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99-526-9969 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

99-526-9969: 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: 2.780 INCHES NOMINAL IN, major_thickness: 0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-340-4900, 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
99-526-9969
NSN: 5325-01-340-4900
FSC: 5325 — Fastening Devices
CAGE: 99995 — NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
SPECIFICATIONS
materialSTEEL
end_styleVERTEX BELOW CENTER
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter2.780 INCHES NOMINAL IN
major_thickness0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
outside_diameter3.040 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleCHAMFERED OUTSIDE CORNERS
NSN5325-01-340-4900
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 99-526-9969 · 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
•
USAGE DESIGN: EXTERNAL
•
END STYLE: VERTEX BELOW CENTER
•
CROSS-SECTIONAL SHAPE STYLE: CHAMFERED OUTSIDE CORNERS
•
OUTSIDE DIAMETER: 3.040 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 2.780 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: STRAIGHT GAP
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
END STYLEVERTEX BELOW CENTER
CROSS-SECTIONAL SHAPE STYLECHAMFERED OUTSIDE CORNERS
OUTSIDE DIAMETER3.040 INCHES NOMINAL IN
MAJOR THICKNESS0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
INSIDE DIAMETER2.780 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
MATERIALSTEEL
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 1
AS4570-64Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 99-526-9969?
99-526-9969 is a RING,RETAINING.
What parts can replace 99-526-9969?
There is 1 known substitute for 99-526-9969: AS4570-64. Substitute compatibility should be verified for your specific system.
What is the NSN for 99-526-9969?
99-526-9969 is cataloged in the U.S. Government catalog under NSN 5325-01-340-4900. 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.