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M2742640100B — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

M2742640100B: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5325-00-484-1630, 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
M2742640100B
NSN: 5325-00-484-1630
FSC: 5325 — Fastening Devices
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM2742640100B
NSN5325-00-484-1630
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: M2742640100B · 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
SUBSTITUTES & CROSS-REFERENCES 4
RRN-50CDReference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-DTL-27426/4Reference document
Same NSN cross-reference
Reference document — Identification reference
RR-51Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MIL-DTL-27426Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M2742640100B?
M2742640100B is a RING,RETAINING.
What parts can replace M2742640100B?
There are 4 known substitutes for M2742640100B: RRN-50CD, MIL-DTL-27426/4, RR-51 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M2742640100B?
M2742640100B is cataloged in the U.S. Government catalog under NSN 5325-00-484-1630. This indicates validated use in U.S. government and defense supply chains.
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