The Lining,friction, cataloged under National Stock Number 2030-01-454-4393, is classified within Federal Supply Class 2030 (Deck Machinery) of the Ship and Marine Equipment group. The manufacturer of record is Mayr Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2030-01-454-4393 |
| Primary Part Number | 4000023 |
| Item Name | Lining,friction |
| FSC / FSG | 2030 / 20 — Deck Machinery |
| Manufacturer | Mayr Corporation |
| 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 |
|---|---|
| 4000023 PRIMARY | Mayr Corporation (USA) |
| Reference | Meaning |
|---|---|
| TYPE 135.120 SI | C/1 Advisory reference — outside the item-of-supply concept Mayr Corporation |
| 4006671 | 5/9 Secondary reference Mayr Corporation |
NSN 2030-01-454-4393 is a Lining,friction, manufactured by Mayr Corporation, classified under FSC 2030, Deck Machinery. Status: active.
NSN 2030-01-454-4393 has 1 manufacturer part number on file: 4000023 (Mayr Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-497-6414. Verify interchangeability with system specifications before substitution.
Key specifications for 4000023: End Item Identification: USNS STALWART CLASS TAGOS. 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.