The O-Ring, cataloged under National Stock Number 5331-01-557-7377, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Lombardini U.s.a., Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-557-7377 |
| Primary Part Number | 4350.007 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Lombardini U.s.a., 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 |
|---|---|
| 4350.007 PRIMARY | Lombardini U.s.a., Inc (USA) |
NSN 5331-01-557-7377 is a O-Ring, manufactured by Lombardini U.s.a., Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-557-7377 has 1 manufacturer part number on file: 4350.007 (Lombardini U.s.a., Inc).
Key specifications for 4350.007: Part Name Assigned by Controlling Agency: INAVY ORING; End Item Identification: SUPPORT OF PRE-PROVISIONING ITEMS FOR WHICH NAVICP PHIL ACTS AS POE. 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.