The O-Ring, cataloged under National Stock Number 5331-01-157-8385, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bsi Standards Limited. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-157-8385 |
| Primary Part Number | AS43013-111 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bsi Standards Limited |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.419 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN |
| 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 |
|---|---|
| AS43013-111 PRIMARY | Bsi Standards Limited (GBR) |
| Reference | Meaning |
|---|---|
| AS403013-111 | 5/9 Secondary reference Dbr Industries, Inc. Dba Dbr Industries Inc |
| AS403013-111 | 5/9 Secondary reference Rolls-Royce Plc Div Defense (europe) |
| AS403013-111 | 5/9 Secondary reference Dunlop Aerospace Polymers & Composites |
| AS403013-111 | 5/9 Secondary reference Goodrich Limited Div Goodrich Ltd |
| AS403013-111 | 5/9 Secondary reference Dunlop Aerospace Polymers & Composites |
| A43013-111 | 5/9 Secondary reference Meggitt Aerospace Ltd T/a Meggitt Polymers and Composites |
NSN 5331-01-157-8385 is a O-Ring, manufactured by Bsi Standards Limited, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-157-8385 has 1 manufacturer part number on file: AS43013-111 (Bsi Standards Limited).
Key specifications for AS43013-111: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 0.419 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN. 2 specifications are 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.