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EF603H15 — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

EF603H15: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include material: STEEL OVERALL, eyelet_length: 0.322 INCHES NOMINAL IN, special_features: FOLDING BAIL HANDLE 1.05IN WIDE;1.454 IN WHEN LOCKED;BODY DIA .244MIN .250MAX DIA IN, surface_treatment: CADMIUM OVERALL, stud_assembly_style: STUD ASSEMBLY, end_item_identification: EH101 HELICOPTER. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-561-6705, 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
EF603H15
NSN: 5325-01-561-6705
FSC: 5325 — Fastening Devices
CAGE: U7941 — LEONARDO UK LIMITED (AW/EH101) (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
eyelet_length0.322 INCHES NOMINAL IN
special_featuresFOLDING BAIL HANDLE 1.05IN WIDE;1.454 IN WHEN LOCKED;BODY DIA .244MIN .250MAX DIA IN
surface_treatmentCADMIUM OVERALL
stud_assembly_styleSTUD ASSEMBLY
end_item_identificationEH101 HELICOPTER
turnlock_stud_head_styleLOOP ON BELL
NSN5325-01-561-6705
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: EF603H15 · 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
•
TURNLOCK STUD HEAD STYLE: LOOP ON BELL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
STUD ASSEMBLY STYLE: STUD ASSEMBLY
•
EYELET LENGTH: 0.322 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TURNLOCK STUD HEAD STYLELOOP ON BELL
SPECIAL FEATURESFOLDING BAIL HANDLE 1.05IN WIDE;1.454 IN WHEN LOCKED;BODY DIA .244MIN .250MAX DIA IN
SURFACE TREATMENTCADMIUM OVERALL
END ITEM IDENTIFICATIONEH101 HELICOPTER
MATERIALSTEEL OVERALL
STUD ASSEMBLY STYLESTUD ASSEMBLY
EYELET LENGTH0.322 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
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 EF603H15?
EF603H15 is a STUD ASSEMBLY,TURNLOCK FASTENER.
What is the NSN for EF603H15?
EF603H15 is cataloged in the U.S. Government catalog under NSN 5325-01-561-6705. 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.