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609518-2 — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

609518-2: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: KNURLED NO. 2, head_height: 0.375 INCHES NOMINAL IN, point_style: FLAT, thread_class: 2A A, head_diameter: 0.750 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-910-0131, 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
609518-2
NSN: 5305-00-910-0131
FSC: 5305 — Screws
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleKNURLED NO. 2
head_height0.375 INCHES NOMINAL IN
point_styleFLAT
thread_class2A A
head_diameter0.750 INCHES NOMINAL IN
thread_length0.310 INCHES MINIMUM IN
fastener_length1.625 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
nominal_thread_diameter0.190 INCHES IN
first_diameter_from_head0.090 INCHES NOMINAL IN
NSN5305-00-910-0131
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 609518-2 · 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: 0.375 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.625 INCHES NOMINAL IN
•
THREAD LENGTH: 0.310 INCHES MINIMUM IN
•
FIRST DIAMETER FROM HEAD: 0.090 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: KNURLED NO. 2
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: FLAT
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.375 INCHES NOMINAL IN
FASTENER LENGTH1.625 INCHES NOMINAL IN
THREAD LENGTH0.310 INCHES MINIMUM IN
FIRST DIAMETER FROM HEAD0.090 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEKNURLED NO. 2
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER1.313 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
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 609518-2?
609518-2 is a THUMBSCREW.
What is the NSN for 609518-2?
609518-2 is cataloged in the U.S. Government catalog under NSN 5305-00-910-0131. 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.