The Cup,air Cylinder, cataloged under National Stock Number 3815-00-404-3028, is classified within Federal Supply Class 3815 (Crane and Crane-shovel Attachments) of the Construction, Mining, Excavating Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3815-00-404-3028 |
| Item Name | Cup,air Cylinder |
| FSC / FSG | 3815 / 38 — Crane and Crane-shovel Attachments |
| Status | ACTIVE |
| General Characteristics Item Description | SYNTHETIC RUBBER,2.562 IN. OD,2.375 IN. @ID,1.250 @IN. DIA HOLE,0.312 IN. HIGH 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 |
|---|---|
| P5121 | 3/9 Design control — primary reference Bosch Rexroth Corporation Div Bosch Rexroth |
| 29014737 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 3815-00-404-3028 is a Cup,air Cylinder, classified under FSC 3815, Crane and Crane-shovel Attachments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-00-854-0750. Verify interchangeability with system specifications before substitution.
Key specifications for 3815-00-404-3028: General Characteristics Item Description: SYNTHETIC RUBBER,2.562 IN. OD,2.375 IN. @ID,1.250 @IN. DIA HOLE,0.312 IN. HIGH IN. 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.