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AKS4-420-165B — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AKS4-420-165B: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include thread_class: 2B, pilot_diameter: 0.391 INCHES NOMINAL IN, flange_diameter: 0.455 INCHES NOMINAL IN, flange_thickness: 0.22 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, nominal_thread_size: 0.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-697-2913, 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
AKS4-420-165B
NSN: 5325-01-697-2913
FSC: 5325 — Fastening Devices
CAGE: 78276 — AVK INDUSTRIES PRODUCTS INC (USA)
SPECIFICATIONS
thread_class2B
pilot_diameter0.391 INCHES NOMINAL IN
flange_diameter0.455 INCHES NOMINAL IN
flange_thickness0.22 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agencyTHREAD INSERT,SPECIAL
NSN5325-01-697-2913
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AKS4-420-165B · 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
•
FLANGE DIAMETER: 0.455 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.22 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
PILOT DIAMETER: 0.391 INCHES NOMINAL IN
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.455 INCHES NOMINAL IN
FLANGE THICKNESS0.22 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
PILOT DIAMETER0.391 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYTHREAD INSERT,SPECIAL
THREAD CLASS2B
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SUBSTITUTES & CROSS-REFERENCES 1
700-0-74-169Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 AKS4-420-165B?
AKS4-420-165B is a INSERT,SCREW THREAD.
What parts can replace AKS4-420-165B?
There is 1 known substitute for AKS4-420-165B: 700-0-74-169. Substitute compatibility should be verified for your specific system.
What is the NSN for AKS4-420-165B?
AKS4-420-165B is cataloged in the U.S. Government catalog under NSN 5325-01-697-2913. 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.