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011780186 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

011780186: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: DEE, head_height: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN, thread_length: 0.253 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-178-0186, 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
011780186
NSN: 5306-01-178-0186
FSC: 5306 — Bolts
CAGE: 4GP55 — ACUFAST AIRCRAFT PRODUCTS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleDEE
head_height0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
thread_length0.253 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.733 INCHES MINIMUM AND 1.741 INCHES MAXIMUM IN
shoulder_length0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
nominal_thread_diameter0.250 INCHES IN
NSN5306-01-178-0186
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 011780186 · 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: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.733 INCHES MINIMUM AND 1.741 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM FIRST SHOULDER IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.253 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
FASTENER LENGTH1.733 INCHES MINIMUM AND 1.741 INCHES MAXIMUM IN
SHOULDER LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM FIRST SHOULDER IN
DISTANCE FROM CENTERLINE TO FLAT0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
SHOULDER DIAMETER0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.253 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEDEE
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
9514M85P01Same 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 011780186?
011780186 is a BOLT,SHOULDER.
What parts can replace 011780186?
There is 1 known substitute for 011780186: 9514M85P01. Substitute compatibility should be verified for your specific system.
What is the NSN for 011780186?
011780186 is cataloged in the U.S. Government catalog under NSN 5306-01-178-0186. 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.