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Technical Data Sheet
PartsTable / COMPONENT / 6280B-SS-0440
6280B-SS-0440 ✓ 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 RETAINER,PANEL SCREW is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-273-4660, 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
6280B-SS-0440
NSN: 5325-01-273-4660
FSC: 5325
CAGE: 1YGB8 — CAREY MANUFACTURING CO, INC DBA AMATOM ELECTRONIC HARDWARE DIV AMATOM ELECTRONIC HARDWARE (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCRES STEEL,PASSIVATE,0.438 IN. LG,0.250 IN. OD SMALL END,0.093 IN. LG SMALL END,0.344 IN. OD LARGE END,4-40 UNC 2B INTERNAL THD 0.156 IN. LG IN
NSN5325-01-273-4660
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6280B-SS-0440 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CRES STEEL,PASSIVATE,0.438 IN. LG,0.250 IN. OD SMALL END,0.093 IN. LG SMALL END,0.344 IN. OD LARGE END,4-40 UNC 2B INTERNAL THD 0.156 IN. LG IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES STEEL,PASSIVATE,0.438 IN. LG,0.250 IN. OD SMALL END,0.093 IN. LG SMALL END,0.344 IN. OD LARGE END,4-40 UNC 2B INTERNAL THD 0.156 IN. LG IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
504P69Interchangeable
interchangeable cross-reference
interchangeable
504-69Interchangeable
interchangeable cross-reference
interchangeable
10596-LCInterchangeable
interchangeable cross-reference
interchangeable
40498Interchangeable
interchangeable cross-reference
interchangeable
WWP471Interchangeable
interchangeable cross-reference
interchangeable
50482Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6280B-SS-0440?
6280B-SS-0440 is a RETAINER,PANEL SCREW.
What parts can replace 6280B-SS-0440?
There are 13 known substitutes for 6280B-SS-0440: 504P69, 504-69, 10596-LC and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6280B-SS-0440?
6280B-SS-0440 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-273-4660. 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: July 2026