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Technical Data Sheet
PartsTable / COMPONENT / Z12-10
Z12-10 ✓ 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,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, body_style: ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS, head_style: FLAT CHAMFER, head_height: 0.187 INCHES NOMINAL IN, temp_rating: 160.0 FAHRENHEIT DEGF, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-928-9570, 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
Z12-10
NSN: 5305-00-928-9570
FSC: 5305
CAGE: 29440 — W. M. BERG, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
body_styleANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
head_styleFLAT CHAMFER
head_height0.187 INCHES NOMINAL IN
temp_rating160.0 FAHRENHEIT DEGF
thread_class2A A
head_diameter0.375 INCHES NOMINAL IN
thread_length0.312 INCHES MINIMUM IN
fastener_length0.905 INCHES NOMINAL IN
furnished_itemsCAP AND CHAIN
special_markingsOXYGEN
thread_directionRIGHT-HAND
NSN5305-00-928-9570
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: Z12-10 · 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: FLAT CHAMFER
•
THREAD CLASS: 2A A
•
HEAD HEIGHT: 0.187 INCHES NOMINAL IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER: 0.593 INCHES NOMINAL IN
•
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY: 1
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP 303 OVERALL
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEFLAT CHAMFER
THREAD CLASS2A A
HEAD HEIGHT0.187 INCHES NOMINAL IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.593 INCHES NOMINAL IN
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 303 OVERALL
INTERNAL DRIVE STYLESLOT
FASTENER LENGTH0.905 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
KD12051ZInterchangeable
interchangeable cross-reference
interchangeable
127631Interchangeable
interchangeable cross-reference
interchangeable
707609Interchangeable
interchangeable cross-reference
interchangeable
V910Interchangeable
interchangeable cross-reference
interchangeable
01-541-1Interchangeable
interchangeable cross-reference
interchangeable
170015Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Z12-10?
Z12-10 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace Z12-10?
There are 12 known substitutes for Z12-10: KD12051Z, 127631, 707609 and 9 more. Substitute compatibility should be verified for your specific system.
Is Z12-10 still available?
Z12-10 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026