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1820186 — STUD,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1820186: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 2A NUT THREAD A, thread_length: 0.062 INCHES NOMINAL STUD THREAD IN, overall_length: 0.462 INCHES NOMINAL IN, shoulder_length: 0.400 INCHES NOMINAL IN, style_designator: SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-418-5874, 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
1820186
NSN: 5307-01-418-5874
FSC: 5307 — Studs
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thread_class2A NUT THREAD A
thread_length0.062 INCHES NOMINAL STUD THREAD IN
overall_length0.462 INCHES NOMINAL IN
shoulder_length0.400 INCHES NOMINAL IN
style_designatorSHOULDERED
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.112 INCHES NUT THREAD IN
nut_end_shank_length0.200 INCHES NOMINAL IN
distance_across_flats0.187 INCHES NOMINAL IN
nut_end_shank_diameter0.112 INCHES NOMINAL IN
stud_end_shank_diameter0.080 INCHES NOMINAL IN
NSN5307-01-418-5874
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1820186 · 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
•
NUT END SHANK DIAMETER: 0.112 INCHES NOMINAL IN
•
THREAD LENGTH: 0.062 INCHES NOMINAL STUD THREAD IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A581 TY303 COND A ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
NUT END SHANK DIAMETER0.112 INCHES NOMINAL IN
THREAD LENGTH0.062 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH0.100 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A581 TY303 COND A ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.462 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.112 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.112 INCHES STUD THREAD IN
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1820186?
1820186 is a STUD,SHOULDERED.
What is the NSN for 1820186?
1820186 is cataloged in the U.S. Government catalog under NSN 5307-01-418-5874. 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.