The O-Ring, cataloged under National Stock Number 5331-01-324-8278, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Sae International Dba Sae International (CAGE 0U583); Rtx Corporation Div Pratt & Whitney (CAGE 52661) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-324-8278 |
| Primary Part Number | AS43013-046 |
| 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) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| AS43013-046 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| AS43013-046 PRIMARY | Sae International Dba Sae International (USA) |
| AS43013-046 | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| AS43013-046 | 3/9 Design control — primary reference Ese, Inc. Dba E S Components Company |
| AS43013-046 | 5/9 Secondary reference Society of British Aerospace Companies Ltd (sbac) |
NSN 5331-01-324-8278 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-324-8278 has 3 manufacturer part numbers on file: AS43013-046 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), AS43013-046 (Sae International Dba Sae International), AS43013-046 (Rtx Corporation Div Pratt & Whitney).
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.