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Technical Data Sheet
PartsTable / COMPONENT / 170-1A
170-1A ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: USED TO DETECT FLAWS AROUND BOLT HOLES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-038-2024, 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
170-1A
NSN: 5306-00-038-2024
FSC: 5306
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
general_characteristics_item_descriptionUSED TO DETECT FLAWS AROUND BOLT HOLES
NSN5306-00-038-2024
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 170-1A · 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: 0.750 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.375 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NONSTANDARD THREAD PITCH DIAMETER: +0.4460 TO 0.5500 INCHES IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL IN
HEAD HEIGHT0.375 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND
NONSTANDARD THREAD PITCH DIAMETER+0.4460 TO 0.5500 INCHES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER0.500 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
MINIMUM TENSILE STRENGTH85000 POUNDS PER SQUARE INCH LBS
FASTENER LENGTH2.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
170-1AInterchangeable
interchangeable cross-reference
interchangeable
C218266-5Interchangeable
interchangeable cross-reference
interchangeable
0C218266-4Interchangeable
interchangeable cross-reference
interchangeable
1102590PC1Interchangeable
interchangeable cross-reference
interchangeable
1-70-100Interchangeable
interchangeable cross-reference
interchangeable
6635-7590-3000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 170-1A?
170-1A is a BOLT,MACHINE.
What parts can replace 170-1A?
There are 10 known substitutes for 170-1A: 170-1A, C218266-5, 0C218266-4 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 170-1A?
170-1A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-038-2024. 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