PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11658Valve,check

Windham Lifts Inc · NSN 4820-01-252-9236 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-252-9236 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-252-9236. Primary manufacturer part number: 11658.
Features
  • Valve,check — 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 Valve,check, cataloged under National Stock Number 4820-01-252-9236, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,check
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersWindham Lifts Inc (CAGE 62080); Mathers Mechanical Llc (CAGE 63888)
Technical Specifications
ParameterValue
NSN4820-01-252-9236
Primary Part Number11658
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWindham Lifts Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-127-8543 INTERCHANGEABLE
Nut,special
5950-00-327-9323986117-1B INTERCHANGEABLE
Saturable Reactor
Raytheon Company Dba Raytheon
2940-00-350-5541B11658 INTERCHANGEABLE
Tube
Uniform Hood Lace Co
4820-00-442-7222 INTERCHANGEABLE
Valve,check
5365-00-701-7410SM-B-187356 INTERCHANGEABLE
Spacer,plate
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2910-00-980-229011658 INTERCHANGEABLE
Weight,governor
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4320-01-130-877611658 INTERCHANGEABLE
Pump,rotary
Westerbeke Corporation
3110-01-173-6512 INTERCHANGEABLE
Bearing,ball,annular
4820-01-252-7930 INTERCHANGEABLE
Valve,linear,directional Control
4820-01-252-8457 INTERCHANGEABLE
Parts Kit,valve
Cross-Reference Index
Part NumberManufacturer
11658 Windham Lifts Inc (USA)
9121-5450-57 Mathers Mechanical Llc (USA)
11552D Mathers Mechanical Llc (USA)
Related Parts
5310-00-127-8543INTERCHANGEABLE
NUT,SPECIAL
5950-00-327-9323INTERCHANGEABLE
SATURABLE REACTOR
986117-1B
2940-00-350-5541INTERCHANGEABLE
TUBE
B11658
4820-00-442-7222INTERCHANGEABLE
VALVE,CHECK
5365-00-701-7410INTERCHANGEABLE
SPACER,PLATE
SM-B-187356
2910-00-980-2290INTERCHANGEABLE
WEIGHT,GOVERNOR
11658
4320-01-130-8776INTERCHANGEABLE
PUMP,ROTARY
11658
3110-01-173-6512INTERCHANGEABLE
BEARING,BALL,ANNULAR
4820-01-252-7930INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
4820-01-252-8457INTERCHANGEABLE
PARTS KIT,VALVE
4820-01-253-3550INTERCHANGEABLE
VALVE,SAFETY RELIEF
6505-01-573-6397INTERCHANGEABLE
PROPRANOLOL HYDROCHLORIDE INJECT
NDC00143-9872-01

Frequently Asked Questions

What is NSN 4820-01-252-9236?

NSN 4820-01-252-9236 is a Valve,check, manufactured by Windham Lifts Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-252-9236?

NSN 4820-01-252-9236 has 3 cross-referenced part numbers: 11658 (Windham Lifts Inc), 9121-5450-57 (Mathers Mechanical Llc), 11552D (Mathers Mechanical Llc).

What NSN replaces 4820-01-252-9236?

There are 12 known substitutes for 4820-01-252-9236: 5310-00-127-8543, 5950-00-327-9323, 2940-00-350-5541 and 9 more. Verify interchangeability with system specifications before substitution.

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