The Filler,stuffing Box, cataloged under National Stock Number 4320-01-073-7515, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-073-7515 |
| Primary Part Number | 4VPAM88CX1A |
| Item Name | Filler,stuffing Box |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL BRONZE PER QQ-S-390 ALLOY D4; CONSISTS OF 2 HALVES |
| 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 |
|---|---|
| 4VPAM88CX1A PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 4VPAM88CX1A | 3/9 Design control — primary reference U.S. Government activity |
| PL-11156-F-18 ITEM 88B | 5/9 Secondary reference U.S. Government activity |
| PL-11156-F-18 | 5/9 Secondary reference U.S. Government activity |
| Y-4VPAM88CX1A | 5/9 Secondary reference U.S. Government activity |
NSN 4320-01-073-7515 is a Filler,stuffing Box, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-073-7515 has 1 manufacturer part number on file: 4VPAM88CX1A (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-074-0586, 4320-01-074-4624. Verify interchangeability with system specifications before substitution.
Key specifications for 4VPAM88CX1A: General Characteristics Item Description: MATERIAL BRONZE PER QQ-S-390 ALLOY D4; CONSISTS OF 2 HALVES. 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.