Bumper, Metal-Uplock Mechanism, Ma1620-00-301-0628

NSN 1620-00-301-0628 · NIIN 003010628

FSC 1620 — Aircraft Landing Gear Components · FSG 16 — Aircraft Components and Accessories

Government record, cited

Also searched as 1620-00-301-0628 · 1620003010628 · NIIN 003010628 · 00-301-0628 · FSC 1620 Aircraft Landing Gear Components

Nearby stock numbers ← 1620-00-301-0597 Axle, Landing Gear · 1620-00-301-0736 Support, Tail Wheel →

Features

Bumper,metal-Uplock Mechanism,ma — FSC 1620
General Characteristics Item Description: STEEL,CORROSION RESISTANT,AMS 5643,0.420 IN. O/A LG,0.960 IN. DIA OF FLANGE,0.2510 IN. MIN,0.2515 IN. MAX,DIA OFBODY,CADMIUM,CLASS 2,TYPE 2,LCP77-1061,FSCM 36659,PENETRANTINSPEC,LCP72-1068,FSCM 36659 IN

Identification

NSN: 1620-00-301-0628
NIIN: 003010628
FSC: 1620 — Aircraft Landing Gear Components
FSG: 16 — Aircraft Components and Accessories

General Description

The Bumper,metal-Uplock Mechanism,ma, cataloged under National Stock Number 1620-00-301-0628, is classified within Federal Supply Class 1620 (Aircraft Landing Gear 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	1620-00-301-0628
Item Name	Bumper,metal-Uplock Mechanism,ma
FSC / FSG	1620 / 16 — Aircraft Landing Gear Components
Status	ACTIVE
General Characteristics Item Description	STEEL,CORROSION RESISTANT,AMS 5643,0.420 IN. O/A LG,0.960 IN. DIA OF FLANGE,0.2510 IN. MIN,0.2515 IN. MAX,DIA OFBODY,CADMIUM,CLASS 2,TYPE 2,LCP77-1061,FSCM 36659,PENETRANTINSPEC,LCP72-1068,FSCM 36659 IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL B — Remove Demilitarization Key Points
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
1285223-101	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 1620 — Aircraft Landing Gear Components

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

1620-00-001-2466

HOUSING,GEARBOX,KNE

1620-00-001-2467

HOUSING,GEARBOX,KNE

1620-00-001-2468

1620-00-001-2468 · Item name not on file

1620-00-001-3929

LEVER ASSEMBLY

1620-00-001-4483

CYLINDER LANDING GE

1620-00-001-6577

1620-00-001-6577 · Item name not on file

1620-00-001-6942

END PLATE,POWER ST

1620-00-003-0391

DRAG BRACE,LANDING GEAR

Frequently Asked Questions

What is NSN 1620-00-301-0628?

NSN 1620-00-301-0628 is a Bumper,metal-Uplock Mechanism,ma, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.

What are the specifications of 1620-00-301-0628?

Key specifications for 1620-00-301-0628: General Characteristics Item Description: STEEL,CORROSION RESISTANT,AMS 5643,0.420 IN. O/A LG,0.960 IN. DIA OF FLANGE,0.2510 IN. MIN,0.2515 IN. MAX,DIA OFBODY,CADMIUM,CLASS 2,TYPE 2,LCP77-1061,FSCM 36659,PENETRANTINSPEC,LCP72-1068,FSCM 36659 IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 1620-00-301-0628 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.

What is the DEMIL code for NSN 1620-00-301-0628?

NSN 1620-00-301-0628 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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