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L-805Y-6-6 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

L-805Y-6-6: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP E4340 OVERALL, head_style: FLAT CHAMFER, head_height: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.295 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN, thread_length: 0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-155-1874, 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
L-805Y-6-6
NSN: 5306-01-155-1874
FSC: 5306 — Bolts
CAGE: 06725 — SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP E4340 OVERALL
head_styleFLAT CHAMFER
head_height0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.295 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
thread_length0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
shoulder_length0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.216 INCHES MINIMUM AND 0.217 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
NSN5306-01-155-1874
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: L-805Y-6-6 · 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
•
HEAD HEIGHT: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.216 INCHES MINIMUM AND 0.217 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
FASTENER LENGTH0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
SHOULDER LENGTH0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.216 INCHES MINIMUM AND 0.217 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT CHAMFER
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 1
HL240-6-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is L-805Y-6-6?
L-805Y-6-6 is a BOLT,SHOULDER.
What parts can replace L-805Y-6-6?
There is 1 known substitute for L-805Y-6-6: HL240-6-6. Substitute compatibility should be verified for your specific system.
What is the NSN for L-805Y-6-6?
L-805Y-6-6 is cataloged in the U.S. Government catalog under NSN 5306-01-155-1874. 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.