PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HFAS209Ring Set,piston

Schramm, Inc. · NSN 2805-00-585-0288 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-585-0288 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-585-0288. Primary manufacturer part number: HFAS209.
Features
  • Ring Set,piston — FSC 2805
  • Standard Bore Diameter: 5.000 INCHES IN
  • Piston Accommodation Quantity: 1
  • Ring Set Component Parts: COMPRESSION RING,HF209C,87848,2,OIL RING,HF209-1D,87848,2
  • 3 verified cross-references
  • Primary manufacturer: Schramm, 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 2805-00-585-0288, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Schramm, Inc.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-585-0288
Primary Part NumberHFAS209
Item NameRing Set,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerSchramm, Inc.
StatusACTIVE
Standard Bore Diameter5.000 INCHES IN
Piston Accommodation Quantity1
Ring Set Component PartsCOMPRESSION RING,HF209C,87848,2,OIL RING,HF209-1D,87848,2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
7050-00-413-22468392 INTERCHANGEABLE
Converter,digital to Analog
Analog Devices, Inc. Div Corporate Headquarters
2910-01-120-54582-912 INTERCHANGEABLE
Carburetor,float
Napa Automotive Parts Co
5998-01-132-25678392 INTERCHANGEABLE
Circuit Card Assembly
Thales Defense & Security Inc Dba Thales Communications Inc
5330-01-136-4969839200 INTERCHANGEABLE
Packing,preformed
Alfa Laval Inc
5930-01-137-16238392 INTERCHANGEABLE
Switch,pressure
Hydra-Electric Company Dba Hydra-Electric Co
5331-01-285-739012577322 INTERCHANGEABLE
O-Ring
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
5935-01-381-4151839-2 INTERCHANGEABLE
Connector,plug,electrical
Inmac Corporate Offices
5998-01-432-0904 INTERCHANGEABLE
Electronic Components Assembly
6545-01-564-5867UA 911B INTERCHANGEABLE
Ves,food Inspection Individual-2
Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa
Cross-Reference Index
Part NumberManufacturer
3375AND3367 Pedrick Tool & Machine Co (USA)
8392 Muskegon Piston Ring Co Muskegon Products Div (USA)
HFAS209 PRIMARY Schramm, Inc. (USA)
Related Parts
7050-00-413-2246INTERCHANGEABLE
CONVERTER,DIGITAL TO ANALOG
8392
2910-01-120-5458INTERCHANGEABLE
CARBURETOR,FLOAT
2-912
5998-01-132-2567INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
8392
5330-01-136-4969INTERCHANGEABLE
PACKING,PREFORMED
839200
5930-01-137-1623INTERCHANGEABLE
SWITCH,PRESSURE
8392
5331-01-285-7390INTERCHANGEABLE
O-RING
12577322
5935-01-381-4151INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
839-2
5998-01-432-0904INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
6545-01-564-5867INTERCHANGEABLE
VES,FOOD INSPECTION INDIVIDUAL-2
UA 911B

Frequently Asked Questions

What is NSN 2805-00-585-0288?

NSN 2805-00-585-0288 is a Ring Set,piston, manufactured by Schramm, Inc., classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-585-0288?

NSN 2805-00-585-0288 has 3 cross-referenced part numbers: 3375AND3367 (Pedrick Tool & Machine Co), 8392 (Muskegon Piston Ring Co Muskegon Products Div), HFAS209 (Schramm, Inc.).

What NSN replaces 2805-00-585-0288?

There are 9 known substitutes for 2805-00-585-0288: 7050-00-413-2246, 2910-01-120-5458, 5998-01-132-2567 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HFAS209?

Key specifications for HFAS209: Standard Bore Diameter: 5.000 INCHES IN; Piston Accommodation Quantity: 1; Ring Set Component Parts: COMPRESSION RING,HF209C,87848,2,OIL RING,HF209-1D,87848,2. 3 total characteristics are documented in the Federal Logistics Information System.

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