Knuckle, Steering2530-01-577-7778

NSN 2530-01-577-7778 · NIIN 015777778 · Part number A3-3111-A-4187

Meritor Heavy Vehicle Systems, Llc · FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components · FSG 25 — Vehicular Equipment Components · CAGE 78500

Government record, cited

NSN 2530-01-577-7778 — this item is cataloged by the U.S. Government under National Stock Number 2530-01-577-7778. Manufacturer of record part number: A3-3111-A-4187.

Also searched as 2530-01-577-7778 · 2530015777778 · NIIN 015777778 · 01-577-7778 · FSC 2530 Vehicular Brake, Steering, Axle, Wheel, and Track Components · CAGE 78500 · A3-3111-A-4187 · 3707908C91

Nearby stock numbers ← 2530-01-577-7777 Tie Rod, Steering · 2530-01-577-7782 Tie Rod, Steering →

Features

Knuckle,steering — FSC 2530
2 manufacturer part numbers on file
Manufacturer of record: Meritor Heavy Vehicle Systems, Llc

Identification

NSN: 2530-01-577-7778
NIIN: 015777778
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
FSG: 25 — Vehicular Equipment Components
Primary part number: A3-3111-A-4187
Manufacturer: Meritor Heavy Vehicle Systems, Llc

General Description

The Knuckle,steering, cataloged under National Stock Number 2530-01-577-7778, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2530-01-577-7778
Primary Part Number	A3-3111-A-4187
Item Name	Knuckle,steering
FSC / FSG	2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
Manufacturer	Meritor Heavy Vehicle Systems, Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
A3-3111-A-4187 PRIMARY	Meritor Heavy Vehicle Systems, Llc (USA)
3707908C91	Nd Defense Llc (USA)

No interchangeability data on file.

Other items in FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components

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

2530-00-003-5229

2530-00-003-5229 · Item name not on file

2530-00-139-4058

PARTS KIT,HYDRAULIC BRAKE MASTER

2530-00-363-4183

CYLINDER ASSEMBLY,HYDRAULIC BRAK

2530-00-478-5792

PARTS KIT,HYDRAULIC BRAKE MASTER

2530-00-496-2927

WHEEL ASSEMBLY,PNEUMATIC TIRE

2530-00-701-0656

PLATE SUPPORTING SP

2530-00-734-2546

CYLINDER ASSEMBLY,HYDRAULIC BRAK

2530-01-171-5122

CYLINDER ASSEMBLY,HYDRAULIC BRAK

Frequently Asked Questions

What is NSN 2530-01-577-7778?

NSN 2530-01-577-7778 is a Knuckle,steering, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.

What part numbers are listed for NSN 2530-01-577-7778?

NSN 2530-01-577-7778 has 2 manufacturer part numbers on file: A3-3111-A-4187 (Meritor Heavy Vehicle Systems, Llc), 3707908C91 (Nd Defense Llc).

What are the specifications of A3-3111-A-4187?

Key specifications for A3-3111-A-4187: End Item Identification: HUSKY VEHICLE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2530-01-577-7778 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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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