PartsTable
Technical Data Sheet
Download PDF

1820516C1 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1820516C1: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include thread_class: 8 STUD THREAD, thread_length: 16.0 MILLIMETERS NOMINAL STUD THREAD MM, overall_length: 44.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND STUD THREAD, surface_treatment: PHOSPHATE OVERALL, end_item_identification: MRAP - UNIQUE NSN - USED ON 3 MRAP VARIANTS; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-566-6879, 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
1820516C1
NSN: 5307-01-566-6879
FSC: 5307 — Studs
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
thread_class8 STUD THREAD
thread_length16.0 MILLIMETERS NOMINAL STUD THREAD MM
overall_length44.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentPHOSPHATE OVERALL
end_item_identificationMRAP - UNIQUE NSN - USED ON 3 MRAP VARIANTS; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS
thread_series_designatorM STUD THREAD
part_name_assigned_by_controlling_agencySTUD-BOLT
NSN5307-01-566-6879
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1820516C1 · 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
•
THREAD LENGTH: 16.0 MILLIMETERS NOMINAL STUD THREAD MM
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
THREAD CLASS: 8 STUD THREAD
•
THREAD SERIES DESIGNATOR: M STUD THREAD
TECHNICAL CHARACTERISTICS
THREAD LENGTH16.0 MILLIMETERS NOMINAL STUD THREAD MM
OVERALL LENGTH44.0 MILLIMETERS NOMINAL MM
THREAD DIRECTIONRIGHT-HAND STUD THREAD
SURFACE TREATMENTPHOSPHATE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSTUD-BOLT
THREAD CLASS8 STUD THREAD
END ITEM IDENTIFICATIONMRAP - UNIQUE NSN - USED ON 3 MRAP VARIANTS; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS
THREAD SERIES DESIGNATORM STUD THREAD
SUBSTITUTES & CROSS-REFERENCES 1
EMD-1502Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 1820516C1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1820516C1?
1820516C1 is a STUD,LOCKED IN.
What parts can replace 1820516C1?
There is 1 known substitute for 1820516C1: EMD-1502. Substitute compatibility should be verified for your specific system.
What is the NSN for 1820516C1?
1820516C1 is cataloged in the U.S. Government catalog under NSN 5307-01-566-6879. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1820516C1

✓ 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.