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Technical Data Sheet
PartsTable / COMPONENT / PZ-43-3
PZ-43-3 ✓ 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,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FLAT CHAMFER, head_height: 0.312 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.750 INCHES NOMINAL IN, thread_length: 0.625 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 5305-01-227-3995, 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
PZ-43-3
NSN: 5305-01-227-3995
FSC: 5305
CAGE: 29440 — W. M. BERG, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFLAT CHAMFER
head_height0.312 INCHES NOMINAL IN
thread_class2A A
head_diameter0.750 INCHES NOMINAL IN
thread_length0.625 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.250 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN
shoulder_length0.625 INCHES MINIMUM AND 0.627 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
width_across_flats0.250 INCHES NOMINAL IN
NSN5305-01-227-3995
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PZ-43-3 · 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
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
FASTENER LENGTH: 1.250 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SHOULDER LENGTH: 0.625 INCHES MINIMUM AND 0.627 INCHES MAXIMUM FIRST SHOULDER IN
•
HEAD DIAMETER: 0.750 INCHES NOMINAL IN
•
HEAD STYLE: FLAT CHAMFER
•
SHOULDER DIAMETER: 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
•
MATERIAL: STEEL COMP 303 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.375 INCHES IN
FASTENER LENGTH1.250 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SHOULDER LENGTH0.625 INCHES MINIMUM AND 0.627 INCHES MAXIMUM FIRST SHOULDER IN
HEAD DIAMETER0.750 INCHES NOMINAL IN
HEAD STYLEFLAT CHAMFER
SHOULDER DIAMETER0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
MATERIALSTEEL COMP 303 OVERALL
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
HEAD HEIGHT0.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
1418Interchangeable
interchangeable cross-reference
interchangeable
HD-110Interchangeable
interchangeable cross-reference
interchangeable
ALCO-709-5Interchangeable
interchangeable cross-reference
interchangeable
4452Interchangeable
interchangeable cross-reference
interchangeable
8165Interchangeable
interchangeable cross-reference
interchangeable
94.10.01.08Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PZ-43-3?
PZ-43-3 is a SCREW,SHOULDER.
What parts can replace PZ-43-3?
There are 14 known substitutes for PZ-43-3: 1418, HD-110, ALCO-709-5 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PZ-43-3?
PZ-43-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-227-3995. 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