The Contact,electrical, cataloged under National Stock Number 5999-00-368-1053, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Eaton Corp Opns & Technical Center. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-00-368-1053 |
| Primary Part Number | 21-255 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — No Item Name Available |
| Manufacturer | Eaton Corp Opns & Technical Center |
| Status | ACTIVE |
| Surface Treatment | SILVER BODY AND CONTACT |
| Material | COPPER ALLOY BODY AND CONTACT |
| Precious Material and Weight | 0.005 SILVER GRAINS, TROY |
| Style Designator | IRREGULAR SHAPE |
| Precious Material and Location | BODY AND CONTACT SURFACES SILVER |
| Precious Material | SILVER |
| Terminal Type and Quantity | 1 THREADED HOLE AXIALLY AT ONE END |
| Mounting Facility Quantity | 1 |
| Unthreaded Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Surface Treatment | SILVER BODY AND CONTACT |
| Material | COPPER ALLOY BODY AND CONTACT |
| Precious Material and Weight | 0.005 SILVER GRAINS, TROY |
| Style Designator | IRREGULAR SHAPE |
| Precious Material and Location | BODY AND CONTACT SURFACES SILVER |
| Precious Material | SILVER |
| Terminal Type and Quantity | 1 THREADED HOLE AXIALLY AT ONE END |
| Mounting Facility Quantity | 1 |
| Unthreaded Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | J |
| Weight | 0.0200 lbs |
| Cube | 0.0100 cu ft |
| Part Number | Manufacturer |
|---|---|
| 21-255 PRIMARY | Eaton Corp Opns & Technical Center (USA) |
| 21-255 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| M427770-16 | Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA) |
NSN 5999-00-368-1053 is a Contact,electrical, manufactured by Eaton Corp Opns & Technical Center, classified under FSC 5999 (No Item Name Available). Status: active.
NSN 5999-00-368-1053 has 3 cross-referenced part numbers: 21-255 (Eaton Corp Opns & Technical Center), 21-255 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), M427770-16 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin).
There are 6 known substitutes for 5999-00-368-1053: 5110-00-199-7287, 6240-00-583-9609, 2990-00-846-0732 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21-255: Overall Length: 0.844 INCHES NOMINAL IN; Surface Treatment: SILVER BODY AND CONTACT; Material: COPPER ALLOY BODY AND CONTACT; Precious Material and Weight: 0.005 SILVER GRAINS, TROY. 28 total characteristics are documented in the Federal Logistics Information System.