The O-Ring, cataloged under National Stock Number 5331-01-181-7893, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ernst Flow Industries Llc Div Ernst Flow Industries. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Ernst Flow Industries Llc Div Ernst Flow Industries (CAGE 16199) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-181-7893 |
| Primary Part Number | EF1P88-11/16X15/16X3/8 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ernst Flow Industries Llc Div Ernst Flow Industries |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| EF1P88-11/16X15/16X3/8 PRIMARY | Ernst Flow Industries Llc Div Ernst Flow Industries (USA) |
| Reference | Meaning |
|---|---|
| EEP88-11/16X15/16X3/8 | 3/9 Design control — primary reference Ernst Flow Industries Llc Div Ernst Flow Industries |
| EEP88-11-16X15- 16X3-8 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| EEP88-11-16X15 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-181-7893 is a O-Ring, manufactured by Ernst Flow Industries Llc Div Ernst Flow Industries, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-181-7893 has 1 manufacturer part number on file: EF1P88-11/16X15/16X3/8 (Ernst Flow Industries Llc Div Ernst Flow Industries).
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.