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Technical Data Sheet
PartsTable / COMPONENT / A1C485-1
A1C485-1 ✓ 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,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: KNURLED NO. 4, head_height: 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_length: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM 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 5306-00-413-6258, 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
A1C485-1
NSN: 5306-00-413-6258
FSC: 5306
CAGE: 06725 — SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_styleKNURLED NO. 4
head_height0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
thread_length0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES OVERALL
fastener_length0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
NSN5306-00-413-6258
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A1C485-1 · 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
•
FASTENER LENGTH: 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
•
INTERNAL DRIVE STYLE: HEXAGON
•
THREAD CLASS: 3A A
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD QUANTITY PER INCH: 32
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE FINISH: 63.0 MICROINCHES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
INTERNAL DRIVE STYLEHEXAGON
THREAD CLASS3A A
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD QUANTITY PER INCH32
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE FINISH63.0 MICROINCHES OVERALL
THREAD SERIES DESIGNATORUNJC
THREAD LENGTH0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
748861-1Interchangeable
interchangeable cross-reference
interchangeable
746451-1Interchangeable
interchangeable cross-reference
interchangeable
500061Interchangeable
interchangeable cross-reference
interchangeable
9-65834-1Interchangeable
interchangeable cross-reference
interchangeable
FIT7076-1Interchangeable
Same NIIN cross-reference
interchangeable
D791184-8-14Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1C485-1?
A1C485-1 is a BOLT,INTERNAL WRENCHING.
What parts can replace A1C485-1?
There are 6 known substitutes for A1C485-1: 748861-1, 746451-1, 500061 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A1C485-1?
A1C485-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-413-6258. 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