The O-Ring, cataloged under National Stock Number 5331-01-338-5551, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Sae International Dba Sae International (CAGE 0U583); Hamilton Sundstrand Corporation Dba Collins Aerospace (CAGE 73030) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-338-5551 |
| Primary Part Number | AS568B-030 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| 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 |
|---|---|
| AS568B-030 PRIMARY | Sae International Dba Sae International (USA) |
| 818548-030 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 700-030-433C | 5/9 Secondary reference Carver Pump Company |
| 5331PL2117207 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| M83248/1-030 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2-030V884-75 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 645001RR030 | 5/2 Secondary reference U.S. Government activity |
| AS568 | 5/1 Secondary reference Sae International Dba Sae International |
| AS568-030 AMS7276 | 5/9 Secondary reference U.S. Government activity |
| AS568B-030 | 5/9 Secondary reference U.S. Government activity |
| AS568 | 5/9 Secondary reference U.S. Government activity |
| 700-030-433 | C/1 Advisory reference — outside the item-of-supply concept Carver Pump Company |
| F-NGG-0-99-001 PIECE 37 | 5/9 Secondary reference Carver Pump Company |
| 700-030-433C | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-338-5551 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-338-5551 has 2 manufacturer part numbers on file: AS568B-030 (Sae International Dba Sae International), 818548-030 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
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.