PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38-12520Ring,fish Tail

Triumph Gear Systems Inc Dba Triumph Gear Systems Inc · NSN 5365-00-807-8280 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-807-8280 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-807-8280. Primary manufacturer part number: 38-12520.
Features
  • Ring,fish Tail — FSC 5365
  • 5 verified cross-references
  • Primary manufacturer: Triumph Gear Systems Inc Dba Triumph Gear Systems Inc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,fish Tail, cataloged under National Stock Number 5365-00-807-8280, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Gear Systems Inc Dba Triumph Gear Systems Inc. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,fish Tail
FSC / FSG5365 — No Item Name Available (FSG 53)
ManufacturersTriumph Gear Systems Inc Dba Triumph Gear Systems Inc (CAGE 82402); Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (CAGE 97578); Dresser Systems Inc (CAGE 90580); Mkt Geotechnical Systems (CAGE 20263)
Technical Specifications
ParameterValue
NSN5365-00-807-8280
Primary Part Number38-12520
Item NameRing,fish Tail
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerTriumph Gear Systems Inc Dba Triumph Gear Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-291-9639125-26 INTERCHANGEABLE
Seal,plain Encased
Dresser Industries Inc Leroi Div
6530-00-404-4045125-26 INTERCHANGEABLE
Cover,orthopedic Be
Stryker Corporation Div Use for Open Payments Only
4140-00-406-0320D201 INTERCHANGEABLE
Guard,fan
Philips Industries Inc
4820-00-431-165012526 INTERCHANGEABLE
Seat,valve
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5330-00-588-027712-526 INTERCHANGEABLE
Retainer,packing
Wintec Llc
4820-01-046-026912526 INTERCHANGEABLE
Seat,valve
Leroi International Inc Dba Compair Leroi
5935-01-285-98856405177-6 INTERCHANGEABLE
Connector,plug,electrical
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
5355-01-291-828512526 INTERCHANGEABLE
Knob
Giga-Tronics Incorporated Dba Giga-Tronics
4820-01-374-300612526 INTERCHANGEABLE
Valve,regulating,system Pressure
DP Manufacturing Inc.
3040-01-436-0145A-800-12526-0401 INTERCHANGEABLE
Shaft,shouldered
B.w. Elliott Manufacturing Co., Llc
Cross-Reference Index
Part NumberManufacturer
38-12520 Triumph Gear Systems Inc Dba Triumph Gear Systems Inc (USA)
702-42177 Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center (USA)
165121 Dresser Systems Inc (USA)
702-42177 Triumph Gear Systems Inc Dba Triumph Gear Systems Inc (USA)
12526 Mkt Geotechnical Systems (USA)
Related Parts
5330-00-291-9639INTERCHANGEABLE
SEAL,PLAIN ENCASED
125-26
6530-00-404-4045INTERCHANGEABLE
COVER,ORTHOPEDIC BE
125-26
4140-00-406-0320INTERCHANGEABLE
GUARD,FAN
D201
4820-00-431-1650INTERCHANGEABLE
SEAT,VALVE
12526
5330-00-588-0277INTERCHANGEABLE
RETAINER,PACKING
12-526
4820-01-046-0269INTERCHANGEABLE
SEAT,VALVE
12526
5935-01-285-9885INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6405177-6
5355-01-291-8285INTERCHANGEABLE
KNOB
12526
4820-01-374-3006INTERCHANGEABLE
VALVE,REGULATING,SYSTEM PRESSURE
12526
3040-01-436-0145INTERCHANGEABLE
SHAFT,SHOULDERED
A-800-12526-0401
3040-01-437-2271INTERCHANGEABLE
SHAFT,SHOULDERED
A-800-12526-0507
1377-01-519-4091INTERCHANGEABLE
CARTRIDGE,IMPULSE
1252-6

Frequently Asked Questions

What is NSN 5365-00-807-8280?

NSN 5365-00-807-8280 is a Ring,fish Tail, manufactured by Triumph Gear Systems Inc Dba Triumph Gear Systems Inc, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-00-807-8280?

NSN 5365-00-807-8280 has 5 cross-referenced part numbers: 38-12520 (Triumph Gear Systems Inc Dba Triumph Gear Systems Inc), 702-42177 (Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center), 165121 (Dresser Systems Inc), 702-42177 (Triumph Gear Systems Inc Dba Triumph Gear Systems Inc), 12526 (Mkt Geotechnical Systems).

What NSN replaces 5365-00-807-8280?

There are 12 known substitutes for 5365-00-807-8280: 5330-00-291-9639, 6530-00-404-4045, 4140-00-406-0320 and 9 more. Verify interchangeability with system specifications before substitution.

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