The O-Ring, cataloged under National Stock Number 5331-01-248-9718, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Aavolyn Corp. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Aavolyn Corp (CAGE 06MM3) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-248-9718 |
| Primary Part Number | 53-26021-Y04 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Aavolyn Corp |
| 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 |
|---|---|
| 53-26021-Y04 | Aavolyn Corp (USA) |
| Reference | Meaning |
|---|---|
| R62878B | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| R62878B | 5/9 Secondary reference U.S. Government activity |
| 53-26021-Y04 | 5/9 Secondary reference Harper Packing Sales and Engineering, Inc |
| 34605519 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| R62878B | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 5331-01-248-9718 is a O-Ring, manufactured by Aavolyn Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-248-9718 has 1 manufacturer part number on file: 53-26021-Y04 (Aavolyn Corp).
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.