PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12122006-1Shaft,jack

Jered Llc · NSN 4921-01-145-5346 · FSC 4921 · No Item Name Available
Verified by PartsTable
NSN 4921-01-145-5346 — this item is cataloged by the U.S. Government under National Stock Number 4921-01-145-5346. Primary manufacturer part number: 12122006-1.
Features
  • Shaft,jack — FSC 4921
  • 7 verified cross-references
  • Primary manufacturer: Jered Llc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Shaft,jack, cataloged under National Stock Number 4921-01-145-5346, is classified within Federal Supply Class 4921 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Jered Llc. This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameShaft,jack
FSC / FSG4921 — No Item Name Available (FSG 49)
ManufacturersJered Llc (CAGE 98523); Unidynamics/saint Louis Inc Conroe Opns (CAGE 95310); Gulf Coast Holdings, Inc Dba Unidynamics (CAGE 0DHG4)
Technical Specifications
ParameterValue
NSN4921-01-145-5346
Primary Part Number12122006-1
Item NameShaft,jack
FSC / FSG4921 / 49 — No Item Name Available
ManufacturerJered Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4921-01-145-329412121000 ITEM 2 8 INTERCHANGEABLE
Shaft Output
Jered Llc
3040-01-145-334612121000 ITEM 3 7 INTERCHANGEABLE
Shaft,straight
Jered Llc
4921-01-145-5343 INTERCHANGEABLE
Hoist Assembly Torp
4921-01-145-5344 INTERCHANGEABLE
Cam Follower,hoist
4921-01-145-5345CCFL-2 1/2-SB INTERCHANGEABLE
Cam Follower,hoist
Mcgill Manufacturing Co, Inc
4921-01-145-534712121000 ITEM 4 INTERCHANGEABLE
Pendant Assembly
Jered Llc
4921-01-145-534812121000 ITEM 5 5 INTERCHANGEABLE
Pulley and Bearing
Jered Llc
5340-01-145-538412121000 ITEM 6 2 INTERCHANGEABLE
Strap,retaining
Jered Llc
3130-01-145-540912121000 ITEM 9 1 INTERCHANGEABLE
Cap,pillow Block
Jered Llc
3130-01-145-541012121000 ITEM 9 2 INTERCHANGEABLE
Cap,pillow Block
Jered Llc
Cross-Reference Index
Part NumberManufacturer
12122006-1 PRIMARY Jered Llc (USA)
12121000 Unidynamics/saint Louis Inc Conroe Opns (USA)
12122006-1 Unidynamics/saint Louis Inc Conroe Opns (USA)
12121000 ITEM 27 Unidynamics/saint Louis Inc Conroe Opns (USA)
12121000 ITEM 2 7 Gulf Coast Holdings, Inc Dba Unidynamics (USA)
12121000 ITEM 2 7 PRIMARY Jered Llc (USA)
12122006-1 Gulf Coast Holdings, Inc Dba Unidynamics (USA)
Related Parts
4921-01-145-3294INTERCHANGEABLE
SHAFT OUTPUT
12121000 ITEM 2 8
3040-01-145-3346INTERCHANGEABLE
SHAFT,STRAIGHT
12121000 ITEM 3 7
4921-01-145-5343INTERCHANGEABLE
HOIST ASSEMBLY TORP
4921-01-145-5344INTERCHANGEABLE
CAM FOLLOWER,HOIST
4921-01-145-5345INTERCHANGEABLE
CAM FOLLOWER,HOIST
CCFL-2 1/2-SB
4921-01-145-5347INTERCHANGEABLE
PENDANT ASSEMBLY
12121000 ITEM 4
4921-01-145-5348INTERCHANGEABLE
PULLEY AND BEARING
12121000 ITEM 5 5
5340-01-145-5384INTERCHANGEABLE
STRAP,RETAINING
12121000 ITEM 6 2
3130-01-145-5409INTERCHANGEABLE
CAP,PILLOW BLOCK
12121000 ITEM 9 1
3130-01-145-5410INTERCHANGEABLE
CAP,PILLOW BLOCK
12121000 ITEM 9 2
4710-01-145-5411INTERCHANGEABLE
TUBE ASSEMBLY,METAL
12121000 ITEM 6 8
3040-01-145-5413INTERCHANGEABLE
SHAFT,STRAIGHT

Frequently Asked Questions

What is NSN 4921-01-145-5346?

NSN 4921-01-145-5346 is a Shaft,jack, manufactured by Jered Llc, classified under FSC 4921 (No Item Name Available). Status: active.

What are the part numbers for NSN 4921-01-145-5346?

NSN 4921-01-145-5346 has 7 cross-referenced part numbers: 12122006-1 (Jered Llc), 12121000 (Unidynamics/saint Louis Inc Conroe Opns), 12122006-1 (Unidynamics/saint Louis Inc Conroe Opns), 12121000 ITEM 27 (Unidynamics/saint Louis Inc Conroe Opns), 12121000 ITEM 2 7 (Gulf Coast Holdings, Inc Dba Unidynamics) and 2 more.

What NSN replaces 4921-01-145-5346?

There are 12 known substitutes for 4921-01-145-5346: 4921-01-145-3294, 3040-01-145-3346, 4921-01-145-5343 and 9 more. Verify interchangeability with system specifications before substitution.

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