The O-Ring, cataloged under National Stock Number 5331-00-425-1596, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-425-1596 |
| Primary Part Number | 06689040142 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.849 INCHES MINIMUM AND 2.879 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| 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 |
|---|---|
| 06689040142 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 06689040142 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| Reference | Meaning |
|---|---|
| A6689-040-142 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| A6689-040-142 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| A6689.040.142 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| A6689.040.142CP | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-00-425-1596 is a O-Ring, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-425-1596 has 2 manufacturer part numbers on file: 06689040142 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 06689040142 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
2 possible matches (shared part number, not a government interchangeability claim): 5330-00-472-2632, 5331-01-547-3083. Verify interchangeability with system specifications before substitution.
Key specifications for 06689040142: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 2.849 INCHES MINIMUM AND 2.879 INCHES MAXIMUM IN; Material: PLASTIC POLYTETRAFLUOROETHYLENE. 3 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.