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2680889-2 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2680889-2: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.359 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN, thread_length: 0.296 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN, fastener_length: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-366-6463, 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
2680889-2
NSN: 5305-00-366-6463
FSC: 5305 — Screws
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.359 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN
thread_length0.296 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
fastener_length0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
hardness_rating80.0 ROCKWELL B NOMINAL OVERALL
locking_featurePELLET THREADS
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
surface_treatmentPASSIVATE OVERALL
width_across_flats0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
NSN5305-00-366-6463
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2680889-2 · 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
•
WIDTH ACROSS FLATS: 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.296 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 ROCKWELL B NOMINAL OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
FASTENER LENGTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.296 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
HARDNESS RATING80.0 ROCKWELL B NOMINAL OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREPELLET THREADS
SURFACE TREATMENTPASSIVATE OVERALL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2680889-2?
2680889-2 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 2680889-2?
2680889-2 is cataloged in the U.S. Government catalog under NSN 5305-00-366-6463. This indicates validated use in U.S. government and defense supply chains.
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