The Tee,tube, cataloged under National Stock Number 4730-01-027-2175, 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 Sps Technologies, Llc Dba Airdrome Precision Components. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-027-2175 |
| Primary Part Number | 4004959 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sps Technologies, Llc Dba Airdrome Precision Components |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) THIRD END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.015 INCHES FIRST END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.015 INCHES THIRD END IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED INTERNAL TUBE THIRD END |
| Material Document and Classification | AMS5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 0.578 INCHES MINIMUM AND 0.598 INCHES MAXIMUM FIRST END IN |
| Leg Length | 0.578 INCHES MINIMUM AND 0.598 INCHES MAXIMUM SECOND END IN |
| Leg Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM THIRD END IN |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 4004959 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| 4004959 | 3/9 Design control — primary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 4004959 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 4730-01-027-2175 is a Tee,tube, manufactured by Sps Technologies, Llc Dba Airdrome Precision Components, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-027-2175 has 1 manufacturer part number on file: 4004959 (Sps Technologies, Llc Dba Airdrome Precision Components).
Key specifications for 4004959: Connection Style: PLAIN (TUBE) THIRD END; Connection Style: PLAIN (TUBE) FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.015 INCHES FIRST END IN; Tubing Wall Nominal Thickness for Which Designed: 0.015 INCHES THIRD END IN. 11 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.