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9937A76 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9937A76: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.440 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.625 INCHES NOMINAL IN, thread_length: 0.625 INCHES MAXIMUM IN, screw_material: STEEL COMP 4140. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-083-3972, 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
9937A76
NSN: 5305-00-083-3972
FSC: 5305 — Screws
CAGE: 6K4C8 — GOODRICH CORPORATION (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.440 INCHES NOMINAL IN
thread_class3A A
head_diameter0.625 INCHES NOMINAL IN
thread_length0.625 INCHES MAXIMUM IN
screw_materialSTEEL COMP 4140
fastener_length9.000 INCHES NOMINAL IN
internal_drive_styleSLOT
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
screw_material_document_and_classificationMIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5305-00-083-3972
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9937A76 · 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
•
HEAD HEIGHT: 0.440 INCHES NOMINAL IN
•
FASTENER LENGTH: 9.000 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.625 INCHES MAXIMUM IN
•
HEAD STYLE: FLAT CHAMFER
•
SCREW MATERIAL: STEEL COMP 4140
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.440 INCHES NOMINAL IN
FASTENER LENGTH9.000 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH0.625 INCHES MAXIMUM IN
HEAD STYLEFLAT CHAMFER
SCREW MATERIALSTEEL COMP 4140
INTERNAL DRIVE STYLESLOT
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD CLASS3A A
HEAD DIAMETER0.625 INCHES NOMINAL IN
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9937A76?
9937A76 is a SCREW,MACHINE.
What is the NSN for 9937A76?
9937A76 is cataloged in the U.S. Government catalog under NSN 5305-00-083-3972. 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.