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77851-2 — BOLT,EYE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

77851-2: BOLT,EYE.

The BOLT,EYE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 3.190 INCHES MINIMUM AND 3.270 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 1.140 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN, overall_length: 4.950 INCHES MINIMUM AND 5.010 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-032-6208, 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
77851-2
NSN: 5306-01-032-6208
FSC: 5306 — Bolts
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length3.190 INCHES MINIMUM AND 3.270 INCHES MAXIMUM IN
thread_class3A A
thread_length1.140 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN
overall_length4.950 INCHES MINIMUM AND 5.010 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
eye_stock_diameter0.800 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN
eye_inside_diameter0.874 INCHES MINIMUM AND 0.876 INCHES MAXIMUM IN
nominal_thread_diameter0.750 INCHES IN
minimum_tensile_strength22000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch16
NSN5306-01-032-6208
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 77851-2 · 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: 0.800 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 1.140 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM FIRST HOLE IN
•
SHANK LENGTH: 3.190 INCHES MINIMUM AND 3.270 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5758 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
TECHNICAL CHARACTERISTICS
EYE STOCK DIAMETER0.800 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH1.140 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN
SHANK UNTHREADED HOLE DIAMETER0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM FIRST HOLE IN
SHANK LENGTH3.190 INCHES MINIMUM AND 3.270 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5758 ASSN STD ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH4.950 INCHES MINIMUM AND 5.010 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.750 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM THREADED END TO SHANK HOLE CENTER3.890 INCHES MINIMUM AND 3.950 INCHES MAXIMUM FIRST HOLE 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 2
5169289-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5169289Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 77851-2?
77851-2 is a BOLT,EYE.
What parts can replace 77851-2?
There are 2 known substitutes for 77851-2: 5169289-001, 5169289. Substitute compatibility should be verified for your specific system.
What is the NSN for 77851-2?
77851-2 is cataloged in the U.S. Government catalog under NSN 5306-01-032-6208. 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.