The Nipple,tube, cataloged under National Stock Number 4730-00-421-3209, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 14 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through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-421-3209 |
| Primary Part Number | 8LHTXB |
| Item Name | Nipple,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 TUBE COUPLING NUT W/SLEEVE |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Nominal Overall Length | 1.620 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | FLARED W/ CENTER WRENCHING FACILITY |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Specification/standard Data | 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2C FIGURE |
| Thread Class | 2A ALL ENDS A |
| Material | COPPER ALLOY 377 OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 8LHTXB PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 2027-8-8B PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| 502-1452 | Cummins Power Generation Inc. (USA) |
| SAE J514/1 8-8 070119BA PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 8-8 070119BA | 3/9 Design control — primary reference U.S. Government activity |
| SAE J514 8-8 070119BA | 5/9 Secondary reference Sae International Dba Sae International |
| 8LHTXB | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| SAE-J514/1 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 2666502-6 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 347C155H07 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| J514 | 5/1 Secondary reference Sae International Dba Sae International |
| J514 | 5/9 Secondary reference U.S. Government activity |
| 8-8 070119BA | 5/9 Secondary reference Sae International Dba Sae International |
| 8LHTXB | 5/9 Secondary reference U.S. Government activity |
| 842HFB08 | 5/9 Secondary reference Imperial |
| SAE-J514 | 5/9 Secondary reference Sae International Dba Sae International |
NSN 4730-00-421-3209 is a Nipple,tube, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-421-3209 has 4 manufacturer part numbers on file: 8LHTXB (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 2027-8-8B (Danfoss Power Solutions II, Llc), 502-1452 (Cummins Power Generation Inc.), SAE J514/1 8-8 070119BA (Sae International Dba Sae International).
Key specifications for 8LHTXB: Furnished Items and Quantity: 2 TUBE COUPLING NUT W/SLEEVE; Connection Style: FLARED (TUBE) ALL ENDS; Nominal Overall Length: 1.620 INCHES IN; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 14 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.