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MS16625-4031 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MS16625-4031: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 632, ring_style: INTERNAL, usage_design: INTERNAL, major_thickness: 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN, outside_diameter: 0.341 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN, surface_treatment: PASSIVATE. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-597-8487, 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
MS16625-4031
NSN: 5325-00-597-8487
NIINs: 005978487, 013311893
FSC: 5325 — Fastening Devices
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 632
ring_styleINTERNAL
usage_designINTERNAL
major_thickness0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
outside_diameter0.341 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating82.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 86.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-597-8487
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS16625-4031 · 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: 82.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 86.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
•
USAGE DESIGN: INTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.341 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: INTERNAL
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING82.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 86.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
USAGE DESIGNINTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.341 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
MAJOR THICKNESS0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEINTERNAL
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL COMP 632
SUBSTITUTES & CROSS-REFERENCES 9
277-501-1031Reference document
Same NSN cross-reference
Reference document — Secondary reference
3000-X31-SS2Reference document
Same NSN cross-reference
Reference document — Secondary reference
5000-31WReference document
Same NSN cross-reference
Reference document — Secondary reference
5325PL0162463Reference document
Same NSN cross-reference
Reference document — Informative reference only
A-FB000300-11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
480791PC477Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS16625-4031?
MS16625-4031 is a RING,RETAINING.
What parts can replace MS16625-4031?
There are 9 known substitutes for MS16625-4031: 277-501-1031, 3000-X31-SS2, 5000-31W and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS16625-4031?
MS16625-4031 is cataloged in the U.S. Government catalog under NSN 5325-00-597-8487. This indicates validated use in U.S. government and defense supply chains.
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