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AOL4168-170 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AOL4168-170: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.191 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN, thread_length: 1.096 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN, screw_material: IRON ALLOY 660, fastener_length: 1.313 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-020-9533, 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
AOL4168-170
NSN: 5305-01-020-9533
FSC: 5305 — Screws
CAGE: 57472 — ALL MANUFACTURERS, INC. DBA ALLIED HARBOR AEROSPACE FASTENERS (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.191 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
thread_length1.096 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN
screw_materialIRON ALLOY 660
fastener_length1.313 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentPASSIVATE
minimum_tensile_strength160000 POUNDS PER SQUARE INCH LBS
NSN5305-01-020-9533
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AOL4168-170 · 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
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 1.313 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 1.096 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: IRON ALLOY 660
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH1.313 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5737 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH1.096 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALIRON ALLOY 660
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 8
E125-170Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AIC813-04R21Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
106751-04-170CReference document
Same NSN cross-reference
Reference document — Secondary reference
965813-170CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3V2114-170CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BCP50003-170CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AOL4168-170?
AOL4168-170 is a SCREW,MACHINE.
What parts can replace AOL4168-170?
There are 8 known substitutes for AOL4168-170: E125-170, AIC813-04R21, 106751-04-170C and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AOL4168-170?
AOL4168-170 is cataloged in the U.S. Government catalog under NSN 5305-01-020-9533. 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.