The Tool,seat Ring, cataloged under National Stock Number 4820-00-602-2735, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-602-2735 |
| Primary Part Number | 098-07515-000 |
| Item Name | Tool,seat Ring |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; CONSISTS OF ONE TUBE,1.500 IN. OD,1.125 IN. ID,4.000 IN. LG,W/SLOT,CUT WITH WOODRUFF KEY CUTTER,0.094 IN. W BY 0.500 IN. LG,PART NO. 90-7509M AND ONE ROD,0.375 IN. OD,5.335 IN. LG,W/FLATTED ENDS,PART NO. 841-529 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SMS-739-7538PC75 | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc (USA) |
| 098-07515-000 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 739-7538PC75 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 098-07515-000 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 98-7515 | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 4820-00-602-2735 is a Tool,seat Ring, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-602-2735 has 2 manufacturer part numbers on file: SMS-739-7538PC75 (Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc), 098-07515-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 098-07515-000: General Characteristics Item Description: STEEL; CONSISTS OF ONE TUBE,1.500 IN. OD,1.125 IN. ID,4.000 IN. LG,W/SLOT,CUT WITH WOODRUFF KEY CUTTER,0.094 IN. W BY 0.500 IN. LG,PART NO. 90-7509M AND ONE ROD,0.375 IN. OD,5.335 IN. LG,W/FLATTED ENDS,PART NO. 841-529 IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.