PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 59554-0
59554-0 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.609 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.812 INCHES MINIMUM IN, fastener_length: 2.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-297-0724, 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
59554-0
NSN: 5305-00-297-0724
FSC: 5305
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.609 INCHES NOMINAL IN
thread_class2A A
thread_length1.812 INCHES MINIMUM IN
fastener_length2.000 INCHES NOMINAL IN
hardness_rating19.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND ZINC OVERALL
width_between_flats1.500 INCHES NOMINAL IN
nominal_thread_diameter1.000 INCHES IN
minimum_tensile_strength110000 POUNDS PER SQUARE INCH LBS
NSN5305-00-297-0724
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 59554-0 · 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
•
SURFACE TREATMENT: CADMIUM AND ZINC OVERALL
•
HARDNESS RATING: 19.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNS
•
THREAD QUANTITY PER INCH: 14
•
MINIMUM TENSILE STRENGTH: 110000 POUNDS PER SQUARE INCH LBS
•
WIDTH BETWEEN FLATS: 1.500 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM AND ZINC OVERALL
HARDNESS RATING19.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNS
THREAD QUANTITY PER INCH14
MINIMUM TENSILE STRENGTH110000 POUNDS PER SQUARE INCH LBS
WIDTH BETWEEN FLATS1.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER1.000 INCHES IN
THREAD LENGTH1.812 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
FFS85TYPE2STYLE10PGRADE5Interchangeable
interchangeable cross-reference
interchangeable
S1815Interchangeable
interchangeable cross-reference
interchangeable
S4076Interchangeable
interchangeable cross-reference
interchangeable
179897Interchangeable
interchangeable cross-reference
interchangeable
FFS85TYPE2STYLE10PGRADE7Interchangeable
interchangeable cross-reference
interchangeable
MS51096-421Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 59554-0?
59554-0 is a O-RING.
What parts can replace 59554-0?
There are 13 known substitutes for 59554-0: FFS85TYPE2STYLE10PGRADE5, S1815, S4076 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 59554-0?
59554-0 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-297-0724. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026