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7653226-18 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7653226-18: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_length: 0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, screw_material: STEEL COMP 316. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-531-9872, 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
7653226-18
NSN: 5305-01-531-9872
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
head_stylePAN
head_height0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
thread_length0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
screw_materialSTEEL COMP 316
fastener_length0.649 INCHES MINIMUM AND 0.659 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
end_item_identificationNHA 7653191 USED ON 7653200 MK16 MOD 0 UBA
nominal_thread_diameter0.138 INCHES IN
screw_surface_treatmentPASSIVATE AND OXIDE
NSN5305-01-531-9872
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7653226-18 · 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: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE AND OXIDE
•
FASTENER LENGTH: 0.649 INCHES MINIMUM AND 0.659 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP 316
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE AND OXIDE
FASTENER LENGTH0.649 INCHES MINIMUM AND 0.659 INCHES MAXIMUM IN
THREAD LENGTH0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 316
INTERNAL DRIVE STYLESLOT
THREAD CLASS2A A
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 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 7653226-18?
7653226-18 is a SCREW,MACHINE.
What is the NSN for 7653226-18?
7653226-18 is cataloged in the U.S. Government catalog under NSN 5305-01-531-9872. 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.