PartsTable TECHNICAL DATA SHEET

NSN 1680-01-476-4644Government record, cited

Clamp, 1, Loop, Aircra1680-01-476-4644

NSN 1680-01-476-4644 · NIIN 014764644 · Part number 30-306J06

Umpco, Inc. Dba Umpco Inc · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 18076

Government record, cited

NSN 1680-01-476-4644 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-476-4644. Manufacturer of record part number: 30-306J06.

Also searched as 1680-01-476-4644 · 1680014764644 · NIIN 014764644 · 01-476-4644 · FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 18076 · 30-306J06 · 30-205J06

Nearby stock numbers ← 1680-01-476-4641 Actuator, Electro-Mechanical, Line · 1680-01-476-4645 Clamp, 1, Loop, Aircra →

Features

Clamp,1,loop,aircra — FSC 1680
2 manufacturer part numbers on file
Manufacturer of record: Umpco, Inc. Dba Umpco Inc

Identification

NSN: 1680-01-476-4644
NIIN: 014764644
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 30-306J06
Manufacturer: Umpco, Inc. Dba Umpco Inc

General Description

The Clamp,1,loop,aircra, cataloged under National Stock Number 1680-01-476-4644, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Umpco, Inc. Dba Umpco Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Clamp,1,loop,aircra
FSC / FSG	1680 — Miscellaneous Aircraft Accessories and Components (FSG 16)
Manufacturers	Umpco, Inc. Dba Umpco Inc (CAGE 18076)

Technical Specifications

Parameter	Value
NSN	1680-01-476-4644
Primary Part Number	30-306J06
Item Name	Clamp,1,loop,aircra
FSC / FSG	1680 / 16 — Miscellaneous Aircraft Accessories and Components
Manufacturer	Umpco, Inc. Dba Umpco Inc
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
30-306J06	Umpco, Inc. Dba Umpco Inc (USA)
30-205J06	Umpco, Inc. Dba Umpco Inc (USA)

Reference documents

Reference	Meaning
30-306J06	5/2 Secondary reference U.S. Government activity
30-306J06	5/2 Secondary reference U.S. Government activity
30-306J06	3/2 Design control — primary reference U.S. Government activity

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 1680-01-476-4644?

NSN 1680-01-476-4644 is a Clamp,1,loop,aircra, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.

What part numbers are listed for NSN 1680-01-476-4644?

NSN 1680-01-476-4644 has 2 manufacturer part numbers on file: 30-306J06 (Umpco, Inc. Dba Umpco Inc), 30-205J06 (Umpco, Inc. Dba Umpco Inc).

Is NSN 1680-01-476-4644 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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