The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-284-6321, 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 General Dynamics Mission Systems, Inc. Dba Gdms. Government technical data includes 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-284-6321 |
| Primary Part Number | 309A252 |
| Item Name | Holder,electrical Contact Brush |
| FSC / FSG | 5977 / 59 — No Item Name Available |
| Manufacturer | General Dynamics Mission Systems, Inc. Dba Gdms |
| Status | ACTIVE |
| Thread Size and Series/type Designator | 0.625-27 UNS |
| Top Thread Location | EXTERNAL |
| Inside Length | 1.125 INCHES NOMINAL IN |
| Brush Pressure Spring Type Accommodated | HELICAL TORSION |
| Inside Thickness | 0.438 INCHES NOMINAL IN |
| Mounting Facility Quantity | 1 |
| Mounting Facility | SETSCREW |
| Brush Spring Adjustability | NONADJUSTABLE |
| Thread Length | 0.203 INCHES NOMINAL IN |
| Terminal Type | SOLDER LUG |
| Inside Width | 0.250 INCHES NOMINAL IN |
| Overall Thickness | 1.562 INCHES NOMINAL IN |
| Terminal Quantity | 1 |
| Material | COPPER ALLOY BOX |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5977-00-284-6321 is a Holder,electrical Contact Brush, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 5977 (No Item Name Available). Status: active.
NSN 5977-00-284-6321 has 3 cross-referenced part numbers: A7013 (Zenith Radio Corp of Iowa), 309A252 (Motorola Inc. Dba Integrated Information Systems Group), 309A252 (General Dynamics Mission Systems, Inc. Dba Gdms).
There are 2 known substitutes for 5977-00-284-6321: 5340-00-285-6498, 4820-01-240-1060. Verify interchangeability with system specifications before substitution.
Key specifications for 309A252: Thread Size and Series/type Designator: 0.625-27 UNS; Top Thread Location: EXTERNAL; Inside Length: 1.125 INCHES NOMINAL IN; Brush Pressure Spring Type Accommodated: HELICAL TORSION. 16 total characteristics are documented in the Federal Logistics Information System.