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A0L4164-168 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A0L4164-168: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: BEVEL-CONICAL, head_height: 0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, thread_length: 0.907 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-033-8599, 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
A0L4164-168
NSN: 5306-01-033-8599
FSC: 5306 — Bolts
CAGE: 57472 — ALL MANUFACTURERS, INC. DBA ALLIED HARBOR AEROSPACE FASTENERS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleBEVEL-CONICAL
head_height0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_length0.907 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
fastener_length2.907 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.164 INCHES IN
NSN5306-01-033-8599
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A0L4164-168 · 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
•
WIDTH ACROSS FLATS: 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.907 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 965398,FSCM 82577 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.907 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 965398,FSCM 82577 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: BEVEL-CONICAL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
HEAD HEIGHT0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
FASTENER LENGTH2.907 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION965398,FSCM 82577 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.907 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION965398,FSCM 82577 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEBEVEL-CONICAL
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTPASSIVATE OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
965398-168Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A0L4164-168?
A0L4164-168 is a BOLT,INTERNAL WRENCHING.
What parts can replace A0L4164-168?
There is 1 known substitute for A0L4164-168: 965398-168. Substitute compatibility should be verified for your specific system.
What is the NSN for A0L4164-168?
A0L4164-168 is cataloged in the U.S. Government catalog under NSN 5306-01-033-8599. 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.