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Technical Data Sheet
PartsTable / COMPONENT / 26-617
26-617 ✓ 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 GEAR CLUSTER,WORM-HELICAL is a Legrand industrial component. Key specifications include style_designator: FRUSTUM, filtering_media_design: MESH, end_item_identification: 3930-01-305-2111. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-207-1406, 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
26-617
NSN: 5305-00-207-1406
FSC: 5305
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
style_designatorFRUSTUM
filtering_media_designMESH
end_item_identification3930-01-305-2111
NSN5305-00-207-1406
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 26-617 · 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
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
MATERIAL: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
•
FASTENER LENGTH: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 2 STYLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
THREAD QUANTITY PER INCH: 20
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.250 INCHES IN
MATERIALNICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
FASTENER LENGTH0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
HEAD STYLEHEADLESS (SETSCREW)
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 2 STYLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
THREAD QUANTITY PER INCH20
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLESLOT
THREAD LENGTH0.375 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
26-617Interchangeable
interchangeable cross-reference
interchangeable
810447Interchangeable
interchangeable cross-reference
interchangeable
103748Interchangeable
interchangeable cross-reference
interchangeable
R153Interchangeable
interchangeable cross-reference
interchangeable
72120-0004Interchangeable
interchangeable cross-reference
interchangeable
C8408-02Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26-617?
26-617 is a GEAR CLUSTER,WORM-HELICAL manufactured by Legrand.
What parts can replace 26-617?
There are 17 known substitutes for 26-617: 26-617, 810447, 103748 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26-617?
26-617 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-207-1406. 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