PartsTable
Technical Data Sheet
Download PDF

KNL524-9 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

KNL524-9: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.430 INCHES NOMINAL IN, insert_size: 0.438-14 UNC 2A A, thread_class: 3B, style_designator: GROOVED KEYLOCK, features_provided: INDIVIDUALLY KEYED, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-784-3227, 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
KNL524-9
NSN: 5325-00-784-3227
FSC: 5325 — Fastening Devices
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
length0.430 INCHES NOMINAL IN
insert_size0.438-14 UNC 2A A
thread_class3B
style_designatorGROOVED KEYLOCK
features_providedINDIVIDUALLY KEYED
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.312 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
full_internal_thread_length0.360 INCHES MINIMUM IN
internal_thread_relief_depth0.070 INCHES NOMINAL IN
NSN5325-00-784-3227
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: KNL524-9 · 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
•
LENGTH: 0.430 INCHES NOMINAL IN
•
INSERT SIZE: 0.438-14 UNC 2A A
•
STYLE DESIGNATOR: GROOVED KEYLOCK
•
INTERNAL THREAD RELIEF DEPTH: 0.070 INCHES NOMINAL IN
•
FEATURES PROVIDED: INDIVIDUALLY KEYED
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
FULL INTERNAL THREAD LENGTH: 0.360 INCHES MINIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.430 INCHES NOMINAL IN
INSERT SIZE0.438-14 UNC 2A A
STYLE DESIGNATORGROOVED KEYLOCK
INTERNAL THREAD RELIEF DEPTH0.070 INCHES NOMINAL IN
FEATURES PROVIDEDINDIVIDUALLY KEYED
NOMINAL THREAD SIZE0.312 INCHES IN
FULL INTERNAL THREAD LENGTH0.360 INCHES MINIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD QUANTITY PER INCH24
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy KNL524-9?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is KNL524-9?
KNL524-9 is a INSERT,SCREW THREAD.
What is the NSN for KNL524-9?
KNL524-9 is cataloged in the U.S. Government catalog under NSN 5325-00-784-3227. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — KNL524-9

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.