The Stage Piece,balance Sleeve, cataloged under National Stock Number 4320-00-300-7604, 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 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-00-300-7604 |
| Primary Part Number | 110517 |
| Item Name | Stage Piece,balance Sleeve |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| General Characteristics Item Description | 4.500 IN. MINOR OD OF BODY 5.499 IN. MAJOR OD OF BODY; 6.188 IN. OD OF FLANGE; 2.750 IN. LG; 3.625 IN. ID; 5 RH GROOVES PER INCH 0.062 IN. W 0.062 IN. DEEP SQUARE CUT ON ID; MATERIAL STEEL 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 |
|---|---|
| 110517 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 110517 | Toolex, Inc Dba Toolex Inc (USA) |
| 3F3664-12 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 3F3664-12 | Toolex, Inc Dba Toolex Inc (USA) |
| Reference | Meaning |
|---|---|
| 3F3664 | D/9 Drawing number reference only Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 3A-10517 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| S5600H3234968PC12 | 5/9 Secondary reference U.S. Government activity |
| S5600H3234968 | D/9 Drawing number reference only U.S. Government activity |
NSN 4320-00-300-7604 is a Stage Piece,balance Sleeve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-300-7604 has 4 manufacturer part numbers on file: 110517 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 110517 (Toolex, Inc Dba Toolex Inc), 3F3664-12 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 3F3664-12 (Toolex, Inc Dba Toolex Inc).
7 possible matches (shared part number, not a government interchangeability claim): 4730-00-300-7608, 4320-00-308-6723, 4320-00-308-6724. Verify interchangeability with system specifications before substitution.
Key specifications for 110517: General Characteristics Item Description: 4.500 IN. MINOR OD OF BODY 5.499 IN. MAJOR OD OF BODY; 6.188 IN. OD OF FLANGE; 2.750 IN. LG; 3.625 IN. ID; 5 RH GROOVES PER INCH 0.062 IN. W 0.062 IN. DEEP SQUARE CUT ON ID; MATERIAL STEEL 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.