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5816543 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5816543: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075, ring_style: SPECIAL, outside_diameter: 8.930 INCHES NOMINAL IN, casehardening_indicator: CASEHARDENED, material_document_and_classification: QQ-A-250/12, ALLOY 7075, T651 FED SPEC SINGLE MATERIAL RESPONSE, part_name_assigned_by_controlling_agency: RING JOINT, STATIONARY-HULL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-325-9683, 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
5816543
NSN: 5325-01-325-9683
FSC: 5325 — Fastening Devices
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
ring_styleSPECIAL
outside_diameter8.930 INCHES NOMINAL IN
casehardening_indicatorCASEHARDENED
material_document_and_classificationQQ-A-250/12, ALLOY 7075, T651 FED SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyRING JOINT, STATIONARY-HULL
NSN5325-01-325-9683
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5816543 · 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 DOCUMENT AND CLASSIFICATION: QQ-A-250/12, ALLOY 7075, T651 FED SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 8.930 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: CASEHARDENED
•
RING STYLE: SPECIAL
•
MATERIAL: ALUMINUM ALLOY 7075
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/12, ALLOY 7075, T651 FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER8.930 INCHES NOMINAL IN
CASEHARDENING INDICATORCASEHARDENED
RING STYLESPECIAL
PART NAME ASSIGNED BY CONTROLLING AGENCYRING JOINT, STATIONARY-HULL
MATERIALALUMINUM ALLOY 7075
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5816543?
5816543 is a RING,RETAINING.
What is the NSN for 5816543?
5816543 is cataloged in the U.S. Government catalog under NSN 5325-01-325-9683. 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.