The O-Ring, cataloged under National Stock Number 5331-01-306-9605, 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. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-306-9605 |
| Primary Part Number | AS28778-6 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Departure From Cited Document | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| AS28778-6 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS28778 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MS28778-6 | 5/9 Secondary reference U.S. Government activity |
| 10163439 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 3-6 | 5/9 Secondary reference U.S. Government activity |
| NG12253ITEM92 | 5/1 Secondary reference U.S. Government activity |
| 5331PL0789501 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 216-4363322 BC-F20 | 5/1 Secondary reference U.S. Government activity |
| AS28778-6 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5331-01-306-9605 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: cancelled.
NSN 5331-01-306-9605 has 1 manufacturer part number on file: AS28778-6 (Sae International Dba Sae International).
2 possible matches (shared part number, not a government interchangeability claim): 5331-01-477-4266, 5330-01-722-2595. Verify interchangeability with system specifications before substitution.
Key specifications for AS28778-6: Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL MANUFACTURING AND TESTING SPECIFICATIONS. 1 specification is 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.
NSN 5331-01-306-9605 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.