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497A10074-2 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

497A10074-2: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY K-500 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.910 INCHES NOMINAL IN, thread_length: 1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, fastener_length: 2.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-438-2381, 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
497A10074-2
NSN: 5306-01-438-2381
FSC: 5306 — Bolts
CAGE: 38597 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
materialNICKEL ALLOY K-500 OVERALL
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.910 INCHES NOMINAL IN
thread_length1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
fastener_length2.500 INCHES NOMINAL IN
locking_featureSTRIP THREADS
special_featuresLOCKING FEATURE HEIGHT 0.600
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch13
NSN5306-01-438-2381
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 497A10074-2 · 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: 2.500 INCHES NOMINAL IN
•
THREAD LENGTH: 1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
LOCKING FEATURE: STRIP THREADS
•
COUNTERSINK ANGLE: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
TECHNICAL CHARACTERISTICS
FASTENER LENGTH2.500 INCHES NOMINAL IN
THREAD LENGTH1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATURESTRIP THREADS
SPECIAL FEATURESLOCKING FEATURE HEIGHT 0.600
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
THREAD CLASS2A A
THREAD QUANTITY PER INCH13
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 497A10074-2?
497A10074-2 is a BOLT,MACHINE.
What is the NSN for 497A10074-2?
497A10074-2 is cataloged in the U.S. Government catalog under NSN 5306-01-438-2381. 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.