The Insulation Cover,manifold, cataloged under National Stock Number 2990-01-032-3568, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-032-3568 |
| Item Name | Insulation Cover,manifold |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Status | ACTIVE |
| General Characteristics Item Description | 15.500 IN. LG,3.625 IN.W O/A,OUTER SHELL CRES SPEC MIL-S-6721,0.005 IN. THK,VENTED,SILICA FIBER INSULATION,INNER SHELL CRES SPEC MIL-S-6721,0.003 IN. THK,SHELLS MAY BE TEXTURED AS REQUIRED FOR FORMING TO CONTOUR,TEXTURE LOSS DUE TO FORMING IS ACCEPTABLE,SEAM JOINING INNER AND OUTER SHELLSIN A CONTINOUS WELD,SHRINKAGE 2.500 PCT MAX,FURNISHED WITH 6 CAPSTAN P/N 2587440,FSCM 80064,AND 6 WASHER P/N 2587439,FSCM 80064 IN |
| 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 |
|---|---|
| 4168945 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2990-01-032-3568 is a Insulation Cover,manifold, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
Key specifications for 2990-01-032-3568: General Characteristics Item Description: 15.500 IN. LG,3.625 IN.W O/A,OUTER SHELL CRES SPEC MIL-S-6721,0.005 IN. THK,VENTED,SILICA FIBER INSULATION,INNER SHELL CRES SPEC MIL-S-6721,0.003 IN. THK,SHELLS MAY BE TEXTURED AS REQUIRED FOR FORMING TO CONTOUR,TEXTURE LOSS DUE TO FORMING IS ACCEPTABLE,SEAM JOINING INNER AND OUTER SHELLSIN A CONTINOUS WELD,SHRINKAGE 2.500 PCT MAX,FURNISHED WITH 6 CAPSTAN P/N 2587440,FSCM 80064,AND 6 WASHER P/N 2587439,FSCM 80064 IN. 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.