Lock, Nut, Actuating1650-00-650-9961

NSN 1650-00-650-9961 · NIIN 006509961

FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories

Government record, cited

Also searched as 1650-00-650-9961 · 1650006509961 · NIIN 006509961 · 00-650-9961 · FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components

Nearby stock numbers ← 1650-00-650-9864 Support, Pressure Transmitter · 1650-00-651-0649 Cylinder Assembly, Actuating, Line →

Features

Lock,nut,actuating — FSC 1650
General Characteristics Item Description: LOW CARBON STEEL PER AMS 5040,2.000 IN. LG,1.000 IN. W.,0.048 IN. THK IN

Identification

NSN: 1650-00-650-9961
NIIN: 006509961
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories

General Description

The Lock,nut,actuating, cataloged under National Stock Number 1650-00-650-9961, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	1650-00-650-9961
Item Name	Lock,nut,actuating
FSC / FSG	1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Status	ACTIVE
General Characteristics Item Description	LOW CARBON STEEL PER AMS 5040,2.000 IN. LG,1.000 IN. W.,0.048 IN. THK 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

⇄ Related Items 1

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

4920-00-796-1986 POSSIBLE MATCH

STOP,HOSE

Possible match (shared part number)

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
337437	3/2 Design control — primary reference U.S. Government activity

Related Parts

4920-00-796-1986POSSIBLE MATCH

STOP,HOSE

Frequently Asked Questions

What is NSN 1650-00-650-9961?

NSN 1650-00-650-9961 is a Lock,nut,actuating, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.

What NSN replaces 1650-00-650-9961?

1 possible match (shared part number, not a government interchangeability claim): 4920-00-796-1986. Verify interchangeability with system specifications before substitution.

What are the specifications of 1650-00-650-9961?

Key specifications for 1650-00-650-9961: General Characteristics Item Description: LOW CARBON STEEL PER AMS 5040,2.000 IN. LG,1.000 IN. W.,0.048 IN. THK IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 1650-00-650-9961 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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