The Parts Kit,driving Axle Different, cataloged under National Stock Number 2520-01-391-0774, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-391-0774 |
| Primary Part Number | KIT4720 |
| Item Name | Parts Kit,driving Axle Different |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Component Quantity | 36 |
| Supply Items and Quantities | DRIVE PINION 1, RING GEAR 1, NUT-DRIVE PINION 1, WASHER 16, CAPSCREW 16, THREAD LOCKING LIQUID 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| KIT4720 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| K1T4720 | C/1 Advisory reference — outside the item-of-supply concept Meritor Industrial Products, Llc |
| 4720 | 5/9 Secondary reference Amz Alabama Inc. |
| 4720 | 5/9 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| 4720 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
NSN 2520-01-391-0774 is a Parts Kit,driving Axle Different, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-391-0774 has 1 manufacturer part number on file: KIT4720 (Meritor Heavy Vehicle Systems, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 2090-01-479-4781, 5920-01-491-3509. Verify interchangeability with system specifications before substitution.
Key specifications for KIT4720: Component Quantity: 36; Supply Items and Quantities: DRIVE PINION 1, RING GEAR 1, NUT-DRIVE PINION 1, WASHER 16, CAPSCREW 16, THREAD LOCKING LIQUID 1; End Item Identification: 2320-01-354-3382; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS). 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.