The O-Ring, cataloged under National Stock Number 5331-01-518-8911, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Tronair, Inc. Div Tronair. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-518-8911 |
| Primary Part Number | HC-1400 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Tronair, Inc. Div Tronair |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| HC-1400 PRIMARY | Tronair, Inc. Div Tronair (USA) |
| Reference | Meaning |
|---|---|
| HC-1400 | 5/9 Secondary reference Tronair Inc |
NSN 5331-01-518-8911 is a O-Ring, manufactured by Tronair, Inc. Div Tronair, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-518-8911 has 1 manufacturer part number on file: HC-1400 (Tronair, Inc. Div Tronair).
Key specifications for HC-1400: End Item Identification: T-6A TRAINING AIRCRAFT A; Material: RUBBER SYNTHETIC. 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.
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.