PartsTable TECHNICAL DATA SHEET

NSN 5990-00-656-5798Government record, cited

Cover, Synchro Receiver Mount5990-00-656-5798

NSN 5990-00-656-5798 · NIIN 006565798 · Part number AB-946-A

Ametek, Inc. Div Aerospace & Defense · FSC 5990 — Synchros and Resolvers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 61349

Government record, cited

NSN 5990-00-656-5798 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-656-5798. Manufacturer of record part number: AB-946-A.

Also searched as 5990-00-656-5798 · 5990006565798 · NIIN 006565798 · 00-656-5798 · FSC 5990 Synchros and Resolvers · CAGE 61349 · AB-946-A · 107633-1

Nearby stock numbers ← 5990-00-656-5797 · 5990-00-657-0320 →

Features

Cover,synchro Receiver Mount — FSC 5990
1 manufacturer part number on file
Manufacturer of record: Ametek, Inc. Div Aerospace & Defense

Identification

NSN: 5990-00-656-5798
NIIN: 006565798
FSC: 5990 — Synchros and Resolvers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: AB-946-A
Manufacturer: Ametek, Inc. Div Aerospace & Defense

General Description

The Cover,synchro Receiver Mount, cataloged under National Stock Number 5990-00-656-5798, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ametek, Inc. Div Aerospace & Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Cover,synchro Receiver Mount
FSC / FSG	5990 — Synchros and Resolvers (FSG 59)
Manufacturers	Ametek, Inc. Div Aerospace & Defense (CAGE 61349)

Technical Specifications

Parameter	Value
NSN	5990-00-656-5798
Primary Part Number	AB-946-A
Item Name	Cover,synchro Receiver Mount
FSC / FSG	5990 / 59 — Synchros and Resolvers
Manufacturer	Ametek, Inc. Div Aerospace & Defense
Status	ACTIVE

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

Part Number	Manufacturer
AB-946-A PRIMARY	Ametek, Inc. Div Aerospace & Defense (USA)

Reference documents

Reference	Meaning
107633-1	5/2 Secondary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 5990 — Synchros and Resolvers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5990-00-001-1764

SYNCHRO,DIFFERENTIAL TRANSMITTER

5990-00-001-1765

SYNCHRO,TRANSMITTER

5990-00-001-1766

SYNCHRO,CONTROL TRANSFORMER

5990-00-001-4570

5990-00-001-4570 · Item name not on file

5990-00-001-5956

5990-00-001-5956 · Item name not on file

5990-00-001-7588

SYNCHRO,TRANSMITTER

5990-00-003-0177

5990-00-003-0177 · Item name not on file

5990-00-003-0569

RESOLVER,ELECTRICAL

Frequently Asked Questions

What is NSN 5990-00-656-5798?

NSN 5990-00-656-5798 is a Cover,synchro Receiver Mount, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 5990, Synchros and Resolvers. Status: active.

What part numbers are listed for NSN 5990-00-656-5798?

NSN 5990-00-656-5798 has 1 manufacturer part number on file: AB-946-A (Ametek, Inc. Div Aerospace & Defense).

Is NSN 5990-00-656-5798 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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