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S52615-037 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

S52615-037: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include end_item_identification: EXTAL, part_name_assigned_by_controlling_agency: RETAINING RING. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-090-5104, 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
S52615-037
NSN: 5325-01-090-5104
NIINs: 010905104, 014798692
FSC: 5325 — Fastening Devices
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
end_item_identificationEXTAL
part_name_assigned_by_controlling_agencyRETAINING RING
NSN5325-01-090-5104
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S52615-037 · 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: 63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
END PLAY TAKEUP: 0.138 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.020 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.281 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGNEXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
END PLAY TAKEUP0.138 INCHES NOMINAL IN
MAJOR THICKNESS0.020 INCHES NOMINAL IN
INSIDE DIAMETER0.281 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEE BOWED
MATERIALSTEEL COMP 632
SUBSTITUTES & CROSS-REFERENCES 2
5139-37HReference document
Same NSN cross-reference
Reference document — Secondary reference
MS3216-4037Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 S52615-037?
S52615-037 is a RING,RETAINING.
What parts can replace S52615-037?
There are 2 known substitutes for S52615-037: 5139-37H, MS3216-4037. Substitute compatibility should be verified for your specific system.
What is the NSN for S52615-037?
S52615-037 is cataloged in the U.S. Government catalog under NSN 5325-01-090-5104. 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.