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SS5211-8H20 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SS5211-8H20: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, hole_type: DRILLED, head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN, head_height: 0.494 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-389-7207, 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
SS5211-8H20
NSN: 5306-01-389-7207
FSC: 5306 — Bolts
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
hole_typeDRILLED
head_styleDOUBLE HEXAGON EXTENDED WASHER
grip_length1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
head_height0.494 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN
hole_diameter0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
hole_quantity4
thread_length0.841 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES GRIP
fastener_length2.075 INCHES MINIMUM AND 2.107 INCHES MAXIMUM IN
NSN5306-01-389-7207
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SS5211-8H20 · 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 FINISH: 32.0 MICROINCHES THREADS
•
EXTENDED WASHER THICKNESS: 0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.494 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.075 INCHES MINIMUM AND 2.107 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2401 ASSN STD 1ST TREATMENT RESPONSE AND QQ-P-416, TY 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.841 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH32.0 MICROINCHES GRIP
EXTENDED WASHER THICKNESS0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
HEAD HEIGHT0.494 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN
FASTENER LENGTH2.075 INCHES MINIMUM AND 2.107 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2401 ASSN STD 1ST TREATMENT RESPONSE AND QQ-P-416, TY 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
THREAD LENGTH0.841 INCHES NOMINAL IN
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEDOUBLE HEXAGON LONGITUDINAL HOLE
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SS5211-8H20?
SS5211-8H20 is a BOLT,SHEAR.
What is the NSN for SS5211-8H20?
SS5211-8H20 is cataloged in the U.S. Government catalog under NSN 5306-01-389-7207. 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.