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416402-4050 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

416402-4050: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, usage_design: EXTERNAL, inside_diameter: 0.392 INCHES NOMINAL IN, major_thickness: 0.042 INCHES NOMINAL IN, surface_treatment: PASSIVATE, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-816-4238, 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
416402-4050
NSN: 5325-00-816-4238
FSC: 5325 — Fastening Devices
CAGE: 96214 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
ring_styleE
usage_designEXTERNAL
inside_diameter0.392 INCHES NOMINAL IN
major_thickness0.042 INCHES NOMINAL IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-816-4238
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 416402-4050 · 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: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MAJOR THICKNESS: 0.042 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.392 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: E
•
SURFACE TREATMENT: PASSIVATE
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.042 INCHES NOMINAL IN
INSIDE DIAMETER0.392 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEE
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 9
13047940Reference document
Same NSN cross-reference
Reference document — Secondary reference
12Z5035-152Reference document
Same NSN cross-reference
Reference document — Secondary reference
A53539Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS16633-4050Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
076-006545-014Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS16633-4050 0. 392 IDReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 416402-4050?
416402-4050 is a RING,RETAINING.
What parts can replace 416402-4050?
There are 9 known substitutes for 416402-4050: 13047940, 12Z5035-152, A53539 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 416402-4050?
416402-4050 is cataloged in the U.S. Government catalog under NSN 5325-00-816-4238. 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.