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DIN7977-8X75 — PIN,TAPERED,THREADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

DIN7977-8X75: 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: 1.500 PER METER IN MILLIMETERS, material: STEEL OVERALL, taper_length: 49.0 MILLIMETERS NOMINAL MM, first_end_style: OVAL, second_end_style: RADIUS, style_designator: THREADED AT LARGE END. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-291-4574, 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
DIN7977-8X75
NSN: 5315-01-291-4574
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 15526 — METRIC AND MULTISTANDARD COMPONENTS CORP (USA)
SPECIFICATIONS
taper1.500 PER METER IN MILLIMETERS
materialSTEEL OVERALL
taper_length49.0 MILLIMETERS NOMINAL MM
first_end_styleOVAL
second_end_styleRADIUS
style_designatorTHREADED AT LARGE END
first_end_locationTHREADED END
nominal_thread_size8.0 MILLIMETERS MM
taper_major_diameter8.0 MILLIMETERS NOMINAL MM
taper_minor_diameter8.0 MILLIMETERS NOMINAL MM
second_end_corner_radius0.4 MILLIMETERS NOMINAL MM
thread_series_designatorISO M
NSN5315-01-291-4574
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: DIN7977-8X75 · 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
•
FIRST END LOCATION: THREADED END
•
FIRST END STYLE: OVAL
•
TAPER MINOR DIAMETER: 8.0 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: THREADED AT LARGE END
•
TAPER MAJOR DIAMETER: 8.0 MILLIMETERS NOMINAL MM
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
NOMINAL THREAD SIZE: 8.0 MILLIMETERS MM
•
TAPER LENGTH: 49.0 MILLIMETERS NOMINAL MM
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
FIRST END LOCATIONTHREADED END
FIRST END STYLEOVAL
TAPER MINOR DIAMETER8.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORTHREADED AT LARGE END
TAPER MAJOR DIAMETER8.0 MILLIMETERS NOMINAL MM
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
NOMINAL THREAD SIZE8.0 MILLIMETERS MM
TAPER LENGTH49.0 MILLIMETERS NOMINAL MM
SECOND END STYLERADIUS
TAPER1.500 PER METER IN MILLIMETERS
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DIN7977-8X75?
DIN7977-8X75 is a PIN,TAPERED,THREADED.
What is the NSN for DIN7977-8X75?
DIN7977-8X75 is cataloged in the U.S. Government catalog under NSN 5315-01-291-4574. This indicates validated use in U.S. government and defense supply chains.
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