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0315-050 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

0315-050: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: INTERNAL, usage_design: INTERNAL, major_thickness: 0.035 INCHES NOMINAL IN, outside_diameter: 0.533 INCHES NOMINAL IN, surface_treatment: ZINC AND CHROMATE. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-685-6765, 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
0315-050
NSN: 5325-00-685-6765
FSC: 5325 — Fastening Devices
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL
ring_styleINTERNAL
usage_designINTERNAL
major_thickness0.035 INCHES NOMINAL IN
outside_diameter0.533 INCHES NOMINAL IN
surface_treatmentZINC AND CHROMATE
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating47.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE 1065 T0 1090 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-685-6765
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0315-050 · 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: 47.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: INTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1065 T0 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.533 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.035 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: INTERNAL
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING47.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
USAGE DESIGNINTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1065 T0 1090 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.533 INCHES NOMINAL IN
MAJOR THICKNESS0.035 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEINTERNAL
SURFACE TREATMENTZINC AND CHROMATE
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
3000-50Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 0315-050?
0315-050 is a RING,RETAINING.
What parts can replace 0315-050?
There is 1 known substitute for 0315-050: 3000-50. Substitute compatibility should be verified for your specific system.
What is the NSN for 0315-050?
0315-050 is cataloged in the U.S. Government catalog under NSN 5325-00-685-6765. 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.