The O-Ring, cataloged under National Stock Number 5331-01-148-7487, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Porter Seal Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-148-7487 |
| Primary Part Number | 5.400-070 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Porter Seal Co |
| Status | ACTIVE |
| Cross-Sectional Height | 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Center Hole Diameter | 5.340 INCHES MINIMUM AND 5.460 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 |
|---|---|
| 5.400-070 PRIMARY | Porter Seal Co (USA) |
| 966044-15C | Dimension Seal Products (USA) |
| Reference | Meaning |
|---|---|
| 966044-15C | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5331-01-148-7487 is a O-Ring, manufactured by Porter Seal Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-148-7487 has 2 manufacturer part numbers on file: 5.400-070 (Porter Seal Co), 966044-15C (Dimension Seal Products).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-521-4349. Verify interchangeability with system specifications before substitution.
Key specifications for 5.400-070: Cross-Sectional Height: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Center Hole Diameter: 5.340 INCHES MINIMUM AND 5.460 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.