The Ring,electrical Contact Brush Ho, cataloged under National Stock Number 5977-00-665-2831, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-665-2831 |
| Primary Part Number | S791527 |
| Item Name | Ring,electrical Contact Brush Ho |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Shape | RECTANGULAR |
| Mounting Configuration | TWO 1-1/4 IN. LG BY 25/64 IN. W MTG SLOTS PLACED OPPOSITE EA OTHER ON THE OUTSIDE OF A 6-27/32 IN. DIA CIRCLE IN |
| Material | PLASTIC |
| Usage Design | USED TO RETAIN 4 BRUSHHOLDERS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| S791527 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 5D8057ITEM1 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| S791527 | 3/9 Design control — primary reference Westinghouse Electric Corp Power Generation-Generator Div |
| S911D591G03 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| S-791527 | C/1 Advisory reference — outside the item-of-supply concept Westinghouse Electric Corp Control Business Unit |
NSN 5977-00-665-2831 is a Ring,electrical Contact Brush Ho, manufactured by Westinghouse Electric Corp, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-665-2831 has 1 manufacturer part number on file: S791527 (Westinghouse Electric Corp).
Key specifications for S791527: Shape: RECTANGULAR; Overall Length: 8.600 INCHES MINIMUM AND 8.625 INCHES MAXIMUM IN; Overall Width: 8.600 INCHES MINIMUM AND 8.625 INCHES MAXIMUM IN; Special Features: REQUIREMENT NO. 5C INCL THE LG OF HOLDER MTG POSTS WHICH EXTEND 1-11/16 IN. FROM RING,4 RECTANGULAR MTG POSTS SPACED 4 IN. C TO C ON A 5-5/8 IN. DIA CIRCLE IN. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.