The O-Ring, cataloged under National Stock Number 5331-01-701-8170, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Emerson Process Management Lllp. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-701-8170 |
| Primary Part Number | ERCA00664A0 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Emerson Process Management Lllp |
| Status | ACTIVE |
| Cross-Sectional Height | 0.0937 INCHES NOMINAL IN |
| Outside Diameter | 0.6875 INCHES NOMINAL IN |
| Center Hole Diameter | 0.50 INCHES NOMINAL 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 |
|---|---|
| ERCA00664A0 PRIMARY | Emerson Process Management Lllp (USA) |
NSN 5331-01-701-8170 is a O-Ring, manufactured by Emerson Process Management Lllp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-701-8170 has 1 manufacturer part number on file: ERCA00664A0 (Emerson Process Management Lllp).
Key specifications for ERCA00664A0: Cross-Sectional Height: 0.0937 INCHES NOMINAL IN; Outside Diameter: 0.6875 INCHES NOMINAL IN; Center Hole Diameter: 0.50 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: 0-RING. 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.