The Center Stage,pump, cataloged under National Stock Number 4320-01-124-0312, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-124-0312 |
| Primary Part Number | 121273 |
| Item Name | Center Stage,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; 0.063 IN. W; 0.031 IN. DEED; 1.500 IN. RH GROOVES; 5.125 IN. OD; 3.375 IN. ID; 2.438 IN. O/A W; SPLIT PIECE 0.375 IN. X 0.125 IN.; 0.015 IN. 45 DEG CHAMFER; 0.370 IN. THK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4320-01-124-0312 is a Center Stage,pump, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-124-0312 has 2 manufacturer part numbers on file: 121273 (Toolex, Inc Dba Toolex Inc), 121273 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-248-5933. Verify interchangeability with system specifications before substitution.
Key specifications for 121273: General Characteristics Item Description: STEEL; 0.063 IN. W; 0.031 IN. DEED; 1.500 IN. RH GROOVES; 5.125 IN. OD; 3.375 IN. ID; 2.438 IN. O/A W; SPLIT PIECE 0.375 IN. X 0.125 IN.; 0.015 IN. 45 DEG CHAMFER; 0.370 IN. THK IN. 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.