The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-373-0102, 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 Raytheon Company Div Rmd Strategic. Government technical data includes 15 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-373-0102 |
| Primary Part Number | 6509887 |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Recess Nominal Depth | 0.062 INCHES SECOND END IN |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flange Face Design | RECESSED STRAIGHT SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Length | 2.500 INCHES SECOND END IN |
| Nominal Overall Length | 1.337 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Bolt Hole Nominal Diameter | 0.312 INCHES SECOND END IN |
| Nominal Thread Size | 1.500 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Nominal Width | 2.500 INCHES SECOND END IN |
| Material | STEEL COMP 1018 OR STEEL COMP 1020 OVERALL |
| Thread Series Designator | NPT FIRST END |
| Nominal Thickness | 0.337 INCHES SECOND END IN |
| Recess Nominal Diameter | 2.093 INCHES SECOND END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6509887 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| 225201 | 5/9 Secondary reference Rochester Sensors, Llc |
| 6509887 | 7/1 Vendor item drawing reference Naval Sea Systems Command |
NSN 4730-01-373-0102 is a Adapter,straight,flange to Pipe, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-373-0102 has 1 manufacturer part number on file: 6509887 (Raytheon Company Div Rmd Strategic).
4 possible matches (shared part number, not a government interchangeability claim): 6640-01-623-7447, 6515-01-652-8533, 6120-01-694-9773. Verify interchangeability with system specifications before substitution.
Key specifications for 6509887: Recess Nominal Depth: 0.062 INCHES SECOND END IN; Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flange Face Design: RECESSED STRAIGHT SECOND END; Connection Style: PLAIN (PIPE) FIRST END. 15 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.
NSN 4730-01-373-0102 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.