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AKS4-428-165 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AKS4-428-165: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include thread_class: 2A A, special_features: GRIP 0.165, thread_direction: RIGHT-HAND, nominal_thread_size: 0.250 INCHES IN, end_item_identification: 5895-01-592-8791, thread_quantity_per_inch: 28. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-643-7034, 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
AKS4-428-165
NSN: 5325-01-643-7034
FSC: 5325 — Fastening Devices
CAGE: 78276 — AVK INDUSTRIES PRODUCTS INC (USA)
SPECIFICATIONS
thread_class2A A
special_featuresGRIP 0.165
thread_directionRIGHT-HAND
nominal_thread_size0.250 INCHES IN
end_item_identification5895-01-592-8791
thread_quantity_per_inch28
thread_series_designatorUNF
NSN5325-01-643-7034
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AKS4-428-165 · 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 DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 28
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
SPECIAL FEATURESGRIP 0.165
THREAD CLASS2A A
END ITEM IDENTIFICATION5895-01-592-8791
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AKS4-428-165?
AKS4-428-165 is a INSERT,SCREW THREAD.
What is the NSN for AKS4-428-165?
AKS4-428-165 is cataloged in the U.S. Government catalog under NSN 5325-01-643-7034. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.