The O-Ring, cataloged under National Stock Number 5331-00-285-9873, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bausch & Lomb Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-285-9873 |
| Primary Part Number | 31149-1731 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bausch & Lomb Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.062 INCHES NOMINAL 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 |
|---|---|
| 31149-1731 PRIMARY | Bausch & Lomb Inc (USA) |
| 31149-1700PC1731 PRIMARY | Bausch & Lomb Inc (USA) |
| Reference | Meaning |
|---|---|
| AMS3229G | 5/9 Secondary reference U.S. Government activity |
| 2409-965511BPC1731 | 3/2 Design control — primary reference U.S. Government activity |
| HN43PC108 | 5/9 Secondary reference Hale Products, Inc. |
| AMS3229G | 3/1 Design control — primary reference Sae International Dba Sae International |
| 2409-965511ALTDPC1731 | 3/2 Design control — primary reference U.S. Government activity |
| PD5330-231-34 | 5/9 Secondary reference U.S. Government activity |
| HN40PC108 | 5/9 Secondary reference Hale Products, Inc. |
| 12P750 | 5/9 Secondary reference Hale Products, Inc. |
| HN39PC108 | 5/9 Secondary reference Hale Products, Inc. |
NSN 5331-00-285-9873 is a O-Ring, manufactured by Bausch & Lomb Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-285-9873 has 2 manufacturer part numbers on file: 31149-1731 (Bausch & Lomb Inc), 31149-1700PC1731 (Bausch & Lomb Inc).
Key specifications for 31149-1731: Cross-Sectional Height: 0.062 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.