The Insulation,cover Exhaust, cataloged under National Stock Number 2990-00-973-4797, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-973-4797 |
| Primary Part Number | 10925555-1 |
| Item Name | Insulation,cover Exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | SILICA FIBER,SPEC AMS 3680,REINFORCEMENT,FOIL CLASS 321,SPEC QQ-S-766,0.004 IN. THK,RIVET,NICKEL COPPER ALLOY,0.147 IN. ID,0.438 IN. OD,0.407 IN. LG 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 |
|---|---|
| 10925555-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2990009734797 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 2990-00-973-4797 is a Insulation,cover Exhaust, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-973-4797 has 1 manufacturer part number on file: 10925555-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10925555-1: General Characteristics Item Description: SILICA FIBER,SPEC AMS 3680,REINFORCEMENT,FOIL CLASS 321,SPEC QQ-S-766,0.004 IN. THK,RIVET,NICKEL COPPER ALLOY,0.147 IN. ID,0.438 IN. OD,0.407 IN. LG 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.