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Technical Data Sheet
PartsTable / COMPONENT / 587554
587554 ✓ 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 RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, usage_design: EXTERNAL, inside_diameter: 0.207 INCHES NOMINAL IN, major_thickness: 0.025 INCHES NOMINAL IN, strength_rating: ERR-060, surface_treatment: ZINC OR CADMIUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-286-6521, 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
587554
NSN: 5325-00-286-6521
FSC: 5325
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
ring_styleE
usage_designEXTERNAL
inside_diameter0.207 INCHES NOMINAL IN
major_thickness0.025 INCHES NOMINAL IN
strength_ratingERR-060
surface_treatmentZINC OR CADMIUM
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating47.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-633, AMEND 2, FS 1065-FS 1090 FED SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-286-6521
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 587554 · 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
•
RING STYLE: E
•
USAGE DESIGN: EXTERNAL
•
MATERIAL: STEEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633, AMEND 2, FS 1065-FS 1090 FED SPEC SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: ZINC OR CADMIUM
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MAJOR THICKNESS: 0.025 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.207 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
RING STYLEE
USAGE DESIGNEXTERNAL
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633, AMEND 2, FS 1065-FS 1090 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENTZINC OR CADMIUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.025 INCHES NOMINAL IN
INSIDE DIAMETER0.207 INCHES NOMINAL IN
STRENGTH RATINGERR-060
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
N910P25B6Interchangeable
interchangeable cross-reference
interchangeable
6180Interchangeable
interchangeable cross-reference
interchangeable
12Z5035-105Interchangeable
interchangeable cross-reference
interchangeable
SW86-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 587554?
587554 is a RING,RETAINING.
What parts can replace 587554?
There are 4 known substitutes for 587554: N910P25B6, 6180, 12Z5035-105 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 587554?
587554 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-286-6521. 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