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Technical Data Sheet
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179838 — 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 NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include special_features: 3/8-16 X 7/8 INCH IN, end_item_identification: TORQUE CONVERTER HOUSING, part_name_assigned_by_controlling_agency: BOLT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5306-00-093-7349, 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
179838
NSN: 5306-00-093-7349
FSC: 5306
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
special_features3/8-16 X 7/8 INCH IN
end_item_identificationTORQUE CONVERTER HOUSING
part_name_assigned_by_controlling_agencyBOLT
NSN5306-00-093-7349
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 179838 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
88-22193InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10382770InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B1821BH038C088NInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 179838?
179838 is a NUT,TUBE COUPLING.
What parts can replace 179838?
There are 3 known substitutes for 179838: 88-22193, 10382770, B1821BH038C088N. Substitute compatibility should be verified for your specific system.
What is the NSN for 179838?
179838 is cataloged in the Federal Logistics Information System under NSN 5306-00-093-7349. 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