The O-Ring, cataloged under National Stock Number 5331-00-610-5230, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-610-5230 |
| Primary Part Number | 853-07555-000 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.062 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| 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 |
|---|---|
| 739-7538PC45 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| 853-07555-000 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 853-07555-000 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 5331PL0795208 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 739-7538PC45 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 2-32C147-7 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 853-7555 | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 5331-00-610-5230 is a O-Ring, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-610-5230 has 2 manufacturer part numbers on file: 739-7538PC45 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 853-07555-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
1 possible match (shared part number, not a government interchangeability claim): 5331-00-942-8449. Verify interchangeability with system specifications before substitution.
Key specifications for 853-07555-000: Cross-Sectional Height: 0.062 INCHES NOMINAL IN; Material: RUBBER CHLOROPRENE CLASS CR. 2 specifications are 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.