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2578598-001A — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2578598-001A: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_height: 0.050 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.240 INCHES NOMINAL IN, thread_length: 0.147 INCHES MINIMUM IN, screw_material: PLASTIC POLYHEXAMETHYLENE AMIDE, fastener_length: 0.150 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-451-6471, 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
2578598-001A
NSN: 5305-00-451-6471
FSC: 5305 — Screws
CAGE: 6K4C8 — GOODRICH CORPORATION (USA)
SPECIFICATIONS
head_height0.050 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.240 INCHES NOMINAL IN
thread_length0.147 INCHES MINIMUM IN
screw_materialPLASTIC POLYHEXAMETHYLENE AMIDE
fastener_length0.150 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.112 INCHES IN
thread_quantity_per_inch40
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
screw_material_document_and_classificationMIL-M-20693,COMP A,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5305-00-451-6471
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2578598-001A · 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: 0.050 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.150 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-M-20693,COMP A,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.147 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: PLASTIC POLYHEXAMETHYLENE AMIDE
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.050 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
FASTENER LENGTH0.150 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-20693,COMP A,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH0.147 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE
INTERNAL DRIVE STYLESLOT
THREAD CLASS2A A
THREAD QUANTITY PER INCH40
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2578598-001A?
2578598-001A is a SCREW,MACHINE.
What is the NSN for 2578598-001A?
2578598-001A is cataloged in the U.S. Government catalog under NSN 5305-00-451-6471. This indicates validated use in U.S. government and defense supply chains.
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