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Technical Data Sheet
PartsTable / COMPONENT / BM4299
BM4299 ✓ 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, end_style: D SHAPE ABOVE INSIDE PERIPHERY, ring_style: STRAIGHT GAP, usage_design: INTERNAL, inside_diameter: 2.313 INCHES NOMINAL IN, outside_diameter: 2.563 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 5325-00-263-5922, 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
BM4299
NSN: 5325-00-263-5922
FSC: 5325
CAGE: 54641 — LEAR SIEGLER INC SHERWOOD DIV (USA)
SPECIFICATIONS
materialSTEEL
end_styleD SHAPE ABOVE INSIDE PERIPHERY
ring_styleSTRAIGHT GAP
usage_designINTERNAL
inside_diameter2.313 INCHES NOMINAL IN
outside_diameter2.563 INCHES NOMINAL IN
material_diameter0.125 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUND
NSN5325-00-263-5922
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BM4299 · 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: 0.125 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
USAGE DESIGN: INTERNAL
•
END STYLE: D SHAPE ABOVE INSIDE PERIPHERY
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: STRAIGHT GAP
•
INSIDE DIAMETER: 2.313 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DIAMETER0.125 INCHES NOMINAL IN
MATERIALSTEEL
CROSS-SECTIONAL SHAPE STYLEROUND
USAGE DESIGNINTERNAL
END STYLED SHAPE ABOVE INSIDE PERIPHERY
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
INSIDE DIAMETER2.313 INCHES NOMINAL IN
OUTSIDE DIAMETER2.563 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
1419Interchangeable
interchangeable cross-reference
interchangeable
HB12840Interchangeable
interchangeable cross-reference
interchangeable
ES689071-2Interchangeable
interchangeable cross-reference
interchangeable
5850-093Interchangeable
interchangeable cross-reference
interchangeable
1580-094Interchangeable
interchangeable cross-reference
interchangeable
P-602-A-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BM4299?
BM4299 is a RING,RETAINING.
What parts can replace BM4299?
There are 21 known substitutes for BM4299: 1419, HB12840, ES689071-2 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BM4299?
BM4299 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-263-5922. 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