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40401-4 FIND NO 11 — Technical Data Sheet

✓ 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 part_name_assigned_by_controlling_agency: BRAZING RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5325-01-278-9545, 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
40401-4 FIND NO 11
NSN: 5325-01-278-9545
FSC: 5325
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyBRAZING RING
NSN5325-01-278-9545
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 40401-4 FIND NO 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYBRAZING RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
9140-0052InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
18-400InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
18-556InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2047423InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
BUWEPSDWG2047423InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
18400 ITEM 18InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40401-4 FIND NO 11?
40401-4 FIND NO 11 is a RING,RETAINING.
What parts can replace 40401-4 FIND NO 11?
There are 11 known substitutes for 40401-4 FIND NO 11: 9140-0052, 18-400, 18-556 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40401-4 FIND NO 11?
40401-4 FIND NO 11 is cataloged in the Federal Logistics Information System under NSN 5325-01-278-9545. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026