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M2742640154C — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

M2742640154C: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: SPECIAL FLAT, usage_design: INTERNAL, inside_diameter: 3.009 INCHES MINIMUM AND 3.044 INCHES MAXIMUM IN, major_thickness: 0.108 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN, outside_diameter: 3.571 INCHES MINIMUM AND 3.606 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-667-4845, 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
M2742640154C
NSN: 5325-01-667-4845
FSC: 5325 — Fastening Devices
CAGE: 51814 — SMALLEY STEEL RING CO. (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPECIAL FLAT
usage_designINTERNAL
inside_diameter3.009 INCHES MINIMUM AND 3.044 INCHES MAXIMUM IN
major_thickness0.108 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
outside_diameter3.571 INCHES MINIMUM AND 3.606 INCHES MAXIMUM IN
surface_treatmentPHOSPHATE
cross-sectional_shape_styleDOUBLE OVAL
NSN5325-01-667-4845
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: M2742640154C · 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: INTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 3.571 INCHES MINIMUM AND 3.606 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.108 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 3.009 INCHES MINIMUM AND 3.044 INCHES MAXIMUM IN
•
RING STYLE: SPECIAL FLAT
•
SURFACE TREATMENT: PHOSPHATE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER3.571 INCHES MINIMUM AND 3.606 INCHES MAXIMUM IN
MAJOR THICKNESS0.108 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
INSIDE DIAMETER3.009 INCHES MINIMUM AND 3.044 INCHES MAXIMUM IN
RING STYLESPECIAL FLAT
SURFACE TREATMENTPHOSPHATE
MATERIALSTEEL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M2742640154C?
M2742640154C is a RING,RETAINING.
What is the NSN for M2742640154C?
M2742640154C is cataloged in the U.S. Government catalog under NSN 5325-01-667-4845. 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.