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Technical Data Sheet
PartsTable / COMPONENT / 71602-1 PIECE 4
71602-1 PIECE 4 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-191-3029, 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
71602-1 PIECE 4
NSN: 5325-01-191-3029
FSC: 5325
CAGE: 62982 — HAMPTON HYDRAULICS, LLC. DBA GREAT BEND INDUSTRIES DIV HAMPTON HYDRAULICS, LLC. (USA)
SPECIFICATIONS
Part Number71602-1 PIECE 4
NSN5325-01-191-3029
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 71602-1 PIECE 4 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
40559Interchangeable
interchangeable cross-reference
interchangeable
45511Interchangeable
interchangeable cross-reference
interchangeable
TABLE 15, 1008Interchangeable
interchangeable cross-reference
interchangeable
3D0100-9ACInterchangeable
interchangeable cross-reference
interchangeable
40S5-9Interchangeable
interchangeable cross-reference
interchangeable
BACS21X9RInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 71602-1 PIECE 4?
71602-1 PIECE 4 is a LOCK SPRING,TURNLOCK FASTENER.
What parts can replace 71602-1 PIECE 4?
There are 10 known substitutes for 71602-1 PIECE 4: 40559, 45511, TABLE 15, 1008 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 71602-1 PIECE 4?
71602-1 PIECE 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-191-3029. 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