The Rod Assembly,operating, cataloged under National Stock Number 2530-01-540-4503, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-540-4503 |
| Primary Part Number | H621-0101-A1L1 |
| Item Name | Rod Assembly,operating |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| H621-0101-A1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| H621-0103-A1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 566-6985425-A1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 566-6985427-A1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 566-6985427-A1 | 5/1 Secondary reference Naval Sea Systems Command |
| H621-0103-A1 | 5/1 Secondary reference U.S. Government activity |
| H621-0101-A1 | 5/1 Secondary reference U.S. Government activity |
| 566-6985425-A1 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 2530-01-540-4503 is a Rod Assembly,operating, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-540-4503 has 4 manufacturer part numbers on file: H621-0101-A1L1 (Naval Inventory Control Point Mechanicsburg), H621-0103-A1L1 (Naval Inventory Control Point Mechanicsburg), 566-6985425-A1L1 (Naval Inventory Control Point Mechanicsburg), 566-6985427-A1L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for H621-0101-A1L1: Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: STEERING GEAR ARRANGEMENT IN SHIP (DRAWING NAME); End Item Identification: STEERING GEAR ROD ASSEMBLY, OPERATING; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 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.
NSN 2530-01-540-4503 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.