The Filtering Disk,fluid, cataloged under National Stock Number 1660-00-377-1372, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Kysor Industrial Corp. Government technical data includes 7 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-377-1372 |
| Primary Part Number | B1238 |
| Item Name | Filtering Disk,fluid |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Kysor Industrial Corp |
| Status | ACTIVE |
| Filtering Media Design | MATTED SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 1.860 INCHES NOMINAL IN |
| Design Type | NONREUSABLE |
| Style Designator | ROUND (BASICALLY FLAT) |
| Media for Which Designed | ANY ACCEPTABLE |
| Material | WOOL FILTERING MEDIUM |
| Body Thickness | 0.525 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 |
|---|---|
| B1238 PRIMARY | Kysor Industrial Corp (USA) |
NSN 1660-00-377-1372 is a Filtering Disk,fluid, manufactured by Kysor Industrial Corp, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-377-1372 has 1 manufacturer part number on file: B1238 (Kysor Industrial Corp).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-280-0071, 7025-01-550-5027. Verify interchangeability with system specifications before substitution.
Key specifications for B1238: Filtering Media Design: MATTED SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 1.860 INCHES NOMINAL IN; Design Type: NONREUSABLE; Style Designator: ROUND (BASICALLY FLAT). 7 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.