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Technical Data Sheet
PartsTable / COMPONENT / 55-1064-1
55-1064-1 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The LOCK SPRING,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL BARREL, eye_diameter: 0.125 INCHES NOMINAL IN, stock_diameter: 0.080 INCHES NOMINAL IN, lockspring_style: LOCKSPRING, surface_treatment: CADMIUM LOCKSPRING, eye_center_to_spring_end_distance: 0.700 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-130-2570, 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
55-1064-1
NSN: 5325-01-130-2570
FSC: 5325
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)
SPECIFICATIONS
materialSTEEL BARREL
eye_diameter0.125 INCHES NOMINAL IN
stock_diameter0.080 INCHES NOMINAL IN
lockspring_styleLOCKSPRING
surface_treatmentCADMIUM LOCKSPRING
eye_center_to_spring_end_distance0.700 INCHES NOMINAL IN
material_document_and_classificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE BARREL
surface_treatment_document_and_classificationQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BARREL
NSN5325-01-130-2570
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 55-1064-1 · 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
•
EYE DIAMETER: 0.125 INCHES NOMINAL IN
•
EYE CENTER TO SPRING END DISTANCE: 0.700 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BARREL
•
SURFACE TREATMENT: CADMIUM LOCKSPRING
•
MATERIAL: STEEL BARREL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE BARREL
•
STOCK DIAMETER: 0.080 INCHES NOMINAL IN
•
LOCKSPRING STYLE: LOCKSPRING
TECHNICAL CHARACTERISTICS (FLIS)
EYE DIAMETER0.125 INCHES NOMINAL IN
EYE CENTER TO SPRING END DISTANCE0.700 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BARREL
SURFACE TREATMENTCADMIUM LOCKSPRING
MATERIALSTEEL BARREL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE BARREL
STOCK DIAMETER0.080 INCHES NOMINAL IN
LOCKSPRING STYLELOCKSPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
SC52Interchangeable
interchangeable cross-reference
interchangeable
ZLA1104Interchangeable
interchangeable cross-reference
interchangeable
7973953Interchangeable
interchangeable cross-reference
interchangeable
17144-4Interchangeable
interchangeable cross-reference
interchangeable
A902Interchangeable
interchangeable cross-reference
interchangeable
10119236Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55-1064-1?
55-1064-1 is a LOCK SPRING,TURNLOCK FASTENER.
What parts can replace 55-1064-1?
There are 6 known substitutes for 55-1064-1: SC52, ZLA1104, 7973953 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55-1064-1?
55-1064-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-130-2570. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026