PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26278Spring,antibacklash

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 6610-00-673-8558 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-00-673-8558 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-673-8558. Primary manufacturer part number: 26278.
Features
  • Spring,antibacklash — FSC 6610
  • 1 verified cross-reference
  • Primary manufacturer: Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,antibacklash, cataloged under National Stock Number 6610-00-673-8558, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpring,antibacklash
FSC / FSG6610 — No Item Name Available (FSG 66)
ManufacturersUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems (CAGE 50027)
Technical Specifications
ParameterValue
NSN6610-00-673-8558
Primary Part Number26278
Item NameSpring,antibacklash
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2925-00-090-491026278 INTERCHANGEABLE
Lacing
Vse Aviation, Inc.
3020-01-322-579626278 INTERCHANGEABLE
Gear,spur
Paccar Winch Inc Dba Paccar Winch Division
6530-01-600-8907USAMMA 03.07.11 INTERCHANGEABLE
Cold Therapy-Intermittent Compre
Coolsystems, Inc. Dba Game Ready
Cross-Reference Index
Part NumberManufacturer
26278 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
2925-00-090-4910INTERCHANGEABLE
LACING
26278
3020-01-322-5796INTERCHANGEABLE
GEAR,SPUR
26278
6530-01-600-8907INTERCHANGEABLE
COLD THERAPY-INTERMITTENT COMPRE
USAMMA 03.07.11

Frequently Asked Questions

What is NSN 6610-00-673-8558?

NSN 6610-00-673-8558 is a Spring,antibacklash, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-00-673-8558?

NSN 6610-00-673-8558 has 1 cross-referenced part number: 26278 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 6610-00-673-8558?

There are 3 known substitutes for 6610-00-673-8558: 2925-00-090-4910, 3020-01-322-5796, 6530-01-600-8907. Verify interchangeability with system specifications before substitution.

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