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4A40146A01 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4A40146A01: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1074, ring_style: WAVE, usage_design: EXTERNAL, end_play_takeup: 0.200 INCHES NOMINAL IN, inside_diameter: 1.435 INCHES NOMINAL IN, major_thickness: 0.037 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-435-9379, 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
4A40146A01
NSN: 5325-00-435-9379
FSC: 5325 — Fastening Devices
CAGE: 31211 — MOTOROLA AUTOMOTIVE ELECTRONICS (USA)
SPECIFICATIONS
materialSTEEL COMP 1074
ring_styleWAVE
usage_designEXTERNAL
end_play_takeup0.200 INCHES NOMINAL IN
inside_diameter1.435 INCHES NOMINAL IN
major_thickness0.037 INCHES NOMINAL IN
outside_diameter1.715 INCHES NOMINAL IN
surface_treatmentCHROMATE
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 70.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE 1074 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-435-9379
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4A40146A01 · 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: 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 70.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1074 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 1.715 INCHES NOMINAL IN
•
END PLAY TAKEUP: 0.200 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.037 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.435 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 70.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGNEXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1074 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER1.715 INCHES NOMINAL IN
END PLAY TAKEUP0.200 INCHES NOMINAL IN
MAJOR THICKNESS0.037 INCHES NOMINAL IN
INSIDE DIAMETER1.435 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEWAVE
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 1
A43394Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4A40146A01?
4A40146A01 is a RING,RETAINING.
What parts can replace 4A40146A01?
There is 1 known substitute for 4A40146A01: A43394. Substitute compatibility should be verified for your specific system.
What is the NSN for 4A40146A01?
4A40146A01 is cataloged in the U.S. Government catalog under NSN 5325-00-435-9379. 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.