PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50257Expansion Joint,pipe

Hyspan Precision Products, Inc. · NSN 4730-01-432-3876 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-432-3876 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-432-3876. Primary manufacturer part number: 50257.
Features
  • Expansion Joint,pipe — FSC 4730
  • 4 verified cross-references
  • Primary manufacturer: Hyspan Precision Products, Inc.
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-432-3876, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Hyspan Precision Products, Inc.. This item has 4 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 NameExpansion Joint,pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersHyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (CAGE 30009); Hyspan Precision Products, Inc. (CAGE 70510)
Technical Specifications
ParameterValue
NSN4730-01-432-3876
Primary Part Number50257
Item NameExpansion Joint,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHyspan Precision Products, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-146-4823 INTERCHANGEABLE
Transformer,power
3020-00-203-1450SCB69329 INTERCHANGEABLE
Gear,spur
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-236-771450257 INTERCHANGEABLE
Switch,thermostatic
Wells Mfg Co
4730-00-595-025111711 INTERCHANGEABLE
Tee,pipe
Brinkley Technology Group Llc Dba Hercules Manufacturing
5325-00-981-018150-257 INTERCHANGEABLE
Ring,retaining
Motorola Solutions Danmark A/s
5330-01-236-05046139024-7 INTERCHANGEABLE
Gasket
Naval Facilities Engineering Command
6660-01-313-644450257 INTERCHANGEABLE
Maintenance Kit,sensor
Lightning Location and Protection Inc
4810-01-556-60435025-7 INTERCHANGEABLE
Valve,solenoid
Gt Development Corp
2530-01-563-849450257BLKCARC INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
Accuride Corporation Dba Accuride Distributing Llc
Cross-Reference Index
Part NumberManufacturer
50257 Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (USA)
50257REVB Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc (USA)
50257REVB Hyspan Precision Products, Inc. (USA)
50257 PRIMARY Hyspan Precision Products, Inc. (USA)
Related Parts
5950-00-146-4823INTERCHANGEABLE
TRANSFORMER,POWER
3020-00-203-1450INTERCHANGEABLE
GEAR,SPUR
SCB69329
5930-00-236-7714INTERCHANGEABLE
SWITCH,THERMOSTATIC
50257
4730-00-595-0251INTERCHANGEABLE
TEE,PIPE
11711
5325-00-981-0181INTERCHANGEABLE
RING,RETAINING
50-257
5330-01-236-0504INTERCHANGEABLE
GASKET
6139024-7
6660-01-313-6444INTERCHANGEABLE
MAINTENANCE KIT,SENSOR
50257
4810-01-556-6043INTERCHANGEABLE
VALVE,SOLENOID
5025-7
2530-01-563-8494INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
50257BLKCARC

Frequently Asked Questions

What is NSN 4730-01-432-3876?

NSN 4730-01-432-3876 is a Expansion Joint,pipe, manufactured by Hyspan Precision Products, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-432-3876?

NSN 4730-01-432-3876 has 4 cross-referenced part numbers: 50257 (Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc), 50257REVB (Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc), 50257REVB (Hyspan Precision Products, Inc.), 50257 (Hyspan Precision Products, Inc.).

What NSN replaces 4730-01-432-3876?

There are 9 known substitutes for 4730-01-432-3876: 5950-00-146-4823, 3020-00-203-1450, 5930-00-236-7714 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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