The Parts Kit,seal Replacement,mecha, cataloged under National Stock Number 5330-01-558-3526, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Watts Regulator Company. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-558-3526 |
| Primary Part Number | 0887730 RK 909 S 2.50IN |
| Item Name | Parts Kit,seal Replacement,mecha |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| End Item Name | VALVE ASSEMBLY |
| Furnished Items | SEAT, SEAT O-RING, LUBRICANT |
| 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 |
|---|---|
| RK909 S 2.50IN | Watts Regulator Company (USA) |
| 0887730 2.50IN | Watts Regulator Company (USA) |
| 0887730 RK 909 S 2.50IN PRIMARY | Watts Regulator Company (USA) |
NSN 5330-01-558-3526 is a Parts Kit,seal Replacement,mecha, manufactured by Watts Regulator Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-558-3526 has 3 manufacturer part numbers on file: RK909 S 2.50IN (Watts Regulator Company), 0887730 2.50IN (Watts Regulator Company), 0887730 RK 909 S 2.50IN (Watts Regulator Company).
Key specifications for 0887730 RK 909 S 2.50IN: End Item Name: VALVE ASSEMBLY; Furnished Items: SEAT, SEAT O-RING, LUBRICANT; Part Name Assigned by Controlling Agency: SEAL KIT; End Item Identification: 4820-01-558-3416; OVERHAUL/AVAILABILITY LHD3. 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.