The Filter Element,intake Air Cleane, cataloged under National Stock Number 4310-01-321-1188, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Donaldson Company, Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-321-1188 |
| Primary Part Number | TBD18-0013 |
| Item Name | Filter Element,intake Air Cleane |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Donaldson Company, Inc. |
| Status | ACTIVE |
| Maximum Air Flow Rate | 1500.0 CUBIC FEET PER MINUTE |
| Body Outside Diameter | 12.550 INCHES MINIMUM AND 12.590 INCHES MAXIMUM IN |
| Style Designator | INLINE DISPOSAL W/THREADED CONNECTIONS AND VAPOR DIVERTER |
| Body Length | 31.030 INCHES MINIMUM AND 31.090 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY CONTAINER/CARTRIDGE |
| 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 |
|---|---|
| TBD18-0013 PRIMARY | Donaldson Company, Inc. (USA) |
| 169803 | Rtx Corporation Div Pratt & Whitney (USA) |
NSN 4310-01-321-1188 is a Filter Element,intake Air Cleane, manufactured by Donaldson Company, Inc., classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-321-1188 has 2 manufacturer part numbers on file: TBD18-0013 (Donaldson Company, Inc.), 169803 (Rtx Corporation Div Pratt & Whitney).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-473-8647. Verify interchangeability with system specifications before substitution.
Key specifications for TBD18-0013: Maximum Air Flow Rate: 1500.0 CUBIC FEET PER MINUTE; Body Outside Diameter: 12.550 INCHES MINIMUM AND 12.590 INCHES MAXIMUM IN; Style Designator: INLINE DISPOSAL W/THREADED CONNECTIONS AND VAPOR DIVERTER; Body Length: 31.030 INCHES MINIMUM AND 31.090 INCHES MAXIMUM IN. 5 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.