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PartsTable / COMPONENT / 403618
403618 ✓ Verified by PartsTable
Legrand · 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 SWITCH,PUSH is a Legrand industrial component. Key specifications include material: STEEL, end_style: VERTEX CENTER OR ABOVE, body_style: HOLE MOUNT, body_width: 0.319 INCHES NOMINAL IN, head_style: KNURLED NO. 1, ring_style: STRAIGHT GAP.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-082-6749, 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
403618
NSN: 5305-00-082-6749
FSC: 5305
CAGE: 53990 — PETRODYNE FIELD ENERGY SYSTEMS CO DBA PFESCO (USA)
SPECIFICATIONS
materialSTEEL
end_styleVERTEX CENTER OR ABOVE
body_styleHOLE MOUNT
body_width0.319 INCHES NOMINAL IN
head_styleKNURLED NO. 1
ring_styleSTRAIGHT GAP
body_height0.905 INCHES NOMINAL IN
body_length1.239 INCHES NOMINAL IN
head_height0.187 INCHES NOMINAL IN
thread_class2A A
usage_designEXTERNAL
head_diameter0.562 INCHES NOMINAL IN
NSN5305-00-082-6749
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 403618 · Legrand ⚠ 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
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: UNF
•
HEAD DIAMETER: 0.562 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.187 INCHES NOMINAL IN
•
FEATURES PROVIDED: CASEHARDENED
•
HEAD STYLE: KNURLED NO. 1
•
FASTENER LENGTH: 5.000 INCHES NOMINAL IN
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
HEAD DIAMETER0.562 INCHES NOMINAL IN
HEAD HEIGHT0.187 INCHES NOMINAL IN
FEATURES PROVIDEDCASEHARDENED
HEAD STYLEKNURLED NO. 1
FASTENER LENGTH5.000 INCHES NOMINAL IN
INTERNAL DRIVE STYLESLOT
THREAD LENGTH1.500 INCHES MINIMUM IN
SCREW MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
403618Interchangeable
interchangeable cross-reference
interchangeable
3101-1241Interchangeable
interchangeable cross-reference
interchangeable
PB1Interchangeable
interchangeable cross-reference
interchangeable
31428N ITEM 12Interchangeable
interchangeable cross-reference
interchangeable
NC403618Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 403618?
403618 is a SWITCH,PUSH manufactured by Legrand.
What parts can replace 403618?
There are 5 known substitutes for 403618: 403618, 3101-1241, PB1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 403618?
403618 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-082-6749. 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