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Technical Data Sheet
PartsTable / COMPONENT / M2742610168D
M2742610168D ✓ 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: STEEL COMP 302, ring_style: SPIRAL, usage_design: EXTERNAL, inside_diameter: 2.847 INCHES MINIMUM AND 2.877 INCHES MAXIMUM IN, major_thickness: 0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN, outside_diameter: 3.171 INCHES MINIMUM AND 3.221 INCHES MAXIMUM 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 5325-00-857-5033, 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
M2742610168D
NSN: 5325-00-857-5033
FSC: 5325
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 302
ring_styleSPIRAL
usage_designEXTERNAL
inside_diameter2.847 INCHES MINIMUM AND 2.877 INCHES MAXIMUM IN
major_thickness0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
outside_diameter3.171 INCHES MINIMUM AND 3.221 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationMIL-S-5059, TYPE 302 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-857-5033
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: M2742610168D · 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 DOCUMENT AND CLASSIFICATION: MIL-S-5059, TYPE 302 MIL SPEC SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL COMP 302
•
MATERIAL HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
INSIDE DIAMETER: 2.847 INCHES MINIMUM AND 2.877 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
OUTSIDE DIAMETER: 3.171 INCHES MINIMUM AND 3.221 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059, TYPE 302 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL COMP 302
MATERIAL HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
INSIDE DIAMETER2.847 INCHES MINIMUM AND 2.877 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
OUTSIDE DIAMETER3.171 INCHES MINIMUM AND 3.221 INCHES MAXIMUM IN
MAJOR THICKNESS0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
RING STYLESPIRAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
RS300Interchangeable
interchangeable cross-reference
interchangeable
CVC STOPWATCHInterchangeable
interchangeable cross-reference
interchangeable
99002B8017-5Interchangeable
interchangeable cross-reference
interchangeable
99002B8017Interchangeable
interchangeable cross-reference
interchangeable
RS-300-SInterchangeable
Same NIIN cross-reference
interchangeable
MIL-DTL-27426Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M2742610168D?
M2742610168D is a RING,RETAINING.
What parts can replace M2742610168D?
There are 8 known substitutes for M2742610168D: RS300, CVC STOPWATCH, 99002B8017-5 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M2742610168D?
M2742610168D is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-857-5033. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026