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Technical Data Sheet
PartsTable / COMPONENT / 91 600 902
91 600 902 ✓ 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 COMP 1060, end_style: 90 DEGREE PARALLEL, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 1.264 INCHES NOMINAL IN, outside_diameter: 1.521 INCHES MINIMUM AND 1.580 INCHES MAXIMUM 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 5325-00-582-7588, 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
91 600 902
NSN: 5325-00-582-7588
FSC: 5325
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
materialSTEEL COMP 1060
end_style90 DEGREE PARALLEL
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter1.264 INCHES NOMINAL IN
outside_diameter1.521 INCHES MINIMUM AND 1.580 INCHES MAXIMUM IN
material_diameter0.156 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating45.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleROUND
material_document_and_classificationASTM A576, COMP 1060 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-582-7588
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91 600 902 · 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
•
MATERIAL DIAMETER: 0.156 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1060
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576, COMP 1060 ASSN STD SINGLE MATERIAL RESPONSE
•
USAGE DESIGN: EXTERNAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
END STYLE: 90 DEGREE PARALLEL
•
OUTSIDE DIAMETER: 1.521 INCHES MINIMUM AND 1.580 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DIAMETER0.156 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1060
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576, COMP 1060 ASSN STD SINGLE MATERIAL RESPONSE
USAGE DESIGNEXTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
END STYLE90 DEGREE PARALLEL
OUTSIDE DIAMETER1.521 INCHES MINIMUM AND 1.580 INCHES MAXIMUM IN
RING STYLESTRAIGHT GAP
INSIDE DIAMETER1.264 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
P-257Interchangeable
interchangeable cross-reference
interchangeable
C17Interchangeable
interchangeable cross-reference
interchangeable
P90BRInterchangeable
interchangeable cross-reference
interchangeable
C1001-501Interchangeable
interchangeable cross-reference
interchangeable
A13311Interchangeable
interchangeable cross-reference
interchangeable
7353523Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91 600 902?
91 600 902 is a RING,RETAINING.
What parts can replace 91 600 902?
There are 9 known substitutes for 91 600 902: P-257, C17, P90BR and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 91 600 902?
91 600 902 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-582-7588. 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