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Technical Data Sheet
PartsTable / MRO / S1610
S1610 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 FUSE,PLUG is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: S-BASE, head_style: HEXAGON, head_height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.000 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-018-1370, 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
MRO→ MRO_GENERAL→ S1610
NSN: 5305-00-018-1370
FSC: 5305
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleS-BASE
head_styleHEXAGON
head_height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
thread_class2A A
thread_length1.000 INCHES MINIMUM IN
overall_length1.250 INCHES NOMINAL IN
fastener_length1.250 INCHES NOMINAL IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
overall_diameter1.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
NSN5305-00-018-1370
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S1610 · 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
•
FASTENER LENGTH: 1.250 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
•
HEAD STYLE: HEXAGON
•
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL: STEEL OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 10P STYLE AND 5 GRADE
•
THREAD SERIES DESIGNATOR: UNF
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH1.250 INCHES NOMINAL IN
THREAD CLASS2A A
HEAD STYLEHEXAGON
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE AND 5 GRADE
THREAD SERIES DESIGNATORUNF
THREAD LENGTH1.000 INCHES MINIMUM IN
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH24
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
S1-6Interchangeable
interchangeable cross-reference
interchangeable
S1-6-10Interchangeable
interchangeable cross-reference
interchangeable
907821Interchangeable
interchangeable cross-reference
interchangeable
S000069Interchangeable
interchangeable cross-reference
interchangeable
91248A626Interchangeable
interchangeable cross-reference
interchangeable
18-1370Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S1610?
S1610 is a FUSE,PLUG. It is classified as a MRO (MRO_GENERAL).
What parts can replace S1610?
There are 13 known substitutes for S1610: S1-6, S1-6-10, 907821 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S1610?
S1610 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-018-1370. 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