The Packing Nut, cataloged under National Stock Number 4730-00-719-4147, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-719-4147 |
| Primary Part Number | 27402 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Triumph Thermal Systems - Maryland, Inc. |
| Status | ACTIVE |
| Major Unthreaded Outside Diameter | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Screw Thread Location | INTERNAL |
| Style Designator | IRREGULAR |
| Smallest Inside Diameter | 0.989 INCHES MINIMUM AND 0.991 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X |
| Thread Size | 1 1/16-18 |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Length | 0.320 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Screw Thread Series Designator | UNS |
| Thread Pitch Diameters | +1.0260 TO 1.0330 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-719-4147 is a Packing Nut, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-719-4147 has 3 cross-referenced part numbers: 27402 (Triumph Thermal Systems - Maryland, Inc.), 27286-2 (Triumph Thermal Systems - Maryland, Inc.), 27286-2 (Defense & Development Enterprises Llc).
There are 6 known substitutes for 4730-00-719-4147: 5331-00-165-1950, 5330-00-171-7935, 5330-00-769-6523 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 27402: Overall Length: 0.320 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN; Major Unthreaded Outside Diameter: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN; Screw Thread Location: INTERNAL; Style Designator: IRREGULAR. 12 total characteristics are documented in the Federal Logistics Information System.