PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3044-02Washer,o-Ring

Watts Automatic Control Valve Inc · NSN 4930-01-135-1735 · FSC 4930 · No Item Name Available
Verified by PartsTable
NSN 4930-01-135-1735 — this item is cataloged by the U.S. Government under National Stock Number 4930-01-135-1735. Primary manufacturer part number: 3044-02.
Features
  • Washer,o-Ring — FSC 4930
  • General Characteristics Item Description: MATL: ALUMINUM 356-T6,ALODINED AFTER MACHIENING; DIM.: 3.985 IN. MIN AND 3.992 IN. MAX OD,0.625 IN. MIN AND 0.626 IN. MAX DIA SMALL END CENTER THRU HOLE;NOT SUGGESTED TO USE WITH GAS OR WATER IN
  • 4 verified cross-references
  • Primary manufacturer: Watts Automatic Control Valve Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
General Description

The Washer,o-Ring, cataloged under National Stock Number 4930-01-135-1735, is classified within Federal Supply Class 4930 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Watts Automatic Control Valve Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4930-01-135-1735
Primary Part Number3044-02
Item NameWasher,o-Ring
FSC / FSG4930 / 49 — No Item Name Available
ManufacturerWatts Automatic Control Valve Inc
StatusACTIVE
General Characteristics Item DescriptionMATL: ALUMINUM 356-T6,ALODINED AFTER MACHIENING; DIM.: 3.985 IN. MIN AND 3.992 IN. MAX OD,0.625 IN. MIN AND 0.626 IN. MAX DIA SMALL END CENTER THRU HOLE;NOT SUGGESTED TO USE WITH GAS OR WATER IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5310-00-116-409330442 INTERCHANGEABLE
Nut,plain,hexagon
Dana Light Axle Products, Llc Dba Dana Light Axle Products
9540-00-528-8616 INTERCHANGEABLE
Beam,structural
5950-00-593-75719142850 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
5935-00-727-2042 INTERCHANGEABLE
Connector,receptacle,electrical
7310-00-834-448530442 INTERCHANGEABLE
Pan,steam Table
The Vollrath Company, L.l.c. Div Vollrath
5975-00-903-6302 INTERCHANGEABLE
Junction Box
6625-00-935-1338 INTERCHANGEABLE
Disk,light Interrupting
4820-01-108-7235N304420057 INTERCHANGEABLE
Case,spring,adjusti
Leslie Controls, Inc. Dba Leslie Controls Inc
3230-01-390-315230442 INTERCHANGEABLE
Bit,router
Black and Decker Us Inc
6550-01-524-424430442 INTERCHANGEABLE
D-Dimer Test
Biomerieux Inc
Cross-Reference Index
Part NumberManufacturer
3044-02 PRIMARY Watts Automatic Control Valve Inc (USA)
02191-1154-33 Harsco Corp Bmy-Combat Systems Div (USA)
3044-2 Watts Automatic Control Valve Inc (USA)
3044-2 Muesco Inc Dba Muesco Mallay Inc (USA)
Related Parts
5310-00-116-4093INTERCHANGEABLE
NUT,PLAIN,HEXAGON
30442
9540-00-528-8616INTERCHANGEABLE
BEAM,STRUCTURAL
5950-00-593-7571INTERCHANGEABLE
TRANSFORMER,POWER
9142850
5935-00-727-2042INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
7310-00-834-4485INTERCHANGEABLE
PAN,STEAM TABLE
30442
5975-00-903-6302INTERCHANGEABLE
JUNCTION BOX
6625-00-935-1338INTERCHANGEABLE
DISK,LIGHT INTERRUPTING
4820-01-108-7235INTERCHANGEABLE
CASE,SPRING,ADJUSTI
N304420057
3230-01-390-3152INTERCHANGEABLE
BIT,ROUTER
30442
6550-01-524-4244INTERCHANGEABLE
D-DIMER TEST
30442

Frequently Asked Questions

What is NSN 4930-01-135-1735?

NSN 4930-01-135-1735 is a Washer,o-Ring, manufactured by Watts Automatic Control Valve Inc, classified under FSC 4930 (No Item Name Available). Status: active.

What are the part numbers for NSN 4930-01-135-1735?

NSN 4930-01-135-1735 has 4 cross-referenced part numbers: 3044-02 (Watts Automatic Control Valve Inc), 02191-1154-33 (Harsco Corp Bmy-Combat Systems Div), 3044-2 (Watts Automatic Control Valve Inc), 3044-2 (Muesco Inc Dba Muesco Mallay Inc).

What NSN replaces 4930-01-135-1735?

There are 10 known substitutes for 4930-01-135-1735: 5310-00-116-4093, 9540-00-528-8616, 5950-00-593-7571 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3044-02?

Key specifications for 3044-02: End Item Identification: 4930009442998; General Characteristics Item Description: MATL: ALUMINUM 356-T6,ALODINED AFTER MACHIENING; DIM.: 3.985 IN. MIN AND 3.992 IN. MAX OD,0.625 IN. MIN AND 0.626 IN. MAX DIA SMALL END CENTER THRU HOLE;NOT SUGGESTED TO USE WITH GAS OR WATER IN. 2 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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