Frame, Seat, Aircraft1680-01-390-4656

NSN 1680-01-390-4656 · NIIN 013904656

FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories

Government record, cited

Also searched as 1680-01-390-4656 · 1680013904656 · NIIN 013904656 · 01-390-4656 · FSC 1680 Miscellaneous Aircraft Accessories and Components · 838998-1 · 838998-1

Nearby stock numbers ← 1680-01-390-4588 Bracket, Eye, Nonrotating Shaft · 1680-01-390-4660 Lever, Remote Control →

Features

Frame,seat,aircraft — FSC 1680
Material Document and Classification: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE
Height: 0.375 INCHES NOMINAL IN
Aircraft Location: CREW SEAT
Material: STEEL COMP 4130
Hole Quantity: 3
Aircraft Mission Design Series: C-17

Identification

NSN: 1680-01-390-4656
NIIN: 013904656
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories

General Description

The Frame,seat,aircraft, cataloged under National Stock Number 1680-01-390-4656, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	1680-01-390-4656
Item Name	Frame,seat,aircraft
FSC / FSG	1680 / 16 — Miscellaneous Aircraft Accessories and Components
Status	ACTIVE
Material Document and Classification	MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE
Height	0.375 INCHES NOMINAL IN
Aircraft Location	CREW SEAT
Material	STEEL COMP 4130
Hole Quantity	3
Aircraft Mission Design Series	C-17

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
838998-1	C/1 Advisory reference — outside the item-of-supply concept Mag Aerospace Industries, Llc Div Safran Cabins
838998-1	3/9 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.

1680-00-001-1736

DUCT ASSEMBLY,BRANCHED

1680-00-003-3721

1680-00-003-3721 · Item name not on file

1680-00-009-3782

PISTON,EJECTOR,INNER

1680-00-009-6180

1680-00-009-6180 · Item name not on file

1680-00-475-0002

TIP,RUBBER CONTROL

1680-00-696-6170

ADAPTER,SCREW END A

1680-00-867-7158

COVER,GEARCASE

1680-00-885-0923

KNOB ASSY,LANDING G

Frequently Asked Questions

What is NSN 1680-01-390-4656?

NSN 1680-01-390-4656 is a Frame,seat,aircraft, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.

What are the specifications of 1680-01-390-4656?

Key specifications for 1680-01-390-4656: Material Document and Classification: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE; Overall Length: 0.790 INCHES NOMINAL IN; Overall Width: 0.500 INCHES NOMINAL IN; Height: 0.375 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 1680-01-390-4656 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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