The Arrester,spark Exhaust, cataloged under National Stock Number 2990-00-024-5035, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2990-00-024-5035 |
| Item Name | Arrester,spark Exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Status | ACTIVE |
| Operating Position | UNIVERSAL |
| Inlet Outside Diameter | 2.125 INCHES NOMINAL IN |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Overall Diameter | 7.000 INCHES NOMINAL IN |
| Outlet Inside Diameter | 2.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Inlet Projection Length | 4.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outlet Outside Diameter | 2.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Inlet Inside Diameter | 2.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Material | STEEL |
| Outlet Projection Length | 4.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Device Design Type | BAFFLE |
| Outlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 882085C1 | 3/2 Design control — primary reference U.S. Government activity |
| SA200 | 5/9 Secondary reference Riker Products |
NSN 2990-00-024-5035 is a Arrester,spark Exhaust, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3431-00-240-5796, 5930-00-243-9417. Verify interchangeability with system specifications before substitution.
Key specifications for 2990-00-024-5035: Operating Position: UNIVERSAL; Inlet Outside Diameter: 2.125 INCHES NOMINAL IN; Inlet Location: CENTRALLY LOCATED IN END SECTION OF BODY; Overall Diameter: 7.000 INCHES NOMINAL IN. 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.