The Damper,water Pulsation, cataloged under National Stock Number 4610-01-417-0158, is classified within Federal Supply Class 4610 (Water Purification Equipment) of the Water Purification and Sewage Treatment group. The manufacturer of record is Oil States Industries, Inc. Div Special Products Div. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4610-01-417-0158 |
| Primary Part Number | ND8281 |
| Item Name | Damper,water Pulsation |
| FSC / FSG | 4610 / 46 — Water Purification Equipment |
| Manufacturer | Oil States Industries, Inc. Div Special Products Div |
| Status | ACTIVE |
| Overall Diameter | 6.125 INCHES NOMINAL IN |
| General Characteristics Item Description | 1 1/2IN. FILTER FLEXHOSE FILTER; CU/NI MIL-C-24679 C71500 FORGING; OP. TEMP 160.0DEG.F IN |
| Functional Description | USED TO FILTER NOISE FROM WATER PULSATIONS |
| Material | COPPER AND NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4610-01-417-0158 is a Damper,water Pulsation, manufactured by Oil States Industries, Inc. Div Special Products Div, classified under FSC 4610, Water Purification Equipment. Status: active.
NSN 4610-01-417-0158 has 2 manufacturer part numbers on file: 211035056 (Naval Sea Systems Command), ND8281 (Oil States Industries, Inc. Div Special Products Div).
1 possible match (shared part number, not a government interchangeability claim): 4610-01-417-0160. Verify interchangeability with system specifications before substitution.
Key specifications for ND8281: Overall Diameter: 6.125 INCHES NOMINAL IN; General Characteristics Item Description: 1 1/2IN. FILTER FLEXHOSE FILTER; CU/NI MIL-C-24679 C71500 FORGING; OP. TEMP 160.0DEG.F IN; Overall Length: 5.500 INCHES NOMINAL IN; Special Features: E/I AUXILLARY DRAIN SYSTEM. 4 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.