PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1846Fixture Spring Torq

Ametek Inc Div Aerospace and Defense · NSN 4920-01-296-1478 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-296-1478 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-296-1478. Primary manufacturer part number: A1846.
Features
  • Fixture Spring Torq — FSC 4920
  • 1 verified cross-reference
  • Primary manufacturer: Ametek Inc Div Aerospace and Defense
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Fixture Spring Torq, cataloged under National Stock Number 4920-01-296-1478, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Ametek Inc Div Aerospace and Defense. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameFixture Spring Torq
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersAmetek Inc Div Aerospace and Defense (CAGE 97424)
Technical Specifications
ParameterValue
NSN4920-01-296-1478
Primary Part NumberA1846
Item NameFixture Spring Torq
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerAmetek Inc Div Aerospace and Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-184-542318490 INTERCHANGEABLE
Roller,bearing
Komatsu America Corporation
8455-01-566-1469 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-654-2498 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-717-0750 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-717-0754 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A1846 PRIMARY Ametek Inc Div Aerospace and Defense (USA)
Related Parts
3110-00-184-5423INTERCHANGEABLE
ROLLER,BEARING
18490
8455-01-566-1469INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-654-2498INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-717-0750INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-717-0754INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 4920-01-296-1478?

NSN 4920-01-296-1478 is a Fixture Spring Torq, manufactured by Ametek Inc Div Aerospace and Defense, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-296-1478?

NSN 4920-01-296-1478 has 1 cross-referenced part number: A1846 (Ametek Inc Div Aerospace and Defense).

What NSN replaces 4920-01-296-1478?

There are 5 known substitutes for 4920-01-296-1478: 3110-00-184-5423, 8455-01-566-1469, 8455-01-654-2498 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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