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Technical Data Sheet
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1302057G1 — BOLT,EYE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1302057G1: BOLT,EYE.

The BOLT,EYE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 0.500 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.389 INCHES MINIMUM IN, overall_length: 1.660 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN, style_designator: ROUND, CLOSED W/SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-059-5907, 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
1302057G1
NSN: 5306-01-059-5907
FSC: 5306 — Bolts
CAGE: 28528 — ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length0.500 INCHES NOMINAL IN
thread_class2A A
thread_length0.389 INCHES MINIMUM IN
overall_length1.660 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
style_designatorROUND, CLOSED W/SHOULDER
thread_directionRIGHT-HAND
eye_outside_width1.190 INCHES NOMINAL IN
shoulder_diameter0.560 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
eye_stock_diameter0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
shoulder_thickness0.120 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
NSN5306-01-059-5907
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1302057G1 · 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 STOCK DIAMETER: 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.389 INCHES MINIMUM IN
•
SHANK LENGTH: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND, CLOSED W/SHOULDER
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
EYE STOCK DIAMETER0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.389 INCHES MINIMUM IN
SHANK LENGTH0.500 INCHES NOMINAL IN
STYLE DESIGNATORROUND, CLOSED W/SHOULDER
OVERALL LENGTH1.660 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY SHANK LENGTH,THREAD LENGTH AND SURFACE TREATMENT
DISTANCE FROM CENTER OF EYE TO SHANK END0.785 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
MS51937-1Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1302057G1?
1302057G1 is a BOLT,EYE.
What parts can replace 1302057G1?
There is 1 known substitute for 1302057G1: MS51937-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 1302057G1?
1302057G1 is cataloged in the U.S. Government catalog under NSN 5306-01-059-5907. This indicates validated use in U.S. government and defense supply chains.
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