PartsTable
Technical Data Sheet
121-037-1 ✓ Verified by PartsTable
3M · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

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This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-549-5363, 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
121-037-1
NSN: 5315-01-549-5363
FSC: 5315
CAGE: S3002 — GENERAL DYNAMICS EUROPEAN, LAND-SYSTEMS-MOWAG GMBH DBA GDELS (CHE)
SPECIFICATIONS
Part Number121-037-1
Manufacturer3M
NSN5315-01-549-5363
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 121-037-1 · 3M ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
A1405B2Interchangeable
interchangeable cross-reference
interchangeable
43-959Interchangeable
interchangeable cross-reference
interchangeable
AA753Interchangeable
interchangeable cross-reference
interchangeable
20C2937-1Interchangeable
interchangeable cross-reference
interchangeable
5014-1Interchangeable
interchangeable cross-reference
interchangeable
2020-5136-64Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121-037-1?
121-037-1 is a BEARING,ROLLER,TAPERED manufactured by 3M.
What parts can replace 121-037-1?
There are 20 known substitutes for 121-037-1: A1405B2, 43-959, AA753 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121-037-1?
121-037-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-549-5363. This indicates validated use in U.S. government and defense supply chains.
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