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Technical Data Sheet
PartsTable / MRO / 18008-1
18008-1 ✓ 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,INDICATOR ALARM is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, body_length: 0.354 INCHES NOMINAL IN, grip_length: 0.188 INCHES NOMINAL IN, head_height: 0.203 INCHES NOMINAL IN, thread_class: 2A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-018-0081, 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→ 18008-1
NSN: 5306-00-018-0081
FSC: 5306
CAGE: Z0009 — INTERNATIONAL TRUCKS AUSTRALIA LIMITED (AUS)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
body_length0.354 INCHES NOMINAL IN
grip_length0.188 INCHES NOMINAL IN
head_height0.203 INCHES NOMINAL IN
thread_class2A A
body_diameter0.146 INCHES NOMINAL IN
terminal_typeWIRE LEAD
thread_length1.062 INCHES MINIMUM IN
inclosure_typeENCAPSULATED
fastener_length1.250 INCHES NOMINAL IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
NSN5306-00-018-0081
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 18008-1 · 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
•
WIDTH BETWEEN FLATS: 0.500 INCHES NOMINAL IN
•
HEAD STYLE: HEXAGON
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
•
MINIMUM YIELD STRENGTH: 85000 POUNDS PER SQUARE INCH LBS
•
FEATURES PROVIDED: FINISHED HEAD
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL IN
HEAD STYLEHEXAGON
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH LBS
FEATURES PROVIDEDFINISHED HEAD
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD HEIGHT0.203 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
180-081Interchangeable
interchangeable cross-reference
interchangeable
17023Interchangeable
interchangeable cross-reference
interchangeable
17023-2 ITEM 1Interchangeable
interchangeable cross-reference
interchangeable
M535291-36Interchangeable
Same NIIN cross-reference
interchangeable
1C520Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18008-1?
18008-1 is a FUSE,INDICATOR ALARM. It is classified as a MRO (MRO_GENERAL).
What parts can replace 18008-1?
There are 5 known substitutes for 18008-1: 180-081, 17023, 17023-2 ITEM 1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18008-1?
18008-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-018-0081. 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