The Piston,compressor, cataloged under National Stock Number 4310-00-690-3791, 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 10 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.
| Parameter | Value |
|---|---|
| NSN | 4310-00-690-3791 |
| Primary Part Number | 28396 |
| Item Name | Piston,compressor |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Hdt Expeditionary Systems Inc |
| Status | ACTIVE |
| Integral Connecting Rod | NOT INCLUDED |
| Pin Hole Bushing | NOT INCLUDED |
| Ring Groove Quantity | 3 |
| Skirt Bottom Cutaway Feature | INCLUDED |
| Ring Groove Position and Quantity | NO.1,NO.2,AND NO.3 PISTON |
| Ring Groove Width | 0.125 INCHES NOMINAL IN |
| Retaining Ring Groove | NOT INCLUDED |
| Diameter | 1.995 INCHES NOMINAL IN |
| Oil Groove | INCLUDED |
| Head Style | FLAT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4310-00-690-3791 is a Piston,compressor, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4310 (No Item Name Available). Status: active.
NSN 4310-00-690-3791 has 3 cross-referenced part numbers: 28396 (Davey Compressor Co Div of Keco Industries Inc), 28396 (Hdt Expeditionary Systems Inc), 28396 (Drs Environmental Systems Inc).
There are 7 known substitutes for 4310-00-690-3791: 5930-00-167-3795, 5998-00-396-1077, 2540-00-419-3052 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 28396: Integral Connecting Rod: NOT INCLUDED; Pin Hole Bushing: NOT INCLUDED; Ring Groove Quantity: 3; Skirt Bottom Cutaway Feature: INCLUDED. 11 total characteristics are documented in the Federal Logistics Information System.