The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-00-927-0216, is classified within Federal Supply Class 5977 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3harris Technologies, Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-927-0216 |
| Primary Part Number | 21006 |
| Item Name | Ring Assembly,electrical Contact |
| FSC / FSG | 5977 / 59 — No Item Name Available |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Contact Ring Quantity | 20 |
| Diameter | 6.500 INCHES NOMINAL IN |
| FSC Application Data | PANORAMIC DATA MONITORING SET,COUNTER MEASURES |
| Brush Holder Quantity | 1 |
| Reference Number Differentiating Characteristics | CONTACT RINGS ARE GROOVED AND RHODIUM FLASHED WHICH DIFFERENTIATES THIS ITEM FROM 7SA20Z |
| Width | 0.090 INCHES NOMINAL IN |
| Overall Diameter | 8.625 INCHES NOMINAL IN |
| Brush Quantity Accommodated Per Holder | 40 |
| Brush Quantity | 40 |
| Mounting Configuration | THREE GROUPS OF FOUR NO. 10/0.190 IN./-24 THD MTG HOLES ON 1.620 IN. BY 1.188 IN. MTG CENTERS IN |
| Surface Treatment | SILVER RING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5977-00-927-0216 is a Ring Assembly,electrical Contact, manufactured by L3harris Technologies, Inc., classified under FSC 5977 (No Item Name Available). Status: active.
NSN 5977-00-927-0216 has 2 cross-referenced part numbers: 21006 (L3harris Technologies, Inc.), 7SA20ZB (Electro Switch Corp. Dba Electro Switch Corp).
There are 12 known substitutes for 5977-00-927-0216: 5330-00-086-7298, 5945-00-088-2524, 6145-00-192-1643 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21006: Contact Ring Quantity: 20; Diameter: 6.500 INCHES NOMINAL IN; FSC Application Data: PANORAMIC DATA MONITORING SET,COUNTER MEASURES; Brush Holder Quantity: 1. 12 total characteristics are documented in the Federal Logistics Information System.