The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-157-6550, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Majr Products Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4130-01-157-6550 |
| Primary Part Number | 3031-0XXX-57 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Majr Products Corp |
| Status | ACTIVE |
| Filtering Media Design | LAYERED SECOND FILTERING MEDIA RESPONSE |
| Filtering Media Design | EXPANDED FIRST FILTERING MEDIA RESPONSE |
| Body Overall Length | 12.880 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE FILTERING MEDIUM A |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE FRAME A |
| Design Type | REUSABLE |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Material Document and Classification | QQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE FRAME |
| Surface Treatment | CHROMATE FRAME |
| Surface Treatment | CHROMATE FILTERING MEDIUM |
| Material | ALUMINUM ALLOY 6063 FRAME |
| Material | ALUMINUM ALLOY FILTERING MEDIUM |
| 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 |
|---|---|
| 3031-0XXX-57 | Majr Products Corp (USA) |
| Reference | Meaning |
|---|---|
| 978640-3 | 5/9 Secondary reference Raytheon Company Dba Raytheon Co |
| 978640-3 | 7/2 Vendor item drawing reference Raytheon Company Div Corp |
| 06-1502-3497 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division |
| 06-1502-3497 | 3/9 Design control — primary reference Metal Textiles Corporation Dba Metal Textiles Div Electronic Shielding Group |
NSN 4130-01-157-6550 is a Filter Element,air Conditioning, manufactured by Majr Products Corp, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-157-6550 has 1 manufacturer part number on file: 3031-0XXX-57 (Majr Products Corp).
Key specifications for 3031-0XXX-57: Filtering Media Design: LAYERED SECOND FILTERING MEDIA RESPONSE; Filtering Media Design: EXPANDED FIRST FILTERING MEDIA RESPONSE; Body Overall Length: 12.880 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE FILTERING MEDIUM A. 12 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.