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2-2580-1 — PACKING ASSEMBLY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2-2580-1: PACKING ASSEMBLY.

The PACKING ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: WATERTIGHT, head_height: 0.125 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.438 INCHES NOMINAL IN, thread_length: 0.187 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-997-3277, 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
2-2580-1
NSN: 5305-00-997-3277
NIINs: 009973277, 010262878
FSC: 5305 — Screws
CAGE: 74025 — MARATHONNORCO AEROSPACE, INC. DBA MARATHON POWER TECHNOLOGIES COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleWATERTIGHT
head_height0.125 INCHES NOMINAL IN
thread_class3A A
head_diameter0.438 INCHES NOMINAL IN
thread_length0.187 INCHES MINIMUM IN
fastener_length0.547 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
first_diameter_from_head0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
NSN5305-00-997-3277
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2-2580-1 · 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
•
HEAD HEIGHT: 0.125 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.547 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.187 INCHES MINIMUM IN
•
FIRST DIAMETER FROM HEAD: 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: WATERTIGHT
•
THREAD DIRECTION: RIGHT-HAND
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.125 INCHES NOMINAL IN
FASTENER LENGTH0.547 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
THREAD LENGTH0.187 INCHES MINIMUM IN
FIRST DIAMETER FROM HEAD0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEWATERTIGHT
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
SURFACE TREATMENTPASSIVATE OVERALL
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 2-2580-1?
2-2580-1 is a PACKING ASSEMBLY.
What is the NSN for 2-2580-1?
2-2580-1 is cataloged in the U.S. Government catalog under NSN 5305-00-997-3277. This indicates validated use in U.S. government and defense supply chains.
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