PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52320Tee,sweat Fitting

Mine Safety Appliances Company · NSN 4240-01-177-9281 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-177-9281 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-177-9281. Primary manufacturer part number: 52320.
Features
  • Tee,sweat Fitting — FSC 4240
  • 1 verified cross-reference
  • Primary manufacturer: Mine Safety Appliances Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tee,sweat Fitting, cataloged under National Stock Number 4240-01-177-9281, is classified within Federal Supply Class 4240 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Mine Safety Appliances Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTee,sweat Fitting
FSC / FSG4240 — No Item Name Available (FSG 42)
ManufacturersMine Safety Appliances Company (CAGE 55799)
Technical Specifications
ParameterValue
NSN4240-01-177-9281
Primary Part Number52320
Item NameTee,sweat Fitting
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerMine Safety Appliances Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5935-00-626-3248SM-B-157087 INTERCHANGEABLE
Cover,electrical Connector
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3455-01-042-0876 INTERCHANGEABLE
Cutter,milling,end
5950-01-155-240752320 INTERCHANGEABLE
Transformer,power
Standex Electronics, Inc.
5985-01-166-575152320 INTERCHANGEABLE
Plate,mounting,antenna Cover
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
5130-01-208-775952320 INTERCHANGEABLE
Bit,wire Wrapping Tool
Standard Pneumatic Motor Co
5210-01-497-2886449AZ-6R INTERCHANGEABLE
Gage,depth,micrometer
L.s. Starrett Company (the) Div Tool Division
Cross-Reference Index
Part NumberManufacturer
52320 PRIMARY Mine Safety Appliances Company (USA)
Related Parts
5935-00-626-3248INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
SM-B-157087
3455-01-042-0876INTERCHANGEABLE
CUTTER,MILLING,END
5950-01-155-2407INTERCHANGEABLE
TRANSFORMER,POWER
52320
5985-01-166-5751INTERCHANGEABLE
PLATE,MOUNTING,ANTENNA COVER
52320
5130-01-208-7759INTERCHANGEABLE
BIT,WIRE WRAPPING TOOL
52320
5210-01-497-2886INTERCHANGEABLE
GAGE,DEPTH,MICROMETER
449AZ-6R

Frequently Asked Questions

What is NSN 4240-01-177-9281?

NSN 4240-01-177-9281 is a Tee,sweat Fitting, manufactured by Mine Safety Appliances Company, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-177-9281?

NSN 4240-01-177-9281 has 1 cross-referenced part number: 52320 (Mine Safety Appliances Company).

What NSN replaces 4240-01-177-9281?

There are 6 known substitutes for 4240-01-177-9281: 5935-00-626-3248, 3455-01-042-0876, 5950-01-155-2407 and 3 more. Verify interchangeability with system specifications before substitution.

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