PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

29201Piston,compressor

Hdt Expeditionary Systems Inc · NSN 4310-00-690-3712 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-690-3712 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-690-3712. Primary manufacturer part number: 29201.
Features
  • Piston,compressor — FSC 4310
  • Surface Finish: FINISHED
  • Head Style: FLAT
  • Integral Connecting Rod: NOT INCLUDED
  • Ring Groove Diameter: 3.162 INCHES NOMINAL IN
  • Ring Groove Position and Quantity: NO. 1,NO. @2,AND NO. 3 POSITIONS PISTON
  • Distance From Pin Hole Center to Extreme Top: 1.750 INCHES NOMINAL IN
  • Material Document and Classification: SAE 321 ASSN STD SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Aluminum Alloy A332.0 construction
General Description

The Piston,compressor, cataloged under National Stock Number 4310-00-690-3712, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. Government technical data includes 24 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-690-3712
Primary Part Number29201
Item NamePiston,compressor
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Surface FinishFINISHED
Head StyleFLAT
Integral Connecting RodNOT INCLUDED
Ring Groove Diameter3.162 INCHES NOMINAL IN
Ring Groove Position and QuantityNO. 1,NO. @2,AND NO. 3 POSITIONS PISTON
Distance From Pin Hole Center to Extreme Top1.750 INCHES NOMINAL IN
Material Document and ClassificationSAE 321 ASSN STD SINGLE MATERIAL RESPONSE
Distance Between Pin Bosses1.188 INCHES NOMINAL IN
Finished Size DesignationSTANDARD
MaterialALUMINUM ALLOY A332.0
Ring Groove Quantity2 AND 1
Ring Groove Width0.251 INCHES NOMINAL AND 0.127 INCHES NOMINAL IN
Oil Passage TypeHOLE
Pin Hole BushingINCLUDED
Pin Type for Which DesignedLOCKED
Bushing Hole Diameter0.787 INCHES NOMINAL IN
Skirt TypeSOLID
PinINCLUDED
RingNOT INCLUDED
Oil GrooveNOT INCLUDED
Skirt Bottom Cutaway FeatureINCLUDED
Diameter3.485 INCHES MINIMUM AND 3.490 INCHES MAXIMUM IN
Retaining Ring GrooveINCLUDED
Cut Depth0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2940-00-364-404329201 INTERCHANGEABLE
Plate and Spring Assembly
Parker-Hannifin Corporation
3110-00-554-30905202-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
1680-01-034-449829201 INTERCHANGEABLE
Control Box Assembly
Transdigm Inc
5985-01-214-0863ATT-0292-01-SMA-02 INTERCHANGEABLE
Attenuator,fixed
Cinch Connectivity Solutions Inc
2530-01-352-5801 INTERCHANGEABLE
Brake Shoe
6150-01-572-028029-20-1 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Celtech Corporation
4730-01-729-260629201 INTERCHANGEABLE
Adapter Assembly,valve
Ritchie Engineering Co Inc
Cross-Reference Index
Part NumberManufacturer
29201 Davey Compressor Co Div of Keco Industries Inc (USA)
29201 PRIMARY Hdt Expeditionary Systems Inc (USA)
29201 Drs Environmental Systems Inc (USA)
Related Parts
2940-00-364-4043INTERCHANGEABLE
PLATE AND SPRING ASSEMBLY
29201
3110-00-554-3090INTERCHANGEABLE
BEARING,BALL,ANNULAR
5202-1B1
1680-01-034-4498INTERCHANGEABLE
CONTROL BOX ASSEMBLY
29201
5985-01-214-0863INTERCHANGEABLE
ATTENUATOR,FIXED
ATT-0292-01-SMA-02
2530-01-352-5801INTERCHANGEABLE
BRAKE SHOE
6150-01-572-0280INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
29-20-1
4730-01-729-2606INTERCHANGEABLE
ADAPTER ASSEMBLY,VALVE
29201

Frequently Asked Questions

What is NSN 4310-00-690-3712?

NSN 4310-00-690-3712 is a Piston,compressor, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-690-3712?

NSN 4310-00-690-3712 has 3 cross-referenced part numbers: 29201 (Davey Compressor Co Div of Keco Industries Inc), 29201 (Hdt Expeditionary Systems Inc), 29201 (Drs Environmental Systems Inc).

What NSN replaces 4310-00-690-3712?

There are 7 known substitutes for 4310-00-690-3712: 2940-00-364-4043, 3110-00-554-3090, 1680-01-034-4498 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 29201?

Key specifications for 29201: Surface Finish: FINISHED; Head Style: FLAT; Integral Connecting Rod: NOT INCLUDED; Ring Groove Diameter: 3.162 INCHES NOMINAL IN. 25 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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