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9437559 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9437559: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: OVAL COUNTERSUNK, thread_class: 2A A, head_diameter: 0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_length: 0.636 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, screw_material: STEEL, fastener_length: 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-153-0221, 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
9437559
NSN: 5305-01-153-0221
FSC: 5305 — Screws
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
head_styleOVAL COUNTERSUNK
thread_class2A A
head_diameter0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_length0.636 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
screw_materialSTEEL
fastener_length0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentPHOSPHATE
thread_quantity_per_inch24
NSN5305-01-153-0221
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9437559 · 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: PHOSPHATE
•
FASTENER LENGTH: 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.636 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: OVAL COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTPHOSPHATE
FASTENER LENGTH0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
THREAD LENGTH0.636 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEOVAL COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
THREAD CLASS2A A
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 3
G9420147Reference document
Same NSN cross-reference
Reference document — Secondary reference
G9437559Reference document
Same NSN cross-reference
Reference document — Secondary reference
9420147Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9437559?
9437559 is a SCREW,MACHINE.
What parts can replace 9437559?
There are 3 known substitutes for 9437559: G9420147, G9437559, 9420147. Substitute compatibility should be verified for your specific system.
What is the NSN for 9437559?
9437559 is cataloged in the U.S. Government catalog under NSN 5305-01-153-0221. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.