The Cont-Interlock Dwr, cataloged under National Stock Number 4470-01-441-5028, is classified within Federal Supply Class 4470 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4470-01-441-5028 |
| Primary Part Number | 138003 |
| Item Name | Cont-Interlock Dwr |
| FSC / FSG | 4470 / 44 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4470-01-441-5028 is a Cont-Interlock Dwr, manufactured by Lockheed Martin Corp, classified under FSC 4470 (No Item Name Available). Status: active.
NSN 4470-01-441-5028 has 2 cross-referenced part numbers: 138003 (Lockheed Martin Corp), 138003GR1 (Lockheed Martin Corp).
There is 1 known substitute for 4470-01-441-5028: 6685-00-082-1939. Verify interchangeability with system specifications before substitution.
Key specifications for 138003: Special Features: CHANGE INC.; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 3 total characteristics are documented in the Federal Logistics Information System.