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Technical Data Sheet
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QA02-G51-10A — Technical Data Sheet

✓ 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 CORROSION RESISTING, ring_style: INTERNAL, usage_design: INTERNAL, major_thickness: 0.015 INCHES NOMINAL IN, outside_diameter: 0.266 INCHES NOMINAL IN, surface_treatment: PASSIVATE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-990-1415, 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
QA02-G51-10A
NSN: 5325-00-990-1415
FSC: 5325
CAGE: 0B9T7 — LECHLER INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
ring_styleINTERNAL
usage_designINTERNAL
major_thickness0.015 INCHES NOMINAL IN
outside_diameter0.266 INCHES NOMINAL IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-990-1415
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: QA02-G51-10A · 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
•
MAJOR THICKNESS: 0.015 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
•
SURFACE TREATMENT: PASSIVATE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
RING STYLE: INTERNAL
•
USAGE DESIGN: INTERNAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
OUTSIDE DIAMETER: 0.266 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MAJOR THICKNESS0.015 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
SURFACE TREATMENTPASSIVATE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
RING STYLEINTERNAL
USAGE DESIGNINTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
OUTSIDE DIAMETER0.266 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
N400-712-056Interchangeable
interchangeable cross-reference
interchangeable
0689-5115Interchangeable
interchangeable cross-reference
interchangeable
597-00511Interchangeable
interchangeable cross-reference
interchangeable
278-1727-00Interchangeable
interchangeable cross-reference
interchangeable
A8301Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is QA02-G51-10A?
QA02-G51-10A is a RING,RETAINING.
What parts can replace QA02-G51-10A?
There are 5 known substitutes for QA02-G51-10A: N400-712-056, 0689-5115, 597-00511 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for QA02-G51-10A?
QA02-G51-10A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-990-1415. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: September 2026