The O-Ring, cataloged under National Stock Number 5331-01-553-1908, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Fisher Controls Co Inc. 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 | 5331-01-553-1908 |
| Primary Part Number | 1E2181-06992 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fisher Controls Co Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 1E2181-06992 PRIMARY | Fisher Controls Co Inc (USA) |
NSN 5331-01-553-1908 is a O-Ring, manufactured by Fisher Controls Co Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-553-1908 has 1 manufacturer part number on file: 1E2181-06992 (Fisher Controls Co Inc).
Key specifications for 1E2181-06992: Special Features: 7/16 X 5/8 X 3/32 INCH IN. 0 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.