Cover, Turbocharger Insulation2990-00-534-1640

NSN 2990-00-534-1640 · NIIN 005341640

FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories

Government record, cited

Also searched as 2990-00-534-1640 · 2990005341640 · NIIN 005341640 · 00-534-1640 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft

Nearby stock numbers ← 2990-00-534-1637 Cover, Turbo-Charger Inlet Insula · 2990-00-534-5524 →

Features

Cover,turbocharger Insulation — FSC 2990
General Characteristics Item Description: INNER FOIL 0.003 IN. NOM THK,OUTER FOIL 0.005 IN. NOM THK,REINFORCING STRIP 0.010 IN. NOM THK,FOIL MATERIAL CRES MIL-S-6721OR CRES QQ-S-766 CLASS 321 OR 347 FINISH 2D,INNER LAYER INSULATIONMATERIAL SILICA FIBER OR EQUIVALENT AMS 3680,12 RIVETS FSCM 19207REF NO. 10922393,12 WASHERS FSCM 88044 REF NO. AN960C10L IN

Identification

NSN: 2990-00-534-1640
NIIN: 005341640
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories

General Description

The Cover,turbocharger Insulation, cataloged under National Stock Number 2990-00-534-1640, 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	2990-00-534-1640
Item Name	Cover,turbocharger Insulation
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Status	ACTIVE
General Characteristics Item Description	INNER FOIL 0.003 IN. NOM THK,OUTER FOIL 0.005 IN. NOM THK,REINFORCING STRIP 0.010 IN. NOM THK,FOIL MATERIAL CRES MIL-S-6721OR CRES QQ-S-766 CLASS 321 OR 347 FINISH 2D,INNER LAYER INSULATIONMATERIAL SILICA FIBER OR EQUIVALENT AMS 3680,12 RIVETS FSCM 19207REF NO. 10922393,12 WASHERS FSCM 88044 REF NO. AN960C10L IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
2586726	3/2 Design control — primary reference U.S. Government activity

Frequently Asked Questions

What is NSN 2990-00-534-1640?

NSN 2990-00-534-1640 is a Cover,turbocharger Insulation, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What are the specifications of 2990-00-534-1640?

Key specifications for 2990-00-534-1640: General Characteristics Item Description: INNER FOIL 0.003 IN. NOM THK,OUTER FOIL 0.005 IN. NOM THK,REINFORCING STRIP 0.010 IN. NOM THK,FOIL MATERIAL CRES MIL-S-6721OR CRES QQ-S-766 CLASS 321 OR 347 FINISH 2D,INNER LAYER INSULATIONMATERIAL SILICA FIBER OR EQUIVALENT AMS 3680,12 RIVETS FSCM 19207REF NO. 10922393,12 WASHERS FSCM 88044 REF NO. AN960C10L IN; End Item Identification: 28152231695. 1 specification is documented in the U.S. Government catalog.

Is NSN 2990-00-534-1640 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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