The Cap,adapter Outboard, cataloged under National Stock Number 4320-01-191-8540, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Marvin Engineering Co, Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-191-8540 |
| Primary Part Number | 803-5293014 PIECE 15 |
| Item Name | Cap,adapter Outboard |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Marvin Engineering Co, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | GUN METAL OVERALL; 4.110 INCH MINIMUM TO 4.125 INCH MAXIMUM OUTSIDE DIAMETER; FIRST RECESS INSIDE HEIGHT 0.529 INCH MINIMUM TO 0.559 INCH MAXIMUM; FLANGE THICKNESS 0.157 INCH MINIMUM TO 0.167 INCH MAXIMUM; 2.860 INCH MINIMUM TO 2.890 INCH MAXIMUM FIRST RECESS DIAMETER; 3.143 INCH MINIMUM TO 3.145 INCH MAXIMUM SECOND RECESS DIAMETER; 1.531 INCH TO 1.536 INCH HOLE DIAMETER; SIX 0.322 INCH TO 0.332 INCH DIAMETER HOLES EQUALLY SPACED,COUNTER SUNK FAR SIDE 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 |
|---|---|
| 803-5293014 PIECE 15 PRIMARY | Marvin Engineering Co, Inc (USA) |
| Reference | Meaning |
|---|---|
| 803-5293014 PIECE 15 | 5/9 Secondary reference Speco Inc |
| 803-5293014 | D/9 Drawing number reference only Naval Sea Systems Command |
| 803-5293014 PIECE 15 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 4320-01-191-8540 is a Cap,adapter Outboard, manufactured by Marvin Engineering Co, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-191-8540 has 1 manufacturer part number on file: 803-5293014 PIECE 15 (Marvin Engineering Co, Inc).
Key specifications for 803-5293014 PIECE 15: General Characteristics Item Description: GUN METAL OVERALL; 4.110 INCH MINIMUM TO 4.125 INCH MAXIMUM OUTSIDE DIAMETER; FIRST RECESS INSIDE HEIGHT 0.529 INCH MINIMUM TO 0.559 INCH MAXIMUM; FLANGE THICKNESS 0.157 INCH MINIMUM TO 0.167 INCH MAXIMUM; 2.860 INCH MINIMUM TO 2.890 INCH MAXIMUM FIRST RECESS DIAMETER; 3.143 INCH MINIMUM TO 3.145 INCH MAXIMUM SECOND RECESS DIAMETER; 1.531 INCH TO 1.536 INCH HOLE DIAMETER; SIX 0.322 INCH TO 0.332 INCH DIAMETER HOLES EQUALLY SPACED,COUNTER SUNK FAR SIDE 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.