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PartsTable / COMPONENT / 1A5803
1A5803 ✓ 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, ring_style: OFFSET, usage_design: EXTERNAL, inside_diameter: 2.094 INCHES NOMINAL IN, strength_rating: ERR-060, outside_diameter: 2.3347 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 5325-00-205-5137, 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
1A5803
NSN: 5325-00-205-5137
FSC: 5325
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL
ring_styleOFFSET
usage_designEXTERNAL
inside_diameter2.094 INCHES NOMINAL IN
strength_ratingERR-060
outside_diameter2.3347 INCHES NOMINAL IN
material_diameter0.1205 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating42.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleROUND
material_document_and_classificationJAN,S1160,NO. 2 OR 3 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-205-5137
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1A5803 · 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: STEEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: JAN,S1160,NO. 2 OR 3 MIL SPEC SINGLE MATERIAL RESPONSE
•
RING STYLE: OFFSET
•
OUTSIDE DIAMETER: 2.3347 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
STRENGTH RATING: ERR-060
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
INSIDE DIAMETER: 2.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONJAN,S1160,NO. 2 OR 3 MIL SPEC SINGLE MATERIAL RESPONSE
RING STYLEOFFSET
OUTSIDE DIAMETER2.3347 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
STRENGTH RATINGERR-060
CASEHARDENING INDICATORNOT CASEHARDENED
INSIDE DIAMETER2.094 INCHES NOMINAL IN
USAGE DESIGNEXTERNAL
MATERIAL DIAMETER0.1205 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
9528AInterchangeable
interchangeable cross-reference
interchangeable
9528Interchangeable
interchangeable cross-reference
interchangeable
FRS J9528Interchangeable
interchangeable cross-reference
interchangeable
B107.46Interchangeable
interchangeable cross-reference
interchangeable
909528Interchangeable
interchangeable cross-reference
interchangeable
4930PL1290506Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1A5803?
1A5803 is a RING,RETAINING.
What parts can replace 1A5803?
There are 7 known substitutes for 1A5803: 9528A, 9528, FRS J9528 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A5803?
1A5803 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-205-5137. 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