The O-Ring, cataloged under National Stock Number 5331-01-054-0855, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-054-0855 |
| Primary Part Number | 270AS152 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Cross-Sectional Height | 0.410 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN |
| Center Hole Diameter | 3.523 INCHES MINIMUM AND 3.553 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 270AS152 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 270AS152 | Rubber Development Inc (USA) |
| Reference | Meaning |
|---|---|
| 270AS152-1 | C/1 Advisory reference — outside the item-of-supply concept Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 48B7864-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-054-0855 is a O-Ring, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-054-0855 has 2 manufacturer part numbers on file: 270AS152 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 270AS152 (Rubber Development Inc).
Key specifications for 270AS152: Cross-Sectional Height: 0.410 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN; Center Hole Diameter: 3.523 INCHES MINIMUM AND 3.553 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 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.