Retainer, Coupler1680-01-649-2461

NSN 1680-01-649-2461 · NIIN 016492461 · Part number 11R03-48

Hydro-Fitting Manufacturing Corporation · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 13899

Government record, cited

NSN 1680-01-649-2461 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-649-2461. Manufacturer of record part number: 11R03-48.

Also searched as 1680-01-649-2461 · 1680016492461 · NIIN 016492461 · 01-649-2461 · FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 13899 · 11R03-48

Nearby stock numbers ← 1680-01-649-2429 Panel, Control, Electrical-Electro · 1680-01-649-2606 Endbell Assembly →

Features

Retainer,coupler — FSC 1680
1 manufacturer part number on file
Manufacturer of record: Hydro-Fitting Manufacturing Corporation

Identification

NSN: 1680-01-649-2461
NIIN: 016492461
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 11R03-48
Manufacturer: Hydro-Fitting Manufacturing Corporation

General Description

The Retainer,coupler, cataloged under National Stock Number 1680-01-649-2461, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Hydro-Fitting Manufacturing Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Retainer,coupler
FSC / FSG	1680 — Miscellaneous Aircraft Accessories and Components (FSG 16)
Manufacturers	Hydro-Fitting Manufacturing Corporation (CAGE 13899)

Technical Specifications

Parameter	Value
NSN	1680-01-649-2461
Primary Part Number	11R03-48
Item Name	Retainer,coupler
FSC / FSG	1680 / 16 — Miscellaneous Aircraft Accessories and Components
Manufacturer	Hydro-Fitting Manufacturing Corporation
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
11R03-48 PRIMARY	Hydro-Fitting Manufacturing Corporation (USA)

No interchangeability data on file.

Other items in FSC 1680 — Miscellaneous Aircraft Accessories and Components

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

1680-00-000-0144

CUSHION,SEAT BACK,AIRCRAFT

1680-00-001-1401

1680-00-001-1401 · Item name not on file

1680-00-001-1402

1680-00-001-1402 · Item name not on file

1680-00-001-1403

1680-00-001-1403 · Item name not on file

1680-00-001-1404

COVER,INERTIA REEL

1680-00-001-1730

SHIELD,THERMAL RADI

1680-00-001-1731

LEVER,REMOTE CONTROL

1680-00-001-1736

DUCT ASSEMBLY,BRANCHED

Frequently Asked Questions

What is NSN 1680-01-649-2461?

NSN 1680-01-649-2461 is a Retainer,coupler, manufactured by Hydro-Fitting Manufacturing Corporation, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.

What part numbers are listed for NSN 1680-01-649-2461?

NSN 1680-01-649-2461 has 1 manufacturer part number on file: 11R03-48 (Hydro-Fitting Manufacturing Corporation).

Is NSN 1680-01-649-2461 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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