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Technical Data Sheet
PartsTable / COMPONENT / PZ-42
PZ-42 ✓ 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 FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, head_style: FLAT CHAMFER, head_height: 0.312 INCHES NOMINAL IN, thread_class: 2A A, body_diameter: 3.797 INCHES NOMINAL IN, head_diameter: 0.750 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 5305-01-392-1643, 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-42
NSN: 5305-01-392-1643
FSC: 5305
CAGE: 29440 — W. M. BERG, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
head_styleFLAT CHAMFER
head_height0.312 INCHES NOMINAL IN
thread_class2A A
body_diameter3.797 INCHES NOMINAL IN
head_diameter0.750 INCHES NOMINAL IN
thread_length0.625 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.125 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
NSN5305-01-392-1643
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PZ-42 · 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 HEIGHT: 0.312 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
SHOULDER LENGTH: 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM FIRST SHOULDER IN
•
INTERNAL DRIVE STYLE: HEXAGON
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.500 INCHES NOMINAL FIRST SHOULDER IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
•
THREAD QUANTITY PER INCH: 16
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.312 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
SHOULDER LENGTH0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM FIRST SHOULDER IN
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
SHOULDER DIAMETER0.500 INCHES NOMINAL FIRST SHOULDER IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
THREAD QUANTITY PER INCH16
SHOULDER SHAPEROUND FIRST SHOULDER
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
PH2Interchangeable
interchangeable cross-reference
interchangeable
PZ-42Interchangeable
interchangeable cross-reference
interchangeable
1372Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PZ-42?
PZ-42 is a FILTER ELEMENT,FLUID.
What parts can replace PZ-42?
There are 3 known substitutes for PZ-42: PH2, PZ-42, 1372. Substitute compatibility should be verified for your specific system.
What is the NSN for PZ-42?
PZ-42 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-392-1643. 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