PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11S75Ring Set,piston

Spirolox Inc · NSN 2805-00-176-4062 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-176-4062 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-176-4062. Primary manufacturer part number: 11S75.
Features
  • Ring Set,piston — FSC 2805
  • Standard Bore Diameter: 3.781 INCHES IN
  • Ring Set Component Parts: PISTON RING,GB-40,89955,6; PISTON RING,HD-20,89955,6; PISTON RING,TF-30,89955,6; PISTON RING,IB-10,89955,6
  • Piston Accommodation Quantity: 6
  • 11 verified cross-references
  • Primary manufacturer: Spirolox Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring Set,piston, cataloged under National Stock Number 2805-00-176-4062, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Spirolox Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-176-4062
Primary Part Number11S75
Item NameRing Set,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerSpirolox Inc
StatusCANCELLED
Standard Bore Diameter3.781 INCHES IN
Ring Set Component PartsPISTON RING,GB-40,89955,6; PISTON RING,HD-20,89955,6; PISTON RING,TF-30,89955,6; PISTON RING,IB-10,89955,6
Piston Accommodation Quantity6
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
4730-00-246-92058319 INTERCHANGEABLE
Elbow,pipe
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
4730-00-349-908301014009 INTERCHANGEABLE
Tee,pipe
Nibco Inc Chemtrol Div
6685-00-530-339600630-0010 INTERCHANGEABLE
Gage,pressure,dial Indicating
Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
2640-00-618-9644 INTERCHANGEABLE
Cap,pneumatic Valve
5840-00-777-2179 INTERCHANGEABLE
Compressor,reciproc
1440-00-874-567958A119D100-1 INTERCHANGEABLE
Launcher,guided Missile,aircraft
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2930-00-938-1593BM76506 INTERCHANGEABLE
Housing,coolant Pump,engine
Cummins Inc.
7025-01-048-28044923 INTERCHANGEABLE
Recorder,tape,digital
Tektronix, Inc.
5120-01-087-2802GS16135-1 INTERCHANGEABLE
Tool,installing,sleeve
Hamilton Sundstrand Corporation Dba Collins Aerospace
2530-01-329-1374 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Cross-Reference Index
Part NumberManufacturer
11S75 Spirolox Inc (USA)
636 Bosch Automotive Service Solutions Inc. (USA)
2104968 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
636X Spx Corp (USA)
C4923 Mcquay-Norris Inc Oem Div an Skf Industries Co
8319 Dana Corp Engine Products Div (USA)
2104968 General Motors Llc Dba General Motors Llc (USA)
636X Bosch Automotive Service Solutions Inc. (USA)
2104968 General Motors Corp (USA)
4923 Mcquay-Norris Inc Oem Div an Skf Industries Co
636 Spx Corp (USA)
Related Parts
4730-00-246-9205INTERCHANGEABLE
ELBOW,PIPE
8319
4730-00-349-9083INTERCHANGEABLE
TEE,PIPE
01014009
6685-00-530-3396INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
00630-0010
2640-00-618-9644INTERCHANGEABLE
CAP,PNEUMATIC VALVE
5840-00-777-2179INTERCHANGEABLE
COMPRESSOR,RECIPROC
1440-00-874-5679INTERCHANGEABLE
LAUNCHER,GUIDED MISSILE,AIRCRAFT
58A119D100-1
2930-00-938-1593INTERCHANGEABLE
HOUSING,COOLANT PUMP,ENGINE
BM76506
7025-01-048-2804INTERCHANGEABLE
RECORDER,TAPE,DIGITAL
4923
5120-01-087-2802INTERCHANGEABLE
TOOL,INSTALLING,SLEEVE
GS16135-1
2530-01-329-1374INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
6150-01-392-7760INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E

Frequently Asked Questions

What is NSN 2805-00-176-4062?

NSN 2805-00-176-4062 is a Ring Set,piston, manufactured by Spirolox Inc, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-176-4062?

NSN 2805-00-176-4062 has 11 cross-referenced part numbers: 11S75 (Spirolox Inc), 636 (Bosch Automotive Service Solutions Inc.), 2104968 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 636X (Spx Corp), C4923 (Mcquay-Norris Inc Oem Div an Skf Industries Co) and 6 more.

What NSN replaces 2805-00-176-4062?

There are 11 known substitutes for 2805-00-176-4062: 4730-00-246-9205, 4730-00-349-9083, 6685-00-530-3396 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11S75?

Key specifications for 11S75: Standard Bore Diameter: 3.781 INCHES IN; Ring Set Component Parts: PISTON RING,GB-40,89955,6; PISTON RING,HD-20,89955,6; PISTON RING,TF-30,89955,6; PISTON RING,IB-10,89955,6; Piston Accommodation Quantity: 6. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-176-4062 still in active supply?

NSN 2805-00-176-4062 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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