The Cap,pipe, cataloged under National Stock Number 4730-01-230-3686, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-230-3686 |
| Primary Part Number | 505-5530814 F-172 |
| Item Name | Cap,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Nominal Pipe Size for Which Designed | 2.500 INCHES IN |
| Connection Style | BEADED |
| Style Designator | CAP, PIPE |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 2415688 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 505-5530814 F-172 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 505-5530814 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 4730-01-230-3686 is a Cap,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-230-3686 has 2 manufacturer part numbers on file: 2415688 (Huntington Ingalls Inc Div Newport News Shipbuilding), 505-5530814 F-172 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-230-5567. Verify interchangeability with system specifications before substitution.
Key specifications for 505-5530814 F-172: Nominal Pipe Size for Which Designed: 2.500 INCHES IN; Connection Style: BEADED; Style Designator: CAP, PIPE; Material: COPPER ALLOY OVERALL. 4 specifications are 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.