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NSN 2520-01-694-3657Government record, cited

Hub, Torque Unit2520-01-694-3657

NSN 2520-01-694-3657 · NIIN 016943657 · Part number 173609-212-1
Hydraulics International, Inc. Dba Hydraulics International Inc · FSC 2520 — Vehicular Power Transmission Components · FSG 25 — Vehicular Equipment Components · CAGE 56529
Government record, cited
NSN 2520-01-694-3657 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-694-3657. Manufacturer of record part number: 173609-212-1.
Also searched as  2520-01-694-3657 · 2520016943657 · NIIN 016943657 · 01-694-3657 · FSC 2520 Vehicular Power Transmission Components · CAGE 56529 · 173609-212-1
Nearby stock numbers  ·
Features
  • Hub,torque Unit — FSC 2520
  • 1 manufacturer part number on file
  • Manufacturer of record: Hydraulics International, Inc. Dba Hydraulics International Inc
Identification
  • NSN: 2520-01-694-3657
  • NIIN: 016943657
  • FSC: 2520 — Vehicular Power Transmission Components
  • FSG: 25 — Vehicular Equipment Components
  • Primary part number: 173609-212-1
  • Manufacturer: Hydraulics International, Inc. Dba Hydraulics International Inc
General Description

The Hub,torque Unit, cataloged under National Stock Number 2520-01-694-3657, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-01-694-3657
Primary Part Number173609-212-1
Item NameHub,torque Unit
FSC / FSG2520 / 25 — Vehicular Power Transmission Components
ManufacturerHydraulics International, Inc. Dba Hydraulics International Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeV
Cross-Reference Index
Part NumberManufacturer
173609-212-1 PRIMARY Hydraulics International, Inc. Dba Hydraulics International Inc (USA)
No interchangeability data on file.
Other items in FSC 2520 — Vehicular Power Transmission Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2520-00-005-4937
CLUTCH PACKAGE
2520-00-006-6257
2520-00-006-6257 · Item name not on file
2520-00-008-9977
SPIDER,UNIVERSAL JOINT,VEHICULAR
2520-00-039-6567
SOCKET
2520-00-242-3316
CLUTCH ASSEMBLY,HUB
2520-00-358-3905
COVER
2520-00-366-7191
COLLAR,SHAFT LINKAGE
2520-00-708-6603
COVER CONTROL LEVER

Frequently Asked Questions

What is NSN 2520-01-694-3657?

NSN 2520-01-694-3657 is a Hub,torque Unit, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.

What part numbers are listed for NSN 2520-01-694-3657?

NSN 2520-01-694-3657 has 1 manufacturer part number on file: 173609-212-1 (Hydraulics International, Inc. Dba Hydraulics International Inc).

What are the specifications of 173609-212-1?

Key specifications for 173609-212-1: Special Features: SPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPMENT/PARTS; Part Name Assigned by Controlling Agency: HUB, TORQUE CONVERTER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2520-01-694-3657 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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