The Tee,tube, cataloged under National Stock Number 4730-01-337-7181, 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 26 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-337-7181 |
| Primary Part Number | 7M151J5L |
| 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 |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Connection Style | FLARED (TUBE) THIRD END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES SECOND END IN |
| Leg Length | 0.953 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.670 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.953 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES THIRD END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES THIRD END |
| Seat Angle | 37.0 DEGREES SECOND END |
| Thread Class | 3A SECOND END A |
| Thread Class | 3A THIRD END A |
| Thread Class | 3B FIRST END |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) THIRD END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND 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 |
|---|---|
| 7M151J5L PRIMARY | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| 7M151J5L | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| 7M151J5L | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| 7M151J5L | Nelson Aero Space, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7M151 | D/9 Drawing number reference only Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| 7M151J5L | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
| 7M151J5L | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 4730-01-337-7181 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 4730-01-337-7181 has 4 manufacturer part numbers on file: 7M151J5L (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), 7M151J5L (Sps Technologies, Llc Dba Airdrome Precision Components), 7M151J5L (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply), 7M151J5L (Nelson Aero Space, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-337-7182, 4730-01-338-2117. Verify interchangeability with system specifications before substitution.
Key specifications for 7M151J5L: Connection Style: FLARED (TUBE) SECOND END; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END; Connection Style: FLARED (TUBE) THIRD END; Connection Type: THREADED EXTERNAL TUBE THIRD END. 26 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.