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2635137 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2635137: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302, ring_style: SPECIAL, usage_design: INTERNAL, inside_diameter: 3.759 INCHES MINIMUM AND 3.789 INCHES MAXIMUM IN, major_thickness: 0.037 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN, outside_diameter: 4.135 INCHES MINIMUM AND 4.165 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-042-8529, 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
2635137
NSN: 5325-00-042-8529
FSC: 5325 — Fastening Devices
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 302
ring_styleSPECIAL
usage_designINTERNAL
inside_diameter3.759 INCHES MINIMUM AND 3.789 INCHES MAXIMUM IN
major_thickness0.037 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
outside_diameter4.135 INCHES MINIMUM AND 4.165 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-763, CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-042-8529
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2635137 · 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: INTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 4.135 INCHES MINIMUM AND 4.165 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.037 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 3.759 INCHES MINIMUM AND 3.789 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPECIAL
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER4.135 INCHES MINIMUM AND 4.165 INCHES MAXIMUM IN
MAJOR THICKNESS0.037 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
INSIDE DIAMETER3.759 INCHES MINIMUM AND 3.789 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPECIAL
MATERIALSTEEL COMP 302
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 2
UR400SSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
803-6915566-13Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2635137?
2635137 is a RING,RETAINING.
What parts can replace 2635137?
There are 2 known substitutes for 2635137: UR400S, 803-6915566-13. Substitute compatibility should be verified for your specific system.
What is the NSN for 2635137?
2635137 is cataloged in the U.S. Government catalog under NSN 5325-00-042-8529. 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.