The Pipe,exhaust, cataloged under National Stock Number 2990-01-532-3709, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-532-3709 |
| Primary Part Number | 000993-147-1 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| Material Document and Classification | ASTM 513/2 ASSN STD ALL MATERIAL RESPONSES |
| 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 |
|---|---|
| 000993-147-1 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 000993-147-1 | 3/9 Design control — primary reference U.S. Government activity |
| X000993-147 | 5/9 Secondary reference Hydraulics International, Inc. Dba Hydraulics International Inc |
NSN 2990-01-532-3709 is a Pipe,exhaust, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-532-3709 has 1 manufacturer part number on file: 000993-147-1 (Hydraulics International, Inc. Dba Hydraulics International Inc).
Key specifications for 000993-147-1: Material Document and Classification: ASTM 513/2 ASSN STD ALL MATERIAL RESPONSES; Special Features: 1.745 I.D.; .065 WALL; End Item Identification: MHU-83 BOMBLIFTER. 1 specification is 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.