PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11659Parts Kit,valve

Windham Lifts Inc · NSN 4820-01-252-8457 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-252-8457 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-252-8457. Primary manufacturer part number: 11659.
Features
  • Parts Kit,valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Windham Lifts Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Parts Kit,valve, cataloged under National Stock Number 4820-01-252-8457, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Windham Lifts Inc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameParts Kit,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersWindham Lifts Inc (CAGE 62080); Mathers Mechanical Llc (CAGE 63888)
Technical Specifications
ParameterValue
NSN4820-01-252-8457
Primary Part Number11659
Item NameParts Kit,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWindham Lifts Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5120-00-104-1720 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
5340-00-427-45611174H INTERCHANGEABLE
Clevis,rod End
Oshkosh Defense Llc
5815-00-703-1522SM-B-197101 INTERCHANGEABLE
Plate
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-00-802-928911659 INTERCHANGEABLE
Coupling Half,quick Disconnect
Mcneil Ohio Corp
5935-00-848-2083 INTERCHANGEABLE
Connector,plug,electrical
4820-01-252-7930 INTERCHANGEABLE
Valve,linear,directional Control
4820-01-252-9236 INTERCHANGEABLE
Valve,check
4820-01-253-3550 INTERCHANGEABLE
Valve,safety Relief
6230-01-605-304911659 INTERCHANGEABLE
Actuator,door
Carlisle & Finch Co
Cross-Reference Index
Part NumberManufacturer
11659 Windham Lifts Inc (USA)
9120-0590-18 Mathers Mechanical Llc (USA)
11552D Mathers Mechanical Llc (USA)
Related Parts
5120-00-104-1720INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
5340-00-427-4561INTERCHANGEABLE
CLEVIS,ROD END
1174H
5815-00-703-1522INTERCHANGEABLE
PLATE
SM-B-197101
4730-00-802-9289INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
11659
5935-00-848-2083INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4820-01-252-7930INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
4820-01-252-9236INTERCHANGEABLE
VALVE,CHECK
4820-01-253-3550INTERCHANGEABLE
VALVE,SAFETY RELIEF
6230-01-605-3049INTERCHANGEABLE
ACTUATOR,DOOR
11659

Frequently Asked Questions

What is NSN 4820-01-252-8457?

NSN 4820-01-252-8457 is a Parts Kit,valve, manufactured by Windham Lifts Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-252-8457?

NSN 4820-01-252-8457 has 3 cross-referenced part numbers: 11659 (Windham Lifts Inc), 9120-0590-18 (Mathers Mechanical Llc), 11552D (Mathers Mechanical Llc).

What NSN replaces 4820-01-252-8457?

There are 9 known substitutes for 4820-01-252-8457: 5120-00-104-1720, 5340-00-427-4561, 5815-00-703-1522 and 6 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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