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Technical Data Sheet
PartsTable / COMPONENT / KNHL624J
KNHL624J ✓ 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 INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.500 INCHES NOMINAL IN, insert_size: 0.562-12 UNC 2A A, style_designator: GROOVED KEYLOCK, features_provided: INDIVIDUALLY KEYED, surface_treatment: PASSIVATE OVERALL, nominal_thread_size: 0.375 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-957-0577, 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
KNHL624J
NSN: 5325-00-957-0577
FSC: 5325
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
length0.500 INCHES NOMINAL IN
insert_size0.562-12 UNC 2A A
style_designatorGROOVED KEYLOCK
features_providedINDIVIDUALLY KEYED
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.375 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
full_internal_thread_length0.430 INCHES MINIMUM IN
internal_thread_relief_depth0.070 INCHES NOMINAL IN
NSN5325-00-957-0577
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: KNHL624J · 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
•
THREAD SERIES DESIGNATOR: UNF
•
STYLE DESIGNATOR: GROOVED KEYLOCK
•
INSERT SIZE: 0.562-12 UNC 2A A
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
THREAD QUANTITY PER INCH: 24
•
FEATURES PROVIDED: INDIVIDUALLY KEYED
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
FULL INTERNAL THREAD LENGTH: 0.430 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF
STYLE DESIGNATORGROOVED KEYLOCK
INSERT SIZE0.562-12 UNC 2A A
NOMINAL THREAD SIZE0.375 INCHES IN
THREAD QUANTITY PER INCH24
FEATURES PROVIDEDINDIVIDUALLY KEYED
SURFACE TREATMENTPASSIVATE OVERALL
FULL INTERNAL THREAD LENGTH0.430 INCHES MINIMUM IN
LENGTH0.500 INCHES NOMINAL IN
INTERNAL THREAD RELIEF DEPTH0.070 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
KNH-624JTInterchangeable
interchangeable cross-reference
interchangeable
NAS1395CA6Interchangeable
interchangeable cross-reference
interchangeable
KH9905-6Interchangeable
interchangeable cross-reference
interchangeable
KNHL624Interchangeable
Same NIIN cross-reference
interchangeable
837492Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KNHL624J?
KNHL624J is a INSERT,SCREW THREAD.
What parts can replace KNHL624J?
There are 5 known substitutes for KNHL624J: KNH-624JT, NAS1395CA6, KH9905-6 and 2 more. Substitute compatibility should be verified for your specific system.
Is KNHL624J still available?
KNHL624J 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