The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-139-5457, is classified within Federal Supply Class 4130 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Research Products Corp. Government technical data includes 2 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-01-139-5457 |
| Primary Part Number | A-21-9527 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — No Item Name Available |
| Manufacturer | Research Products Corp |
| Status | ACTIVE |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Body Overall Length | 18.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4130-01-139-5457 is a Filter Element,air Conditioning, manufactured by Research Products Corp, classified under FSC 4130 (No Item Name Available). Status: active.
NSN 4130-01-139-5457 has 3 cross-referenced part numbers: A-21-9527 (Research Products Corp), 76-977 (Air-Maze Corp Alfco Div), 4170721P1 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems).
There is 1 known substitute for 4130-01-139-5457: 5345-01-345-7237. Verify interchangeability with system specifications before substitution.
Key specifications for A-21-9527: Style Designator: RECTANGULAR (INCL SQUARE); Body Overall Length: 18.000 INCHES NOMINAL IN; Overall Width: 14.000 INCHES NOMINAL IN. 3 total characteristics are documented in the Federal Logistics Information System.