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Technical Data Sheet
PartsTable / COMPONENT / 181-610
181-610 ✓ Verified by PartsTable
Hama · 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

- Splendid appearance: stylish and trendy metallic look<br>- Transparent and flexible holder for greater convenience when attaching the smartphone<br>- Stand function for viewing videos<br>- Booklet case with a hidden magnetic fastener<br>- Slip-in compartment for cards or the like<br>- Soft inside lining that protects the sensitive display This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-018-1610, 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
181-610
NSN: 5306-00-018-1610
FSC: 5306
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length0.375 INCHES NOMINAL IN
head_height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
thread_class2A A
thread_length0.875 INCHES MINIMUM IN
fastener_length1.250 INCHES NOMINAL IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
features_providedFINISHED HEAD
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
width_between_flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
end_item_identificationBURRELL CORP,PETROLEUM SAMPLING KIT
NSN5306-00-018-1610
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 181-610 · Hama ⚠ 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 LENGTH: 1.062 INCHES MINIMUM IN
•
HEAD STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
•
FEATURES PROVIDED: FINISHED HEAD
•
THREAD SERIES DESIGNATOR: UNF
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH1.062 INCHES MINIMUM IN
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
FEATURES PROVIDEDFINISHED HEAD
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.312 INCHES IN
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
THREAD CLASS2A A
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
181610Upgraded Successor
successor cross-reference
successor
MS35298-36Upgraded Successor
successor cross-reference
successor
215411Upgraded Successor
successor cross-reference
successor
G19000Interchangeable
interchangeable cross-reference
interchangeable
54840-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 181-610?
181-610 is a BOLT,MACHINE manufactured by Hama.
What parts can replace 181-610?
There are 5 known substitutes for 181-610: 181610, MS35298-36, 215411 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 181-610?
181-610 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-018-1610. 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