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Technical Data Sheet
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1000821 — Technical Data Sheet

✓ Verified by PartsTable
3M · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The STUD,SHOULDERED AND STEPPED is a 3M industrial component. Key specifications include part_name_assigned_by_controlling_agency: BOLT, 4/4-16. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5307-01-317-2428, 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
1000821
NSN: 5307-01-317-2428
FSC: 5307
CAGE: 99145 — EATON AEROSPACE LLC ED AND C WEST DIV (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyBOLT, 4/4-16
NSN5307-01-317-2428
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1000821 · 3M ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
10-0082InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
18998InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
12759-00345InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1000821?
1000821 is a STUD,SHOULDERED AND STEPPED manufactured by 3M.
What parts can replace 1000821?
There are 3 known substitutes for 1000821: 10-0082, 18998, 12759-00345. Substitute compatibility should be verified for your specific system.
What is the NSN for 1000821?
1000821 is cataloged in the Federal Logistics Information System under NSN 5307-01-317-2428. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026