The O-Ring, cataloged under National Stock Number 5331-01-429-2999, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is S a I Hydraulics Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-429-2999 |
| Primary Part Number | 0010012040 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | S a I Hydraulics Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.103 INCHES NOMINAL IN |
| Center Hole Diameter | 2.550 INCHES NOMINAL 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 |
|---|---|
| 0010012040 PRIMARY | S a I Hydraulics Inc (USA) |
| Reference | Meaning |
|---|---|
| 0010012040 | 3/9 Design control — primary reference Sai Hydraulics Inc |
| SE021C PC 34 | 5/9 Secondary reference Sai Hydraulics Inc |
NSN 5331-01-429-2999 is a O-Ring, manufactured by S a I Hydraulics Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-429-2999 has 1 manufacturer part number on file: 0010012040 (S a I Hydraulics Inc).
Key specifications for 0010012040: Cross-Sectional Height: 0.103 INCHES NOMINAL IN; Center Hole Diameter: 2.550 INCHES NOMINAL 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.