
•
FASTENER LENGTH: 5.5 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 0.8
•
THREAD LENGTH: 5.5 MILLIMETERS NOMINAL MM
•
HARDNESS RATING: 71.0 ROCKWELL B NOMINAL
•
NOMINAL THREAD DIAMETER: 5.0 MILLIMETERS MM
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTZINC
FASTENER LENGTH5.5 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS0.8
THREAD LENGTH5.5 MILLIMETERS NOMINAL MM
HARDNESS RATING71.0 ROCKWELL B NOMINAL
NOMINAL THREAD DIAMETER5.0 MILLIMETERS MM
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
SPECIAL FEATURESTHREAD FIT: CLASS 6H;DIN 965
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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 91420A318?
91420A318 is a SCREW,MACHINE.
What is the NSN for 91420A318?
91420A318 is cataloged in the U.S. Government catalog under NSN 5305-01-596-5687. This indicates validated use in U.S. government and defense supply chains.
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