Screw, Spline Drive1680-00-686-1861

NSN 1680-00-686-1861 · NIIN 006861861

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

Government record, cited

Also searched as 1680-00-686-1861 · 1680006861861 · NIIN 006861861 · 00-686-1861 · FSC 1680 Miscellaneous Aircraft Accessories and Components

Nearby stock numbers ← 1680-00-686-1860 Lug Assy, Torque Tub · 1680-00-686-1862 Stop, Actuator →

Features

Screw,spline Drive — FSC 1680
General Characteristics Item Description: 0.375-10 ACME 4C L.H.; MAJOR DIA .3740/.3736; PITCH DIA .3208/.3137; MINOR DIA .2353/.2287; LEAD 0.10; SINGLE START LEFT HAND THREAD; LENGTH 7.155 INCHES; MATERIAL - 17-4 PH STAINLESS,AMS 5643 IN

Identification

NSN: 1680-00-686-1861
NIIN: 006861861
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories

General Description

The Screw,spline Drive, cataloged under National Stock Number 1680-00-686-1861, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	1680-00-686-1861
Item Name	Screw,spline Drive
FSC / FSG	1680 / 16 — Miscellaneous Aircraft Accessories and Components
Status	ACTIVE
General Characteristics Item Description	0.375-10 ACME 4C L.H.; MAJOR DIA .3740/.3736; PITCH DIA .3208/.3137; MINOR DIA .2353/.2287; LEAD 0.10; SINGLE START LEFT HAND THREAD; LENGTH 7.155 INCHES; MATERIAL - 17-4 PH STAINLESS,AMS 5643 IN

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
880126	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.

1680-00-001-1736

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 1680-00-686-1861?

NSN 1680-00-686-1861 is a Screw,spline Drive, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.

What are the specifications of 1680-00-686-1861?

Key specifications for 1680-00-686-1861: General Characteristics Item Description: 0.375-10 ACME 4C L.H.; MAJOR DIA .3740/.3736; PITCH DIA .3208/.3137; MINOR DIA .2353/.2287; LEAD 0.10; SINGLE START LEFT HAND THREAD; LENGTH 7.155 INCHES; MATERIAL - 17-4 PH STAINLESS,AMS 5643 IN; End Item Identification: ACTUATOR,ELECTRO-MECHANICAL LINEAR,1680-00-073-8204. 1 specification is documented in the U.S. Government catalog.

Is NSN 1680-00-686-1861 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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