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6831639 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6831639: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: VERTEX BELOW CENTER, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 6.710 INCHES MINIMUM AND 6.835 INCHES MAXIMUM IN, major_thickness: 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-006-0776, 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
6831639
NSN: 5325-00-006-0776
FSC: 5325 — Fastening Devices
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialSTEEL
end_styleVERTEX BELOW CENTER
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter6.710 INCHES MINIMUM AND 6.835 INCHES MAXIMUM IN
major_thickness0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
outside_diameter7.270 INCHES MINIMUM AND 7.407 INCHES MAXIMUM IN
special_featuresSIX RADIUS PLACES EQUALLY PLACED ON RING,VARY RADIUS SO THAT THERE WILL BE SMOOTH JUNCTURES WITH ADJACENT REVERSED CURVES WITH NO FLATNESS OR SHARPNESS
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating43.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
material_document_and_classificationSAE 1060 THRU 1095 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-006-0776
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6831639 · 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 HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
END STYLE: VERTEX BELOW CENTER
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1060 THRU 1095 ASSN STD SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 7.270 INCHES MINIMUM AND 7.407 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 6.710 INCHES MINIMUM AND 6.835 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL
END STYLEVERTEX BELOW CENTER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1060 THRU 1095 ASSN STD SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER7.270 INCHES MINIMUM AND 7.407 INCHES MAXIMUM IN
MAJOR THICKNESS0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
INSIDE DIAMETER6.710 INCHES MINIMUM AND 6.835 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
SPECIAL FEATURESSIX RADIUS PLACES EQUALLY PLACED ON RING,VARY RADIUS SO THAT THERE WILL BE SMOOTH JUNCTURES WITH ADJACENT REVERSED CURVES WITH NO FLATNESS OR SHARPNESS
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6831639?
6831639 is a RING,RETAINING.
What is the NSN for 6831639?
6831639 is cataloged in the U.S. Government catalog under NSN 5325-00-006-0776. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.