Cover6610-00-474-5461

NSN 6610-00-474-5461 · NIIN 004745461 · Part number 187663

Lockheed Martin Corporation Div Rms - Mitchel Field · FSC 6610 — Flight Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 56232

Government record, cited

NSN 6610-00-474-5461 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-474-5461. Manufacturer of record part number: 187663.

Also searched as 6610-00-474-5461 · 6610004745461 · NIIN 004745461 · 00-474-5461 · FSC 6610 Flight Instruments · CAGE 56232 · 187663

Nearby stock numbers ← 6610-00-474-5459 · 6610-00-474-5463 →

Features

Cover — FSC 6610
2 manufacturer part numbers on file
Manufacturer of record: Lockheed Martin Corporation Div Rms - Mitchel Field

Identification

NSN: 6610-00-474-5461
NIIN: 004745461
FSC: 6610 — Flight Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 187663
Manufacturer: Lockheed Martin Corporation Div Rms - Mitchel Field

General Description

The Cover, cataloged under National Stock Number 6610-00-474-5461, is classified within Federal Supply Class 6610 (Flight Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Cover
FSC / FSG	6610 — Flight Instruments (FSG 66)
Manufacturers	Lockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232); Honeywell International Inc. Dba Honeywell International (CAGE 07187)

Technical Specifications

Parameter	Value
NSN	6610-00-474-5461
Primary Part Number	187663
Item Name	Cover
FSC / FSG	6610 / 66 — Flight Instruments
Manufacturer	Lockheed Martin Corporation Div Rms - Mitchel Field
Status	ACTIVE

Lifecycle & Compliance

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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5840-01-319-8297187663 POSSIBLE MATCH

CONTROL ASSEMBLY,SP

Possible match (shared part number)Northrop Grumman Systems Corporation

Cross-Reference Index

Part Number	Manufacturer
187663 PRIMARY	Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
187663	Honeywell International Inc. Dba Honeywell International (USA)

Related Parts

5840-01-319-8297POSSIBLE MATCH

CONTROL ASSEMBLY,SP

187663

Frequently Asked Questions

What is NSN 6610-00-474-5461?

NSN 6610-00-474-5461 is a Cover, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 6610, Flight Instruments. Status: active.

What part numbers are listed for NSN 6610-00-474-5461?

NSN 6610-00-474-5461 has 2 manufacturer part numbers on file: 187663 (Lockheed Martin Corporation Div Rms - Mitchel Field), 187663 (Honeywell International Inc. Dba Honeywell International).

What NSN replaces 6610-00-474-5461?

1 possible match (shared part number, not a government interchangeability claim): 5840-01-319-8297. Verify interchangeability with system specifications before substitution.

Is NSN 6610-00-474-5461 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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