PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N26Y20Diaphragm,compressor

Watts Regulator Company · NSN 4310-00-068-5821 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-068-5821 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-068-5821. Primary manufacturer part number: N26Y20.
Features
  • Diaphragm,compressor — FSC 4310
  • General Characteristics Item Description: BUNA-N COVERED FABRIC;2.125 IN. LG;2.125 IN. W;1.625 IN. FROM C TO C HOLE;4 HOLES 0.250 IN. DIA;CENTER HOLE 0.313 IN. DIA;0.031 IN. THK IN
  • 3 verified cross-references
  • Primary manufacturer: Watts Regulator Company
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Diaphragm,compressor, cataloged under National Stock Number 4310-00-068-5821, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Watts Regulator Company. Government technical data includes 1 verified specification, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-068-5821
Primary Part NumberN26Y20
Item NameDiaphragm,compressor
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerWatts Regulator Company
StatusACTIVE
General Characteristics Item DescriptionBUNA-N COVERED FABRIC;2.125 IN. LG;2.125 IN. W;1.625 IN. FROM C TO C HOLE;4 HOLES 0.250 IN. DIA;CENTER HOLE 0.313 IN. DIA;0.031 IN. THK IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-027-6417GT825GP1 INTERCHANGEABLE
Transformer,power Autotransforme
Northrop Grumman Systems Corporation
5961-00-233-7030 INTERCHANGEABLE
Transistor
5310-00-262-5128026116 INTERCHANGEABLE
Nut,plain,hexagon
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
5306-01-050-26184061-3 INTERCHANGEABLE
Bolt,eye
Adams Rite Aerospace, Inc
4820-01-589-595740613 INTERCHANGEABLE
Valve,safety Relief
G.s. Blodgett, Llc Div Blodgett
Cross-Reference Index
Part NumberManufacturer
40613 Davey Compressor Co Div of Keco Industries Inc (USA)
N26Y20 PRIMARY Watts Regulator Company (USA)
40613 Jenny Products, Inc (USA)
Related Parts
5950-00-027-6417INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
GT825GP1
5961-00-233-7030INTERCHANGEABLE
TRANSISTOR
5310-00-262-5128INTERCHANGEABLE
NUT,PLAIN,HEXAGON
026116
5306-01-050-2618INTERCHANGEABLE
BOLT,EYE
4061-3
4820-01-589-5957INTERCHANGEABLE
VALVE,SAFETY RELIEF
40613

Frequently Asked Questions

What is NSN 4310-00-068-5821?

NSN 4310-00-068-5821 is a Diaphragm,compressor, manufactured by Watts Regulator Company, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-068-5821?

NSN 4310-00-068-5821 has 3 cross-referenced part numbers: 40613 (Davey Compressor Co Div of Keco Industries Inc), N26Y20 (Watts Regulator Company), 40613 (Jenny Products, Inc).

What NSN replaces 4310-00-068-5821?

There are 5 known substitutes for 4310-00-068-5821: 5950-00-027-6417, 5961-00-233-7030, 5310-00-262-5128 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N26Y20?

Key specifications for N26Y20: General Characteristics Item Description: BUNA-N COVERED FABRIC;2.125 IN. LG;2.125 IN. W;1.625 IN. FROM C TO C HOLE;4 HOLES 0.250 IN. DIA;CENTER HOLE 0.313 IN. DIA;0.031 IN. THK IN. 1 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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