The Tee,tube, cataloged under National Stock Number 4730-00-307-8036, 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 30 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-307-8036 |
| Primary Part Number | 21F184D4-4-4 |
| 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 |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARELESS (TUBE) THIRD ENDFLARELESS (TUBE) THIRD END |
| Connection Style | FLARELESS (TUBE) SECOND ENDFLARELESS (TUBE) SECOND END |
| Connection Style | SWIVEL NUT W/ LOOSE OR INTEGRAL CLINCH SLEEVE (TUBE) FIRST ENDSWIVEL NUT W/ LOOSE OR INTEGRAL CLINCH SLEEVE (TUBE) FIRST END |
| Connection Type | THREADED INTERNAL TUBE FIRST ENDTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE THIRD ENDTHREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE SECOND ENDTHREADED EXTERNAL TUBE SECOND END |
| Material Document and Classification | QQ-A-367,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END0.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES THIRD END0.250 INCHES SECOND END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 0.961 INCHES NOMINAL SECOND END0.961 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.961 INCHES NOMINAL THIRD END0.961 INCHES NOMINAL THIRD END IN |
| Leg Length | 1.360 INCHES NOMINAL FIRST END1.360 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END0.438 INCHES FIRST END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES THIRD END0.438 INCHES THIRD END IN |
| Seat Angle | 12.0 DEGREES THIRD END |
| Seat Angle | 12.0 DEGREES SECOND END12.0 DEGREES FIRST END |
| Seat Angle | 12.0 DEGREES THIRD END12.0 DEGREES SECOND END |
| Maximum Operating Temp | 135.0 FAHRENHEIT SINGLE RESPONSE135.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | ANODIZE OVERALL |
| Media for Which Designed | AERONAUTICAL FLUID SINGLE RESPONSE |
| Thread Class | 3A SECOND END3A SECOND END A |
| Thread Class | 3A THIRD END3A THIRD END A |
| Thread Class | 3B FIRST END3B FIRST END |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) THIRD END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) THIRD ENDUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| 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 |
|---|---|
| 21F184D4-4-4 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| 21F184D4-4-4 | Northrop Grumman Systems Corporation (USA) |
| 21F184D4-4-4 PRIMARY | Precision Form Rivet Inc (USA) |
| Reference | Meaning |
|---|---|
| 21F184D4-4-4 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 21F184D4-4-4 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| 21F184D4-4-4 | 5/9 Secondary reference Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
NSN 4730-00-307-8036 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 4730-00-307-8036 has 3 manufacturer part numbers on file: 21F184D4-4-4 (Sps Technologies, Llc Dba Airdrome Precision Components), 21F184D4-4-4 (Northrop Grumman Systems Corporation), 21F184D4-4-4 (Precision Form Rivet Inc).
Key specifications for 21F184D4-4-4: Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARELESS (TUBE) THIRD ENDFLARELESS (TUBE) THIRD END; Connection Style: FLARELESS (TUBE) SECOND ENDFLARELESS (TUBE) SECOND END; Connection Style: SWIVEL NUT W/ LOOSE OR INTEGRAL CLINCH SLEEVE (TUBE) FIRST ENDSWIVEL NUT W/ LOOSE OR INTEGRAL CLINCH SLEEVE (TUBE) FIRST END. 30 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.