NSN 2520-01-656-5409 · NIIN 016565409 · Part number 4646.2989.16
Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors · FSC 2520 — Vehicular Power Transmission Components · FSG 25 — Vehicular Equipment Components · CAGE 1EPQ7
Government record, cited
NSN 2520-01-656-5409 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-656-5409. Manufacturer of record part number: 4646.2989.16.
Also searched as2520-01-656-5409 ·
2520016565409 ·
NIIN 016565409 ·
01-656-5409 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 1EPQ7 · 4646.2989.16 · 4646.251.082
Manufacturer of record: Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors
Identification
NSN: 2520-01-656-5409
NIIN: 016565409
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 4646.2989.16
Manufacturer: Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors
General Description
The Disc Carrier, cataloged under National Stock Number 2520-01-656-5409, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2520-01-656-5409
Primary Part Number
4646.2989.16
Item Name
Disc Carrier
FSC / FSG
2520 / 25 — Vehicular Power Transmission Components
Manufacturer
Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors (USA)
Reference documents
Reference
Meaning
4646.251.082
3/9Design control — primary reference
Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors
No interchangeability data on file.
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 2520-01-656-5409?
NSN 2520-01-656-5409 is a Disc Carrier, manufactured by Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
What part numbers are listed for NSN 2520-01-656-5409?
NSN 2520-01-656-5409 has 1 manufacturer part number on file: 4646.2989.16 (Palmer Johnson Power Systems Llc Dba Palmer Johnson Distributors).
What are the specifications of 4646.2989.16?
Key specifications for 4646.2989.16: End Item Identification: 3930-01-522-7364. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2520-01-656-5409 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.