The Tee,tube, cataloged under National Stock Number 4730-01-248-3851, 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 Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-248-3851 |
| Primary Part Number | DNR0049V202016 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| Status | ACTIVE |
| Surface Treatment Document and Classification | DMPS1009 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | SWAGED W/ GROOVES (TUBE) SECOND END |
| Connection Style | CRIMPED (TUBE) FIRST END |
| Connection Style | SWAGED W/ GROOVES (TUBE) THIRD END |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Material Document and Classification | AMS4921 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES SECOND END IN |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 2.590 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.590 INCHES NOMINAL SECOND END IN |
| Leg Length | 2.530 INCHES NOMINAL THIRD END IN |
| Surface Treatment | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Material | TITANIUM ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DNR0049V202016 PRIMARY | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| LE273-0088-1886 | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| DNR0049 | D/9 Drawing number reference only Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
NSN 4730-01-248-3851 is a Tee,tube, manufactured by Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-248-3851 has 2 manufacturer part numbers on file: DNR0049V202016 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), LE273-0088-1886 (The Boeing Company Div Legacy Am&m).
7 possible matches (shared part number, not a government interchangeability claim): 4730-01-250-1787, 4730-01-250-1788, 4730-01-259-7260. Verify interchangeability with system specifications before substitution.
Key specifications for DNR0049V202016: Surface Treatment Document and Classification: DMPS1009 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Connection Style: SWAGED W/ GROOVES (TUBE) SECOND END; Connection Style: CRIMPED (TUBE) FIRST END; Connection Style: SWAGED W/ GROOVES (TUBE) THIRD 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 4730-01-248-3851 has DEMIL Code Q. 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.