The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-537-2813, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-537-2813 |
| Primary Part Number | 801-6640965 ASSY 263A |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| 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 |
|---|---|
| 801-6640965 ASSY 263A PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 521-7385129-F6 | 5/1 Secondary reference Naval Sea Systems Command |
| 2633-100-01 ASSY 263A | 5/2 Secondary reference U.S. Government activity |
| G651-3921-F6 | 5/1 Secondary reference U.S. Government activity |
| G651-0301-F6 | 5/1 Secondary reference U.S. Government activity |
| 521-7385494-F6 | 5/1 Secondary reference Naval Sea Systems Command |
| 521-7385128-F6 | 5/1 Secondary reference Naval Sea Systems Command |
| G651-3911-F6 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-537-2813 is a Adapter,straight,tube to Boss, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-537-2813 has 1 manufacturer part number on file: 801-6640965 ASSY 263A (Naval Sea Systems Command).
Key specifications for 801-6640965 ASSY 263A: End Item Identification: SSGN FIRE FIGHTING SYSTEM 5210. 0 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.