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MS16631-225CP — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MS16631-225CP: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include departure_from_cited_document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D, criticality_code_justification: ZZZW, departure_from_cited_designator: CLEANED IN ACCORDANCE WITH MIL-I-52211, part_name_assigned_by_controlling_agency: RING,RETAINING. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-356-4747, 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
MS16631-225CP
NSN: 5325-01-356-4747
FSC: 5325 — Fastening Devices
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
departure_from_cited_designatorCLEANED IN ACCORDANCE WITH MIL-I-52211
part_name_assigned_by_controlling_agencyRING,RETAINING
NSN5325-01-356-4747
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS16631-225CP · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
DEPARTURE FROM CITED DESIGNATOR: CLEANED IN ACCORDANCE WITH MIL-I-52211
•
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZW
DEPARTURE FROM CITED DESIGNATORCLEANED IN ACCORDANCE WITH MIL-I-52211
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
PART NAME ASSIGNED BY CONTROLLING AGENCYRING,RETAINING
SUBSTITUTES & CROSS-REFERENCES 2
MS16631-225Reference document
Same NSN cross-reference
Reference document — Government specification standardization
PVPE47-28Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 MS16631-225CP?
MS16631-225CP is a RING,RETAINING.
What parts can replace MS16631-225CP?
There are 2 known substitutes for MS16631-225CP: MS16631-225, PVPE47-28. Substitute compatibility should be verified for your specific system.
What is the NSN for MS16631-225CP?
MS16631-225CP is cataloged in the U.S. Government catalog under NSN 5325-01-356-4747. 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.