The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-406-1874, 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 Gichner Systems Group, Inc. Div C5isr Division. Government technical data includes 8 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-01-406-1874 |
| Primary Part Number | 1339AS670-1 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Gichner Systems Group, Inc. Div C5isr Division |
| Status | ACTIVE |
| Filtering Media Design | LAYERED SECOND FILTERING MEDIA RESPONSE |
| Filtering Media Design | EXPANDED FIRST FILTERING MEDIA RESPONSE |
| Body Overall Length | 24.000 INCHES NOMINAL IN |
| Design Type | REUSABLE |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Material | ALUMINUM FRAME |
| Material | ALUMINUM FILTERING MEDIUM |
| Body Thickness | 1.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1339AS670-1 | Gichner Systems Group, Inc. Div C5isr Division (USA) |
| Reference | Meaning |
|---|---|
| 1339AS670-1 | 5/9 Secondary reference C Systems Llc Dba Craig Systems Dba Eastern Technologies |
| 24X18X1THK | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 1339AS670-1 | 3/9 Design control — primary reference Smith Filter Corporation |
| 1339AS670-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 24X18X1 | 5/9 Secondary reference Smith Filter Corporation |
NSN 4130-01-406-1874 is a Filter Element,air Conditioning, manufactured by Gichner Systems Group, Inc. Div C5isr Division, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-406-1874 has 1 manufacturer part number on file: 1339AS670-1 (Gichner Systems Group, Inc. Div C5isr Division).
Key specifications for 1339AS670-1: Filtering Media Design: LAYERED SECOND FILTERING MEDIA RESPONSE; Filtering Media Design: EXPANDED FIRST FILTERING MEDIA RESPONSE; Body Overall Length: 24.000 INCHES NOMINAL IN; Design Type: REUSABLE. 8 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.