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10161640 — BOLT,EYE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

10161640: BOLT,EYE.

The BOLT,EYE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 2.160 INCHES MINIMUM AND 2.220 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.200 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN, overall_length: 3.640 INCHES MINIMUM AND 3.660 INCHES MAXIMUM IN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-417-4058, 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
10161640
NSN: 5306-00-417-4058
FSC: 5306 — Bolts
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length2.160 INCHES MINIMUM AND 2.220 INCHES MAXIMUM IN
thread_class2A A
thread_length1.200 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
overall_length3.640 INCHES MINIMUM AND 3.660 INCHES MAXIMUM IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
style_designatorROUND, CLOSED
thread_directionRIGHT-HAND
eye_outside_width1.140 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
eye_inside_diameter0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
eye_stock_thickness0.900 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN
NSN5306-00-417-4058
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10161640 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 1.200 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK LENGTH: 2.160 INCHES MINIMUM AND 2.220 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND, CLOSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7393,COMP I MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH1.200 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
SHANK LENGTH2.160 INCHES MINIMUM AND 2.220 INCHES MAXIMUM IN
STYLE DESIGNATORROUND, CLOSED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7393,COMP I MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH3.640 INCHES MINIMUM AND 3.660 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.625 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM CENTER OF EYE TO SHANK END2.940 INCHES NOMINAL IN
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10161640?
10161640 is a BOLT,EYE.
What is the NSN for 10161640?
10161640 is cataloged in the U.S. Government catalog under NSN 5306-00-417-4058. 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.