The Cylinder Sleeve, cataloged under National Stock Number 4310-01-325-8274, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Control Flow, Inc. Dba Control Flow Inc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4310-01-325-8274 |
| Primary Part Number | D305450 PIECE 84 |
| Item Name | Cylinder Sleeve |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Control Flow, Inc. Dba Control Flow Inc |
| Status | ACTIVE |
| Material | 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 |
|---|---|
| D305450 PIECE 84 PRIMARY | Control Flow, Inc. Dba Control Flow Inc (USA) |
| D105875 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| Reference | Meaning |
|---|---|
| D105875 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
| D305450 | D/9 Drawing number reference only Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
| E108609 FIND 84 | C/1 Advisory reference — outside the item-of-supply concept Control Flow, Inc. Dba Control Flow Inc |
| D305450 PIECE 84 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
NSN 4310-01-325-8274 is a Cylinder Sleeve, manufactured by Control Flow, Inc. Dba Control Flow Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-325-8274 has 2 manufacturer part numbers on file: D305450 PIECE 84 (Control Flow, Inc. Dba Control Flow Inc), D105875 (Control Flow, Inc. Dba Control Flow Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-325-9080, 3040-01-325-9081. Verify interchangeability with system specifications before substitution.
Key specifications for D305450 PIECE 84: End Item Identification: WESTECH GEAR DOUBLE DRUM OUTHAUL WINCH ASSEMBLY D305450; Material: 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.