PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

101209Ring,piston

Boyd Corporation (woburn) Inc · NSN 4310-01-391-8280 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-391-8280 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-391-8280. Primary manufacturer part number: 101209.
Features
  • Ring,piston — FSC 4310
  • Material: IRON OVERALL
  • Radial Wall Thickness: 0.0520 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
  • Standard Bore Diameter: 1.500 INCHES IN
  • Ring Style: CONCENTRIC
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
  • 4 verified cross-references
  • Primary manufacturer: Boyd Corporation (woburn) Inc
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-01-391-8280, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Boyd Corporation (woburn) Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-01-391-8280
Primary Part Number101209
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerBoyd Corporation (woburn) Inc
StatusACTIVE
MaterialIRON OVERALL
Radial Wall Thickness0.0520 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
Standard Bore Diameter1.500 INCHES IN
Ring StyleCONCENTRIC
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5998-00-491-5689101209 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
4730-00-801-1070 INTERCHANGEABLE
Coupling,clamp,pipe
9520-00-805-6815P1001 INTERCHANGEABLE
Channel,structural
Unistrut International Corporation Dba Unistrut Diversified Products
5305-00-951-3290P100-1-H INTERCHANGEABLE
Screw,cap,hexagon Head
Tuthill Corporation Dba Tuthill Pump Group
4320-00-958-5762P1001 INTERCHANGEABLE
Pump,centrifugal
Mission Systems Davenport Inc.
4810-01-284-9256P100-1 INTERCHANGEABLE
Cap,valve
Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc
5961-01-311-3275101-209 INTERCHANGEABLE
Semiconductor Device Assembly
Prestolite Electric Inc
6110-01-412-9329P1001 INTERCHANGEABLE
Distribution Box
Te Connectivity Corporation
5930-01-532-6162101209 INTERCHANGEABLE
Switch,electronic
Mackay Communications, Inc Div Government
5310-01-558-9053101209 INTERCHANGEABLE
Washer,flat
Maysteel Products Corp Po Box 1240 Menomonee Falls Wi 53052
Cross-Reference Index
Part NumberManufacturer
101209 Boyd Corporation (woburn) Inc (USA)
A101209-01 Boyd Corporation (woburn) Inc (USA)
101209-01 Boyd Corporation (woburn) Inc (USA)
P-1001 Grover Corporation Dba Grover Piston Ring Co (USA)
Related Parts
5998-00-491-5689INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
101209
4730-00-801-1070INTERCHANGEABLE
COUPLING,CLAMP,PIPE
9520-00-805-6815INTERCHANGEABLE
CHANNEL,STRUCTURAL
P1001
5305-00-951-3290INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
P100-1-H
4320-00-958-5762INTERCHANGEABLE
PUMP,CENTRIFUGAL
P1001
4810-01-284-9256INTERCHANGEABLE
CAP,VALVE
P100-1
5961-01-311-3275INTERCHANGEABLE
SEMICONDUCTOR DEVICE ASSEMBLY
101-209
6110-01-412-9329INTERCHANGEABLE
DISTRIBUTION BOX
P1001
5930-01-532-6162INTERCHANGEABLE
SWITCH,ELECTRONIC
101209
5310-01-558-9053INTERCHANGEABLE
WASHER,FLAT
101209
6665-01-669-2665INTERCHANGEABLE
DETECTOR,RADIAC
S600-5882

Frequently Asked Questions

What is NSN 4310-01-391-8280?

NSN 4310-01-391-8280 is a Ring,piston, manufactured by Boyd Corporation (woburn) Inc, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-391-8280?

NSN 4310-01-391-8280 has 4 cross-referenced part numbers: 101209 (Boyd Corporation (woburn) Inc), A101209-01 (Boyd Corporation (woburn) Inc), 101209-01 (Boyd Corporation (woburn) Inc), P-1001 (Grover Corporation Dba Grover Piston Ring Co).

What NSN replaces 4310-01-391-8280?

There are 11 known substitutes for 4310-01-391-8280: 5998-00-491-5689, 4730-00-801-1070, 9520-00-805-6815 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 101209?

Key specifications for 101209: Material: IRON OVERALL; Overall Width: 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN; Radial Wall Thickness: 0.0520 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN; Special Features: PERMASEAL JOINT STYLE. 8 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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