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4177558 — BOLT,EYE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4177558: BOLT,EYE.

The BOLT,EYE is a the manufacturer industrial component. Key specifications include shank_length: 2.875 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 2.500 INCHES NOMINAL IN, overall_length: 4.125 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, eye_stock_diameter: 0.810 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-028-1367, 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
4177558
NSN: 5306-01-028-1367
FSC: 5306 — Bolts
CAGE: 80212 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
shank_length2.875 INCHES NOMINAL IN
thread_class2A A
thread_length2.500 INCHES NOMINAL IN
overall_length4.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND
eye_stock_diameter0.810 INCHES NOMINAL IN
eye_inside_diameter0.562 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNF
material_document_and_classificationMIL-S-13048 MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OVERALL
distance_from_center_of_eye_to_shank_end3.500 INCHES NOMINAL IN
NSN5306-01-028-1367
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4177558 · 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: 0.810 INCHES NOMINAL IN
•
THREAD LENGTH: 2.500 INCHES NOMINAL IN
•
SHANK LENGTH: 2.875 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-13048 MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
DISTANCE FROM CENTER OF EYE TO SHANK END: 3.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
EYE STOCK DIAMETER0.810 INCHES NOMINAL IN
THREAD LENGTH2.500 INCHES NOMINAL IN
SHANK LENGTH2.875 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-13048 MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OVERALL
OVERALL LENGTH4.125 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM CENTER OF EYE TO SHANK END3.500 INCHES NOMINAL IN
EYE INSIDE DIAMETER0.562 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
THREAD CLASS2A A
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4177558?
4177558 is a BOLT,EYE.
What is the NSN for 4177558?
4177558 is cataloged in the U.S. Government catalog under NSN 5306-01-028-1367. This indicates validated use in U.S. government and defense supply chains.
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