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NO.1 LG=1-3/4 — Technical Data Sheet

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— · 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

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 material: STEEL OVERALL, special_features: SCUTTLE, pin_overall_length: 1.375 INCHES NOMINAL IN, end_item_identification: NIMITZ CLASS CVN, part_name_assigned_by_controlling_agency: TAPER PIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5315-01-470-2519, 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
NO.1 LG=1-3/4
NSN: 5315-01-470-2519
FSC: 5315
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresSCUTTLE
pin_overall_length1.375 INCHES NOMINAL IN
end_item_identificationNIMITZ CLASS CVN
part_name_assigned_by_controlling_agencyTAPER PIN
NSN5315-01-470-2519
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NO.1 LG=1-3/4 · 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
•
MATERIAL: STEEL OVERALL
•
PIN OVERALL LENGTH: 1.375 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
SPECIAL FEATURESSCUTTLE
PART NAME ASSIGNED BY CONTROLLING AGENCYTAPER PIN
MATERIALSTEEL OVERALL
END ITEM IDENTIFICATIONNIMITZ CLASS CVN
PIN OVERALL LENGTH1.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
124-4322652 PC 10InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
124-4322652InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NO.1 LG=7/8InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NO.0 LG=1-5/8InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
124-4322652 PC 63InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
124-4322651 PC 30InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NO.1 LG=1-3/4?
NO.1 LG=1-3/4 is a PIN,TAPERED,PLAIN.
What parts can replace NO.1 LG=1-3/4?
There are 16 known substitutes for NO.1 LG=1-3/4: 124-4322652 PC 10, 124-4322652, NO.1 LG=7/8 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NO.1 LG=1-3/4?
NO.1 LG=1-3/4 is cataloged in the Federal Logistics Information System under NSN 5315-01-470-2519. 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: September 2026