The Head Assy,cylinder, cataloged under National Stock Number 4130-01-571-5566, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Manchester Tank and Equipment Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4130-01-571-5566 |
| Primary Part Number | H33661 |
| Item Name | Head Assy,cylinder |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Manchester Tank and Equipment Co |
| Status | ACTIVE |
| Overall Diameter | 30.000 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 |
|---|---|
| H33661 PRIMARY | Manchester Tank and Equipment Co (USA) |
| Reference | Meaning |
|---|---|
| 14398.3 | D/9 Drawing number reference only Manchester Tank and Equipment Co |
NSN 4130-01-571-5566 is a Head Assy,cylinder, manufactured by Manchester Tank and Equipment Co, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-571-5566 has 1 manufacturer part number on file: H33661 (Manchester Tank and Equipment Co).
2 possible matches (shared part number, not a government interchangeability claim): 4130-01-571-5586, 7690-01-571-5614. Verify interchangeability with system specifications before substitution.
Key specifications for H33661: Overall Diameter: 30.000 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: HEAD,DOT; End Item Identification: 4130-01-571-4993. 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.