PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4535Valve Assembly,drain

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 4810-01-130-5529 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-130-5529 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-130-5529. Primary manufacturer part number: 4535.
Features
  • Valve Assembly,drain — FSC 4810
  • General Characteristics Item Description: CONSISTS OF 1 EA BRACKET P/N 4537B;2 EA VALVE,SOFT SEAT P/N 4506B-G501;2 EA VALVE,MODIFIED P/N 3821B-G502;4 EA STEEL PHOS COAT CONNECTOR P/N 3889B-4;4 EA BUNA-N O-RINGS P/N MS28778-4;2 EA THOMAS AND BETTS CONNECTOR P/N 3302;2 EA RUBBER SLEEVE P/N 4076B;2 EA STEEL PHOSCOAT NUT P/N 39848-4;2 EA CORROSION RESISTANT STEEL 17-4 PH SLEEVE P/N 3983B-4;4 EA STEEL,CADMIUM PLATED NO 10-32 ROLL HEADED MALE SCREWS;4 EA STEEL CADMIUM PLATE NO 10 LOCKWASHER;1 EA STAINLESS STEEL OR COPPER NICKEL TUBE 0.250 IN. OD BY 0.049 IN. WALL THK BY 5.500 IN. LONG;1 STAINLESS STEEL OR COPPER NICKEL TUBE 0.250 BY 0.049 IN. WALL THK BY 5.500 IN LG IN
  • 2 verified cross-references
  • Primary manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly,drain, cataloged under National Stock Number 4810-01-130-5529, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-130-5529
Primary Part Number4535
Item NameValve Assembly,drain
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 1 EA BRACKET P/N 4537B;2 EA VALVE,SOFT SEAT P/N 4506B-G501;2 EA VALVE,MODIFIED P/N 3821B-G502;4 EA STEEL PHOS COAT CONNECTOR P/N 3889B-4;4 EA BUNA-N O-RINGS P/N MS28778-4;2 EA THOMAS AND BETTS CONNECTOR P/N 3302;2 EA RUBBER SLEEVE P/N 4076B;2 EA STEEL PHOSCOAT NUT P/N 39848-4;2 EA CORROSION RESISTANT STEEL 17-4 PH SLEEVE P/N 3983B-4;4 EA STEEL,CADMIUM PLATED NO 10-32 ROLL HEADED MALE SCREWS;4 EA STEEL CADMIUM PLATE NO 10 LOCKWASHER;1 EA STAINLESS STEEL OR COPPER NICKEL TUBE 0.250 IN. OD BY 0.049 IN. WALL THK BY 5.500 IN. LONG;1 STAINLESS STEEL OR COPPER NICKEL TUBE 0.250 BY 0.049 IN. WALL THK BY 5.500 IN LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6240-00-044-42794535 INTERCHANGEABLE
Lamp,incandescent
American National Standards Institute Incorporated Dba American National Standards Institute
5940-00-079-863811-423-4-01 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
3110-00-101-178913267 INTERCHANGEABLE
Cup,tapered Roller Bearing
Harbormaster Marine, Inc
5950-00-228-0772 INTERCHANGEABLE
Transformer,audio Frequency
5950-00-645-4386 INTERCHANGEABLE
Coil,radio Frequency
5935-00-687-1128EC4535 INTERCHANGEABLE
Connector,receptacle,electrical
Caton Connector Corporation Dba Caton Connector Corp
5940-00-957-266110018660-001 INTERCHANGEABLE
Terminal,stud
Us Army Aviation and Missile Command
5920-00-975-9834 INTERCHANGEABLE
Fuseholder,block
4940-01-478-00144535 INTERCHANGEABLE
Shop Equipment,utility
Better Engineering Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
4535 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
4535D Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
6240-00-044-4279INTERCHANGEABLE
LAMP,INCANDESCENT
4535
5940-00-079-8638INTERCHANGEABLE
TERMINAL,STUD
11-423-4-01
3110-00-101-1789INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
13267
5950-00-228-0772INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-00-645-4386INTERCHANGEABLE
COIL,RADIO FREQUENCY
5935-00-687-1128INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
EC4535
5940-00-957-2661INTERCHANGEABLE
TERMINAL,STUD
10018660-001
5920-00-975-9834INTERCHANGEABLE
FUSEHOLDER,BLOCK
4940-01-478-0014INTERCHANGEABLE
SHOP EQUIPMENT,UTILITY
4535

Frequently Asked Questions

What is NSN 4810-01-130-5529?

NSN 4810-01-130-5529 is a Valve Assembly,drain, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-130-5529?

NSN 4810-01-130-5529 has 2 cross-referenced part numbers: 4535 (Howell Laboratories Inc Dba Howell Laboratories Inc), 4535D (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 4810-01-130-5529?

There are 9 known substitutes for 4810-01-130-5529: 6240-00-044-4279, 5940-00-079-8638, 3110-00-101-1789 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4535?

Key specifications for 4535: General Characteristics Item Description: CONSISTS OF 1 EA BRACKET P/N 4537B;2 EA VALVE,SOFT SEAT P/N 4506B-G501;2 EA VALVE,MODIFIED P/N 3821B-G502;4 EA STEEL PHOS COAT CONNECTOR P/N 3889B-4;4 EA BUNA-N O-RINGS P/N MS28778-4;2 EA THOMAS AND BETTS CONNECTOR P/N 3302;2 EA RUBBER SLEEVE P/N 4076B;2 EA STEEL PHOSCOAT NUT P/N 39848-4;2 EA CORROSION RESISTANT STEEL 17-4 PH SLEEVE P/N 3983B-4;4 EA STEEL,CADMIUM PLATED NO 10-32 ROLL HEADED MALE SCREWS;4 EA STEEL CADMIUM PLATE NO 10 LOCKWASHER;1 EA STAINLESS STEEL OR COPPER NICKEL TUBE 0.250 IN. OD BY 0.049 IN. WALL THK BY 5.500 IN. LONG;1 STAINLESS STEEL OR COPPER NICKEL TUBE 0.250 BY 0.049 IN. WALL THK BY 5.500 IN LG 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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