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SP6497 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SP6497: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: OVAL COUNTERSUNK, thread_class: 2A A, head_diameter: 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN, thread_length: 0.250 INCHES MINIMUM IN, screw_material: COPPER ALLOY 482, fastener_length: 0.416 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-276-2178, 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
SP6497
NSN: 5305-00-276-2178
FSC: 5305 — Screws
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
head_styleOVAL COUNTERSUNK
thread_class2A A
head_diameter0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
thread_length0.250 INCHES MINIMUM IN
screw_materialCOPPER ALLOY 482
fastener_length0.416 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle71.0 DEGREES MINIMUM AND 73.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNF
NSN5305-00-276-2178
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SP6497 · 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: 0.416 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-637,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-639,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.250 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: OVAL COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: COPPER ALLOY 482
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.416 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-639,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH0.250 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEOVAL COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALCOPPER ALLOY 482
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
COUNTERSINK ANGLE71.0 DEGREES MINIMUM AND 73.0 DEGREES MAXIMUM
THREAD CLASS2A A
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SP6497?
SP6497 is a SCREW,MACHINE.
What is the NSN for SP6497?
SP6497 is cataloged in the U.S. Government catalog under NSN 5305-00-276-2178. This indicates validated use in U.S. government and defense supply chains.
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