NSN 2520-01-377-9969 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-377-9969. Manufacturer of record part number: 512-6404653-48.
Also searched as2520-01-377-9969 ·
2520013779969 ·
NIIN 013779969 ·
01-377-9969 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 53711 · 512-6404653-48
Shaft Spline Quantity: 10 LOCATION NOT OTHERWISE SPECIFIED
Connection End Type: SHAFT,INVOLUTE SPLINE FIRST END
Connection End Type: SHAFT,INVOLUTE SPLINE SECOND END
External Shaft Spline Major Diameter: 1.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 2520-01-377-9969
NIIN: 013779969
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 512-6404653-48
Manufacturer: Naval Sea Systems Command
General Description
The Universal Joint,vehicular, cataloged under National Stock Number 2520-01-377-9969, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2520-01-377-9969
Primary Part Number
512-6404653-48
Item Name
Universal Joint,vehicular
FSC / FSG
2520 / 25 — Vehicular Power Transmission Components
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Design Type
SPIDER AND BEARINGS
Shaft Spline Quantity
10 LOCATION NOT OTHERWISE SPECIFIED
Connection End Type
SHAFT,INVOLUTE SPLINE FIRST END
Connection End Type
SHAFT,INVOLUTE SPLINE SECOND END
External Shaft Spline Major Diameter
1.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 2520 — Vehicular Power Transmission Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2520-00-000-3976
2520-00-000-3976 · Item name not on file
2520-00-000-8852
2520-00-000-8852 · Item name not on file
2520-00-000-9292
2520-00-000-9292 · Item name not on file
2520-00-001-0011
2520-00-001-0011 · Item name not on file
2520-00-001-3397
2520-00-001-3397 · Item name not on file
2520-00-001-3425
2520-00-001-3425 · Item name not on file
2520-00-001-3440
ROLLER,CENTER
2520-00-001-3441
2520-00-001-3441 · Item name not on file
Frequently Asked Questions
What is NSN 2520-01-377-9969?
NSN 2520-01-377-9969 is a Universal Joint,vehicular, manufactured by Naval Sea Systems Command, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
What part numbers are listed for NSN 2520-01-377-9969?
NSN 2520-01-377-9969 has 1 manufacturer part number on file: 512-6404653-48 (Naval Sea Systems Command).
What are the specifications of 512-6404653-48?
Key specifications for 512-6404653-48: Design Type: SPIDER AND BEARINGS; Shaft Spline Quantity: 10 LOCATION NOT OTHERWISE SPECIFIED; Overall Length: 5.438 INCHES NOMINAL IN; Connection End Type: SHAFT,INVOLUTE SPLINE FIRST END. 5 specifications are documented in the U.S. Government catalog.
Is NSN 2520-01-377-9969 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.