The Manifold, cataloged under National Stock Number 4320-01-151-3891, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is The Entwistle Company Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-151-3891 |
| Primary Part Number | KT-3225-6 |
| Item Name | Manifold |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL |
| 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 |
|---|---|
| KT-3225-1 ITEM 1 | The Entwistle Company Llc (USA) |
| KT-3225-6 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| KT-3225-1 ITEM 1 | 5/9 Secondary reference Entwistle Co the Kenett Hydraulic Systems Div |
| KT-3225-6 | 3/9 Design control — primary reference Entwistle Co the Kenett Hydraulic Systems Div |
| KT-3225-1 | D/9 Drawing number reference only Entwistle Co the Kenett Hydraulic Systems Div |
NSN 4320-01-151-3891 is a Manifold, manufactured by The Entwistle Company Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-151-3891 has 2 manufacturer part numbers on file: KT-3225-1 ITEM 1 (The Entwistle Company Llc), KT-3225-6 (The Entwistle Company Llc).
3 possible matches (shared part number, not a government interchangeability claim): 4320-01-151-3892, 4820-01-151-5605, 4320-01-151-5648. Verify interchangeability with system specifications before substitution.
Key specifications for KT-3225-6: General Characteristics Item Description: STAINLESS STEEL. 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.