PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5-121XParts Kit,universal Joint

Dana Corp Spicer Transmission Div · NSN 2520-00-530-7544 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-530-7544 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-530-7544. Primary manufacturer part number: 5-121X.
Features
  • Parts Kit,universal Joint — FSC 2520
  • End Item Source: 29690
  • FSC Application Data: PROPELLER SHAFT,TRUCK
  • Document Identification: TM10-3950-202-35P
  • Component Quantity: 18
  • Document Source: 19099
  • Component Document Origin: GOVERNMENT
  • End Item Name: CRANE,WAREHOUSE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Parts Kit,universal Joint, cataloged under National Stock Number 2520-00-530-7544, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Dana Corp Spicer Transmission Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 31 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2520-00-530-7544
Primary Part Number5-121X
Item NameParts Kit,universal Joint
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerDana Corp Spicer Transmission Div
StatusCANCELLED
End Item Source29690
FSC Application DataPROPELLER SHAFT,TRUCK
Document IdentificationTM10-3950-202-35P
Component Quantity18
Document Source19099
Component Document OriginGOVERNMENT
End Item NameCRANE,WAREHOUSE
Document TypeTECHNICAL MANUAL
Component Document Page Number80
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6680-00-039-8431518191 INTERCHANGEABLE
Gage Rod,liquid Level
Renk America Llc Div Renk America
3110-00-114-9496ER23 INTERCHANGEABLE
Bearing,ball,annular
Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co
5930-00-115-00243170013 INTERCHANGEABLE
Switch,pressure
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
8455-00-126-4603 INTERCHANGEABLE
Insignia,shoulder Sleeve
5905-00-233-3643 INTERCHANGEABLE
Resistor,fixed,film
2915-00-305-42171-152-1 INTERCHANGEABLE
Valve,float,aircraft Fuel Tank
Parker Hannifin Corporation Div Aerospace Group Headquarters
5325-00-310-59415160-59 INTERCHANGEABLE
Ring,retaining
Rotor Clip Company, Inc.
3655-00-377-501411521 INTERCHANGEABLE
Disk,gate Valve
Flowserve Inc
5935-00-392-7793SM-B-157243 INTERCHANGEABLE
Retainer,electrical Connector
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-00-403-995411521 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Mission Systems Orchard Park Inc
Cross-Reference Index
Part NumberManufacturer
121406R92 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
936686 Spalla Inc (USA)
5-21X Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA)
K5-21X Dana Corp Spicer Transmission Div (USA)
W2-521 Watson H S Co (USA)
V2823 Benju Sales & Earths Choice Inc Dba Benju Div Benju Sales (USA)
121406R91 Navistar International Corporation Dba Navistar (USA)
N2-513 Watson H S Co (USA)
65C35496-1 San Antonio Air Logistics Center (USA)
518191 Towmotor Corp Dallas Plant Sub of Caterpillar Tractor Co (USA)
V2823 Correct Mfg Corp (USA)
30057X Neapco Inc (USA)
5-121X Spalla Inc (USA)
2520PL0978993 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5-121X PRIMARY Dana Corp Spicer Transmission Div (USA)
B7A7039A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
5200X Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA)
2290A Zeller Corp the (USA)
5-121X PRIMARY Balkamp Inc (USA)
121406R92 Navistar Intl Corp Truck Br Ohio Plant (USA)
Related Parts
6680-00-039-8431INTERCHANGEABLE
GAGE ROD,LIQUID LEVEL
518191
3110-00-114-9496INTERCHANGEABLE
BEARING,BALL,ANNULAR
ER23
5930-00-115-0024INTERCHANGEABLE
SWITCH,PRESSURE
3170013
8455-00-126-4603INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5905-00-233-3643INTERCHANGEABLE
RESISTOR,FIXED,FILM
2915-00-305-4217INTERCHANGEABLE
VALVE,FLOAT,AIRCRAFT FUEL TANK
1-152-1
5325-00-310-5941INTERCHANGEABLE
RING,RETAINING
5160-59
3655-00-377-5014INTERCHANGEABLE
DISK,GATE VALVE
11521
5935-00-392-7793INTERCHANGEABLE
RETAINER,ELECTRICAL CONNECTOR
SM-B-157243
4730-00-403-9954INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
11521
4820-00-484-1599INTERCHANGEABLE
VALVE ASSEMBLY
3168-2
5136-00-585-6760INTERCHANGEABLE
TAP,THREAD CUTTING

Frequently Asked Questions

What is NSN 2520-00-530-7544?

NSN 2520-00-530-7544 is a Parts Kit,universal Joint, manufactured by Dana Corp Spicer Transmission Div, classified under FSC 2520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2520-00-530-7544?

NSN 2520-00-530-7544 has 50 cross-referenced part numbers: 121406R92 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 936686 (Spalla Inc), 5-21X (Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products), K5-21X (Dana Corp Spicer Transmission Div), W2-521 (Watson H S Co) and 45 more.

What NSN replaces 2520-00-530-7544?

There are 12 known substitutes for 2520-00-530-7544: 6680-00-039-8431, 3110-00-114-9496, 5930-00-115-0024 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5-121X?

Key specifications for 5-121X: End Item Source: 29690; FSC Application Data: PROPELLER SHAFT,TRUCK; Document Identification: TM10-3950-202-35P; Component Quantity: 18. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2520-00-530-7544 still in active supply?

NSN 2520-00-530-7544 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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