PartsTable
Technical Data Sheet
Download PDF

523619 — BOLT,MACHINE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

523619: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, head_style: ROUND W/WRENCH FLATS, grip_length: 0.390 INCHES NOMINAL IN, head_height: 0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-366-2392, 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
523619
NSN: 5330-00-366-2392
NIINs: 003662392, 006162483
FSC: 5330 — Packing and Gasket Materials
CAGE: 82722 — WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP DBA WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
head_styleROUND W/WRENCH FLATS
grip_length0.390 INCHES NOMINAL IN
head_height0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.500 INCHES NOMINAL IN
thread_length0.310 INCHES MINIMUM IN
fastener_length7.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM OVERALL
width_between_flats0.340 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
NSN5330-00-366-2392
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 523619 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
SUBSTITUTES & CROSS-REFERENCES 2
0C555Reference document
Same NSN cross-reference
Reference document — Secondary reference
A523619Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 523619?
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 523619?
523619 is a BOLT,MACHINE.
What parts can replace 523619?
There are 2 known substitutes for 523619: 0C555, A523619. Substitute compatibility should be verified for your specific system.
What is the NSN for 523619?
523619 is cataloged in the U.S. Government catalog under NSN 5330-00-366-2392. 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 — 523619

✓ 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.