The Nipple,tube, cataloged under National Stock Number 4730-00-756-1049, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Triumph Thermal Systems - Maryland, Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-756-1049 |
| Primary Part Number | 26989 |
| Item Name | Nipple,tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Triumph Thermal Systems - Maryland, Inc. |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY OVERALL |
| Seat Angle | 37.000 DEGREES ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Surface Treatment | ANODIZE OVERALL |
| Nominal Overall Length | 2.109 INCHES IN |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES ALL ENDS IN |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Style Designator | FLARED W/ CENTER WRENCHING FACILITY |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Leg Length | 0.864 INCHES NOMINAL ALL ENDS IN |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Class | 3A ALL ENDS A |
| Thread Series Designator | UN ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 26989 PRIMARY | Triumph Thermal Systems - Maryland, Inc. (USA) |
| D8497-175-5 PRIMARY | Cecom Lr Center (USA) |
| 8497-175-5 PRIMARY | Cecom Lr Center (USA) |
| D8497-175-5 PRIMARY | Hdt Expeditionary Systems Inc (USA) |
| CS4730-0025 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| 8497-175-5 PRIMARY | Chief of Engineers Dept of Army (USA) |
| D8497-175-5 | Keco Industries, Inc. (USA) |
| D8497-175-5 | Drs Environmental Systems Inc (USA) |
NSN 4730-00-756-1049 is a Nipple,tube, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-756-1049 has 8 cross-referenced part numbers: 26989 (Triumph Thermal Systems - Maryland, Inc.), D8497-175-5 (Cecom Lr Center), 8497-175-5 (Cecom Lr Center), D8497-175-5 (Hdt Expeditionary Systems Inc), CS4730-0025 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)) and 3 more.
There are 3 known substitutes for 4730-00-756-1049: 5355-00-850-9799, 4320-01-188-3258, 5330-01-211-9932. Verify interchangeability with system specifications before substitution.
Key specifications for 26989: Material: ALUMINUM ALLOY OVERALL; Seat Angle: 37.000 DEGREES ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Surface Treatment: ANODIZE OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.