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PartsTable / COMPONENT / HZA004-001
HZA004-001 ✓ 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 LOCK SPRING,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, eye_diameter: 0.125 INCHES NOMINAL IN, stock_diameter: 0.080 INCHES NOMINAL IN, lockspring_style: LOCKSPRING, surface_treatment: CADMIUM OVERALL, lockspring_overall_height: 0.219 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 5325-00-449-3006, 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
HZA004-001
NSN: 5325-00-449-3006
FSC: 5325
CAGE: 0ZW31 — MEASUREMENT SPECIALTIES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
eye_diameter0.125 INCHES NOMINAL IN
stock_diameter0.080 INCHES NOMINAL IN
lockspring_styleLOCKSPRING
surface_treatmentCADMIUM OVERALL
lockspring_overall_height0.219 INCHES NOMINAL IN
center_to_center_distance_between_eyes1.000 INCHES NOMINAL IN
NSN5325-00-449-3006
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HZA004-001 · 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
•
MATERIAL: STEEL OVERALL
•
LOCKSPRING STYLE: LOCKSPRING
•
SURFACE TREATMENT: CADMIUM OVERALL
•
LOCKSPRING OVERALL HEIGHT: 0.219 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN EYES: 1.000 INCHES NOMINAL IN
•
STOCK DIAMETER: 0.080 INCHES NOMINAL IN
•
EYE DIAMETER: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
LOCKSPRING STYLELOCKSPRING
SURFACE TREATMENTCADMIUM OVERALL
LOCKSPRING OVERALL HEIGHT0.219 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN EYES1.000 INCHES NOMINAL IN
STOCK DIAMETER0.080 INCHES NOMINAL IN
EYE DIAMETER0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
B-52Interchangeable
interchangeable cross-reference
interchangeable
GC12A-52Interchangeable
interchangeable cross-reference
interchangeable
SB-52Interchangeable
interchangeable cross-reference
interchangeable
SD52BSInterchangeable
interchangeable cross-reference
interchangeable
12420301-049Interchangeable
interchangeable cross-reference
interchangeable
M24243/1-D502Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HZA004-001?
HZA004-001 is a LOCK SPRING,TURNLOCK FASTENER.
What parts can replace HZA004-001?
There are 9 known substitutes for HZA004-001: B-52, GC12A-52, SB-52 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HZA004-001?
HZA004-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-449-3006. 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