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E-657 PIECE 11 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

E-657 PIECE 11: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5325-01-195-4891, 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
E-657 PIECE 11
NSN: 5325-01-195-4891
FSC: 5325 — Fastening Devices
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
Part NumberE-657 PIECE 11
NSN5325-01-195-4891
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: E-657 PIECE 11 · 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 2
0325Reference document
Same NSN cross-reference
Reference document — Secondary reference
E-657-11Reference 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 E-657 PIECE 11?
E-657 PIECE 11 is a RING,RETAINING.
What parts can replace E-657 PIECE 11?
There are 2 known substitutes for E-657 PIECE 11: 0325, E-657-11. Substitute compatibility should be verified for your specific system.
What is the NSN for E-657 PIECE 11?
E-657 PIECE 11 is cataloged in the U.S. Government catalog under NSN 5325-01-195-4891. This indicates validated use in U.S. government and defense supply chains.
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