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Technical Data Sheet
PartsTable / COMPONENT / 12Z46PC7
12Z46PC7 ✓ 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 SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.750 INCHES MINIMUM IN, fastener_length: 2.000 INCHES NOMINAL 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 5305-00-226-9885, 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
12Z46PC7
NSN: 5305-00-226-9885
FSC: 5305
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
thread_class2A A
thread_length0.750 INCHES MINIMUM IN
fastener_length2.000 INCHES NOMINAL IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
special_featuresGRIP LENGTH - 1.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCHROMATE ZINC OVERALL
width_between_flats0.425 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
NSN5305-00-226-9885
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12Z46PC7 · 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
•
HEAD STYLE: HEXAGON
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FASTENER LENGTH: 2.000 INCHES NOMINAL IN
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY SURFACE TREATMENT
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 5 GRADE
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429 GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: CHROMATE ZINC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
NOMINAL THREAD DIAMETER0.250 INCHES IN
FASTENER LENGTH2.000 INCHES NOMINAL IN
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY SURFACE TREATMENT
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 5 GRADE
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCHROMATE ZINC OVERALL
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
SPECIAL FEATURESGRIP LENGTH - 1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
12001-1Interchangeable
interchangeable cross-reference
interchangeable
12001Interchangeable
interchangeable cross-reference
interchangeable
4B19MS8-010Interchangeable
interchangeable cross-reference
interchangeable
052243AND44Interchangeable
interchangeable cross-reference
interchangeable
307Interchangeable
interchangeable cross-reference
interchangeable
85538BSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12Z46PC7?
12Z46PC7 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 12Z46PC7?
There are 14 known substitutes for 12Z46PC7: 12001-1, 12001, 4B19MS8-010 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12Z46PC7?
12Z46PC7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-226-9885. 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