The Pad,cushioning, cataloged under National Stock Number 2590-01-495-6964, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2590-01-495-6964 |
| Primary Part Number | 56-15-3000 |
| Item Name | Pad,cushioning |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Diameter | 2.250 INCHES NOMINAL IN |
| Material | RUBBER CUSHIONING |
| Thickness | 0.328 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 |
| Part Number | Manufacturer |
|---|---|
| 56-15-3000 PRIMARY | Naval Sea Systems Command (USA) |
| 6984456 PART 4 | Naval Sea Systems Command (USA) |
| 6984456 PART 8 | Naval Sea Systems Command (USA) |
| 180-6984456 PART 8 | Naval Sea Systems Command (USA) |
| 180-6984456 PART 4 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H4132605A-8 | 5/2 Secondary reference U.S. Government activity |
| H413-2605 PART 8 | 5/9 Secondary reference U.S. Government activity |
| H413-2605 PART 4 | 5/9 Secondary reference U.S. Government activity |
| H4132605A-4 | 5/2 Secondary reference U.S. Government activity |
NSN 2590-01-495-6964 is a Pad,cushioning, manufactured by Naval Sea Systems Command, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-495-6964 has 5 manufacturer part numbers on file: 56-15-3000 (Naval Sea Systems Command), 6984456 PART 4 (Naval Sea Systems Command), 6984456 PART 8 (Naval Sea Systems Command), 180-6984456 PART 8 (Naval Sea Systems Command), 180-6984456 PART 4 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-665-7454. Verify interchangeability with system specifications before substitution.
Key specifications for 56-15-3000: Diameter: 2.250 INCHES NOMINAL IN; Special Features: PAD HAS OVERALL DIAMETER OF 2.250 INCHES WITH 1.250 CENTERED HOLE. MATERIAL IAW MIL-D-24709 TYPE 4-50-21/64 (MOD) FOR DISTRIBUTED ISOLATION MATERIAL.NINE NEEDED FOR EACH A/C PURGE UNIT, THREE FOR EACH MOUNTING BOLT. IN; Material: RUBBER CUSHIONING; Thickness: 0.328 INCHES NOMINAL IN. 3 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.