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EPF054 — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

EPF054: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, surface_treatment: ZINC OVERALL, internal_drive_style: TORX, end_item_identification: 3990-01-406-7472, IMPROVED PLS FLATRACK. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-422-7472, 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
EPF054
NSN: 5305-01-422-7472
FSC: 5305 — Screws
CAGE: 0PZP2 — STEELTECH MFG INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK
surface_treatmentZINC OVERALL
internal_drive_styleTORX
end_item_identification3990-01-406-7472, IMPROVED PLS FLATRACK
NSN5305-01-422-7472
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: EPF054 · 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 STYLE: FLAT COUNTERSUNK
•
SURFACE TREATMENT: ZINC OVERALL
•
INTERNAL DRIVE STYLE: TORX
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
HEAD STYLEFLAT COUNTERSUNK
SURFACE TREATMENTZINC OVERALL
INTERNAL DRIVE STYLETORX
END ITEM IDENTIFICATION3990-01-406-7472, IMPROVED PLS FLATRACK
MATERIALSTEEL OVERALL
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 1
3HD830Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is EPF054?
EPF054 is a SCREW,TAPPING.
What parts can replace EPF054?
There is 1 known substitute for EPF054: 3HD830. Substitute compatibility should be verified for your specific system.
What is the NSN for EPF054?
EPF054 is cataloged in the U.S. Government catalog under NSN 5305-01-422-7472. 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.