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DIN 472-145X4.0 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

DIN 472-145X4.0: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: INTERNAL, usage_design: EXTERNAL, major_thickness: 4.0 MILLIMETERS NOMINAL MM, outside_diameter: 145.0 MILLIMETERS NOMINAL MM, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-440-1449, 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
DIN 472-145X4.0
NSN: 5325-01-440-1449
FSC: 5325 — Fastening Devices
CAGE: D8286 — DIN DEUTSCHES INSTITUT FUR NORMUNG EV (DEU)
SPECIFICATIONS
materialSTEEL
ring_styleINTERNAL
usage_designEXTERNAL
major_thickness4.0 MILLIMETERS NOMINAL MM
outside_diameter145.0 MILLIMETERS NOMINAL MM
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyCIRCLIP
NSN5325-01-440-1449
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: DIN 472-145X4.0 · 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: EXTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 145.0 MILLIMETERS NOMINAL MM
•
MAJOR THICKNESS: 4.0 MILLIMETERS NOMINAL MM
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: INTERNAL
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER145.0 MILLIMETERS NOMINAL MM
MAJOR THICKNESS4.0 MILLIMETERS NOMINAL MM
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEINTERNAL
PART NAME ASSIGNED BY CONTROLLING AGENCYCIRCLIP
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
106135Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 DIN 472-145X4.0?
DIN 472-145X4.0 is a RING,RETAINING.
What parts can replace DIN 472-145X4.0?
There is 1 known substitute for DIN 472-145X4.0: 106135. Substitute compatibility should be verified for your specific system.
What is the NSN for DIN 472-145X4.0?
DIN 472-145X4.0 is cataloged in the U.S. Government catalog under NSN 5325-01-440-1449. 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.