The Liner,shaft Support, cataloged under National Stock Number 3040-01-422-2298, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-422-2298 |
| Item Name | Liner,shaft Support |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Overall Diameter | 18.990 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 |
| Reference | Meaning |
|---|---|
| 3D73355-001 | 3/2 Design control — primary reference U.S. Government activity |
| 1135E48 | D/9 Drawing number reference only U.S. Government activity |
| 3D73355-001 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 1135E48 FIND 26 | 5/2 Secondary reference U.S. Government activity |
| 3D73355 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-422-2298 is a Liner,shaft Support, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-422-7775. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-422-2298: Overall Diameter: 18.990 INCHES NOMINAL IN; Special Features: ID IS 13.748IN., 3IN. THICK; ITEM HAS TEN 0.500-13 UNC-2B THREADED HOLES 1.38" DEEP AROUND ITS CIRCUMFERENCE ON THE CENTER LINE OF THE THICKNESS; ITEM IS COMPOSED OF TWO HALVES; IT IS PART OF BEARING REMOVAL EQUIPMENT AND IS USED TO TEMPORARILY SUPPORT THE SHAFT WHEN BEARINGS ARE REMOVED IN; Part Name Assigned by Controlling Agency: LINER; End Item Identification: WEAPONS SYSTEM JGN, SEAWOLF CLASS SSN. 1 specification is 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.