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3AX1797X — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3AX1797X: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, thread_class: 2A A, thread_length: 1.250 INCHES NOMINAL IN, fastener_length: 1.500 INCHES NOMINAL IN, locking_feature: PATCH LOCKING FEATURE, special_features: FINISH:ZINC CHROMATE. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-552-4963, 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
3AX1797X
NSN: 5306-01-552-4963
FSC: 5306 — Bolts
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
head_styleHEXAGON
thread_class2A A
thread_length1.250 INCHES NOMINAL IN
fastener_length1.500 INCHES NOMINAL IN
locking_featurePATCH LOCKING FEATURE
special_featuresFINISH:ZINC CHROMATE
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNF
part_name_assigned_by_controlling_agencySCREWS, HEX HEAD-UNF THREAD, PATCH TYPE SELF LOCKING
NSN5306-01-552-4963
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3AX1797X · 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
•
FASTENER LENGTH: 1.500 INCHES NOMINAL IN
•
THREAD LENGTH: 1.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
LOCKING FEATURE: PATCH LOCKING FEATURE
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.500 INCHES NOMINAL IN
THREAD LENGTH1.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREPATCH LOCKING FEATURE
SPECIAL FEATURESFINISH:ZINC CHROMATE
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREWS, HEX HEAD-UNF THREAD, PATCH TYPE SELF LOCKING
THREAD CLASS2A A
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3AX1797X?
3AX1797X is a BOLT,MACHINE.
What is the NSN for 3AX1797X?
3AX1797X is cataloged in the U.S. Government catalog under NSN 5306-01-552-4963. 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.