PartsTable
Technical Data Sheet
Download PDF

609518-5 — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

609518-5: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: KNURLED NO. 2, head_height: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN, point_style: FLAT, thread_class: 2A A, head_diameter: 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-013-8976, 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
609518-5
NSN: 5305-00-013-8976
FSC: 5305 — Screws
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleKNURLED NO. 2
head_height0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
point_styleFLAT
thread_class2A A
head_diameter0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
thread_length0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
fastener_length0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch32
NSN5305-00-013-8976
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 609518-5 · 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: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 990104 FSCM 06481 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: KNURLED NO. 2
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
FASTENER LENGTH0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION990104 FSCM 06481 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEKNURLED NO. 2
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
SURFACE TREATMENTPASSIVATE OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
Ready to buy 609518-5?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 609518-5?
609518-5 is a THUMBSCREW.
What is the NSN for 609518-5?
609518-5 is cataloged in the U.S. Government catalog under NSN 5305-00-013-8976. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 609518-5

✓ 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.