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S4-225 — LOCK SPRING,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

S4-225: LOCK SPRING,TURNLOCK FASTENER.

The LOCK SPRING,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, eye_diameter: 0.094 INCHES NOMINAL IN, stock_diameter: 0.062 INCHES NOMINAL IN, lockspring_style: LOCKSPRING, surface_treatment: CADMIUM OVERALL, lockspring_overall_height: 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-285-3371, 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
S4-225
NSN: 5325-00-285-3371
FSC: 5325 — Fastening Devices
CAGE: C0111 — DZUS FASTENER GMBH (DEU)
SPECIFICATIONS
materialSTEEL OVERALL
eye_diameter0.094 INCHES NOMINAL IN
stock_diameter0.062 INCHES NOMINAL IN
lockspring_styleLOCKSPRING
surface_treatmentCADMIUM OVERALL
lockspring_overall_height0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
center_to_center_distance_between_eyes0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
NSN5325-00-285-3371
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S4-225 · 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
•
CENTER TO CENTER DISTANCE BETWEEN EYES: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
•
EYE DIAMETER: 0.094 INCHES NOMINAL IN
•
LOCKSPRING OVERALL HEIGHT: 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
•
STOCK DIAMETER: 0.062 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
LOCKSPRING STYLE: LOCKSPRING
TECHNICAL CHARACTERISTICS
CENTER TO CENTER DISTANCE BETWEEN EYES0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
EYE DIAMETER0.094 INCHES NOMINAL IN
LOCKSPRING OVERALL HEIGHT0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
STOCK DIAMETER0.062 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
LOCKSPRING STYLELOCKSPRING
SUBSTITUTES & CROSS-REFERENCES 8
77-10028-4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
944.48.81.801Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
970651-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
120247-002Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A3028008-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
012-1009-000Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S4-225?
S4-225 is a LOCK SPRING,TURNLOCK FASTENER.
What parts can replace S4-225?
There are 8 known substitutes for S4-225: 77-10028-4, 944.48.81.801, 970651-1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S4-225?
S4-225 is cataloged in the U.S. Government catalog under NSN 5325-00-285-3371. This indicates validated use in U.S. government and defense supply chains.
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