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Technical Data Sheet
PartsTable / COMPONENT / 38-403-074
38-403-074 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660, ring_style: SPIRAL, usage_design: EXTERNAL, inside_diameter: 5.655 INCHES MINIMUM AND 5.705 INCHES MAXIMUM IN, major_thickness: 0.123 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN, outside_diameter: 6.405 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-007-1623, 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
38-403-074
NSN: 5325-00-007-1623
FSC: 5325
CAGE: 32024 — OMARK INDUSTRIES INC HYDRAULIC MATERIALS HANDLING DIV (USA)
SPECIFICATIONS
materialIRON ALLOY 660
ring_styleSPIRAL
usage_designEXTERNAL
inside_diameter5.655 INCHES MINIMUM AND 5.705 INCHES MAXIMUM IN
major_thickness0.123 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
outside_diameter6.405 INCHES NOMINAL IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating41.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-007-1623
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 38-403-074 · 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
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
USAGE DESIGN: EXTERNAL
•
OUTSIDE DIAMETER: 6.405 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 41.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: IRON ALLOY 660
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATORNOT CASEHARDENED
USAGE DESIGNEXTERNAL
OUTSIDE DIAMETER6.405 INCHES NOMINAL IN
MATERIAL HARDNESS RATING41.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE
SURFACE TREATMENTPASSIVATE
MATERIALIRON ALLOY 660
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
MAJOR THICKNESS0.123 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
INSIDE DIAMETER5.655 INCHES MINIMUM AND 5.705 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
151302Interchangeable
interchangeable cross-reference
interchangeable
1-5000-2Interchangeable
interchangeable cross-reference
interchangeable
CUTMASTER 60I / 1-5630-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 38-403-074?
38-403-074 is a RING,RETAINING.
What parts can replace 38-403-074?
There are 3 known substitutes for 38-403-074: 151302, 1-5000-2, CUTMASTER 60I / 1-5630-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 38-403-074?
38-403-074 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-007-1623. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026