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186-6591 — PIN,TAPERED,PLAIN

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

186-6591: PIN,TAPERED,PLAIN.

The PIN,TAPERED,PLAIN is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include end_item_identification: TGRI 50011 RADAR TYPE 93. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-356-7153, 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
186-6591
NSN: 5310-01-356-7153
NIINs: 013567153, 013680817
FSC: 5310 — Nuts and Washers
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
end_item_identificationTGRI 50011 RADAR TYPE 93
NSN5310-01-356-7153
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 186-6591 · OEM ⚠ 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
SUBSTITUTES & CROSS-REFERENCES 1
186-6240Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 186-6591?
186-6591 is a PIN,TAPERED,PLAIN.
What parts can replace 186-6591?
There is 1 known substitute for 186-6591: 186-6240. Substitute compatibility should be verified for your specific system.
What is the NSN for 186-6591?
186-6591 is cataloged in the U.S. Government catalog under NSN 5310-01-356-7153. 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.