The O-Ring, cataloged under National Stock Number 5331-01-577-8557, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Jlg Industries, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-577-8557 |
| Primary Part Number | C541-004-5480 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Jlg Industries, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| C541-004-5480 PRIMARY | Jlg Industries, Inc. (USA) |
| C431-025-5480 | T.rad North America, Inc. (USA) |
| Reference | Meaning |
|---|---|
| C541-004-5480 | 3/9 Design control — primary reference T.rad North America, Inc. |
NSN 5331-01-577-8557 is a O-Ring, manufactured by Jlg Industries, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-577-8557 has 2 manufacturer part numbers on file: C541-004-5480 (Jlg Industries, Inc.), C431-025-5480 (T.rad North America, Inc.).
Key specifications for C541-004-5480: Special Features: NHA - RADIATOR CORE ASSY; End Item Identification: 3930-01-553-6676; TRUCK, LIFT, FORK. 0 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.