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7B8688 — PIN,TAPERED,THREADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7B8688: PIN,TAPERED,THREADED.

The PIN,TAPERED,THREADED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include taper: 0.750 PER FOOT IN INCHES, material: STEEL OVERALL, grip_length: 1.000 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.094 INCHES NOMINAL IN, style_designator: THREADED AT SMALL END. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-352-8329, 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
7B8688
NSN: 5315-00-352-8329
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
taper0.750 PER FOOT IN INCHES
materialSTEEL OVERALL
grip_length1.000 INCHES NOMINAL IN
thread_class2A A
thread_length1.094 INCHES NOMINAL IN
style_designatorTHREADED AT SMALL END
first_hole_diameter0.094 INCHES NOMINAL IN
nominal_thread_size0.375 INCHES IN
taper_major_diameter0.438 INCHES NOMINAL IN
taper_minor_diameter0.281 INCHES NOMINAL IN
hole_arrangement_styleONE END DRILLED
thread_series_designatorUNF
NSN5315-00-352-8329
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7B8688 · 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
KEY FEATURES
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
THREAD LENGTH: 1.094 INCHES NOMINAL IN
•
FIRST HOLE DIAMETER: 0.094 INCHES NOMINAL IN
•
TAPER MINOR DIAMETER: 0.281 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THREADED AT SMALL END
•
TAPER MAJOR DIAMETER: 0.438 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
GRIP LENGTH: 1.000 INCHES NOMINAL IN
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
TECHNICAL CHARACTERISTICS
HOLE ARRANGEMENT STYLEONE END DRILLED
THREAD LENGTH1.094 INCHES NOMINAL IN
FIRST HOLE DIAMETER0.094 INCHES NOMINAL IN
TAPER MINOR DIAMETER0.281 INCHES NOMINAL IN
STYLE DESIGNATORTHREADED AT SMALL END
TAPER MAJOR DIAMETER0.438 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.375 INCHES IN
GRIP LENGTH1.000 INCHES NOMINAL IN
TAPER0.750 PER FOOT IN INCHES
THREAD CLASS2A A
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7B8688?
7B8688 is a PIN,TAPERED,THREADED.
What is the NSN for 7B8688?
7B8688 is cataloged in the U.S. Government catalog under NSN 5315-00-352-8329. 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.