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12901098 — BOLT,EYE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12901098: BOLT,EYE.

The BOLT,EYE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 47.4 MILLIMETERS MINIMUM AND 48.0 MILLIMETERS MAXIMUM MM, thread_length: 41.0 MILLIMETERS MINIMUM AND 43.0 MILLIMETERS MAXIMUM MM, overall_length: 73.2 MILLIMETERS MINIMUM AND 74.0 MILLIMETERS MAXIMUM MM, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL, style_designator: ROUND, CLOSED. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-386-3949, 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
12901098
NSN: 5306-01-386-3949
FSC: 5306 — Bolts
CAGE: 19206 — ARMY, UNITED STATES DEPARTMENT OF THE DBA WATERVLIET ARSENAL DIV BUSINESS DEVELOPMENT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length47.4 MILLIMETERS MINIMUM AND 48.0 MILLIMETERS MAXIMUM MM
thread_length41.0 MILLIMETERS MINIMUM AND 43.0 MILLIMETERS MAXIMUM MM
overall_length73.2 MILLIMETERS MINIMUM AND 74.0 MILLIMETERS MAXIMUM MM
hardness_rating30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
style_designatorROUND, CLOSED
thread_directionRIGHT-HAND
eye_outside_width23.6 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM MM
surface_treatmentPHOSPHATE MANGANESE OVERALL
eye_inside_diameter8.6 MILLIMETERS MINIMUM AND 8.7 MILLIMETERS MAXIMUM MM
eye_stock_thickness11.8 MILLIMETERS MINIMUM AND 11.9 MILLIMETERS MAXIMUM MM
nominal_thread_diameter12.0 MILLIMETERS MM
NSN5306-01-386-3949
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12901098 · 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
•
EXTERNAL THREAD TOLERANCE CLASS: 6G G
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-STD-171,5.3.1.2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD PITCH IN MILLIMETERS: 1.75
•
THREAD LENGTH: 41.0 MILLIMETERS MINIMUM AND 43.0 MILLIMETERS MAXIMUM MM
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK LENGTH: 47.4 MILLIMETERS MINIMUM AND 48.0 MILLIMETERS MAXIMUM MM
•
STYLE DESIGNATOR: ROUND, CLOSED
TECHNICAL CHARACTERISTICS
EXTERNAL THREAD TOLERANCE CLASS6G G
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171,5.3.1.2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD PITCH IN MILLIMETERS1.75
THREAD LENGTH41.0 MILLIMETERS MINIMUM AND 43.0 MILLIMETERS MAXIMUM MM
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
SHANK LENGTH47.4 MILLIMETERS MINIMUM AND 48.0 MILLIMETERS MAXIMUM MM
STYLE DESIGNATORROUND, CLOSED
OVERALL LENGTH73.2 MILLIMETERS MINIMUM AND 74.0 MILLIMETERS MAXIMUM MM
NOMINAL THREAD DIAMETER12.0 MILLIMETERS MM
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 12901098?
12901098 is a BOLT,EYE.
What is the NSN for 12901098?
12901098 is cataloged in the U.S. Government catalog under NSN 5306-01-386-3949. 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.