The Brush,electrical Contact, cataloged under National Stock Number 5977-00-356-1957, 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 Kearfott Corporation Div Guidance and Navigation Division. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5977-00-356-1957 |
| Primary Part Number | 1-984941-00 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — No Item Name Available |
| Manufacturer | Kearfott Corporation Div Guidance and Navigation Division |
| Status | CANCELLED |
| Body Style | RECTANGULAR |
| Material Document and Classification | SUPERIOR CARBON GRADE BG25 MFR REF SINGLE MATERIAL RESPONSE |
| Top Style | FLAT WITH RECTANGULAR RECESS |
| Length | 0.875 INCHES NOMINAL IN |
| Shunt Insulation Provision and Quantity | 1 INSULATED |
| Style Designator | ONE PIECE |
| Terminal Type and Quantity | 1 STRAIGHT W/SLOT |
| Contact Face Style | CONCAVE |
| Brush Shunt Length | 2.000 INCHES NOMINAL SINGLE SHUNT IN |
| Thickness | 0.308 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Radius | 0.906 INCHES NOMINAL IN |
| Recess Width | 0.219 INCHES NOMINAL IN |
| Shunt Position Designator | 13 |
| Material | CARBON |
| Width | 0.427 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Recess Length | 0.427 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Recess Depth | 0.031 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1-984941-00 PRIMARY | Kearfott Corporation Div Guidance and Navigation Division (USA) |
| 261908B | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| E25 | Carbone of America Corporation Div Superior Carbon Products Division (USA) |
| 261908 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 5977-00-356-1957 is a Brush,electrical Contact, manufactured by Kearfott Corporation Div Guidance and Navigation Division, classified under FSC 5977 (No Item Name Available). Status: cancelled.
NSN 5977-00-356-1957 has 4 cross-referenced part numbers: 1-984941-00 (Kearfott Corporation Div Guidance and Navigation Division), 261908B (Lockheed Martin Corporation Div Rms - Mitchel Field), E25 (Carbone of America Corporation Div Superior Carbon Products Division), 261908 (Lockheed Martin Corporation Div Rms - Mitchel Field).
There are 11 known substitutes for 5977-00-356-1957: 3110-00-100-8544, 6610-00-132-1358, 1730-00-240-8499 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1-984941-00: Body Style: RECTANGULAR; Material Document and Classification: SUPERIOR CARBON GRADE BG25 MFR REF SINGLE MATERIAL RESPONSE; Top Style: FLAT WITH RECTANGULAR RECESS; Length: 0.875 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5977-00-356-1957 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.