PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56-250Elbow,tube

Hdt Expeditionary Systems Inc · NSN 4730-01-533-6293 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-533-6293 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-533-6293. Primary manufacturer part number: 56-250.
Features
  • Elbow,tube — FSC 4730
  • Flow Angle: 90.0 DEGREES
  • 4 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Elbow,tube, cataloged under National Stock Number 4730-01-533-6293, 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 Hdt Expeditionary Systems Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-533-6293
Primary Part Number56-250
Item NameElbow,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Flow Angle90.0 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2805-00-294-9996 INTERCHANGEABLE
Breather
5310-00-317-4405 INTERCHANGEABLE
Nut,rotor
1630-00-562-1537 INTERCHANGEABLE
Retainer,felt
Cross-Reference Index
Part NumberManufacturer
56-250 PRIMARY Hdt Expeditionary Systems Inc (USA)
56-250 Hdt Tactical Power, Inc. (USA)
56-250 Gt Exhaust Systems Inc (USA)
4000255 Hdt Tactical Power, Inc. (USA)
Related Parts
2805-00-294-9996INTERCHANGEABLE
BREATHER
5310-00-317-4405INTERCHANGEABLE
NUT,ROTOR
1630-00-562-1537INTERCHANGEABLE
RETAINER,FELT

Frequently Asked Questions

What is NSN 4730-01-533-6293?

NSN 4730-01-533-6293 is a Elbow,tube, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-533-6293?

NSN 4730-01-533-6293 has 4 cross-referenced part numbers: 56-250 (Hdt Expeditionary Systems Inc), 56-250 (Hdt Tactical Power, Inc.), 56-250 (Gt Exhaust Systems Inc), 4000255 (Hdt Tactical Power, Inc.).

What NSN replaces 4730-01-533-6293?

There are 3 known substitutes for 4730-01-533-6293: 2805-00-294-9996, 5310-00-317-4405, 1630-00-562-1537. Verify interchangeability with system specifications before substitution.

What are the specifications of 56-250?

Key specifications for 56-250: Special Features: ONE END HAS A SLOTTED OPENING IN THE MIDDLE OF THE TUBE; Flow Angle: 90.0 DEGREES; End Item Identification: PU-820/T, GENERATOR SET, DIESEL ENGINE; Part Name Assigned by Controlling Agency: ELBOW 90 SHORT RADIUS TUBE 2.50 INCH SLOTTED IN. 4 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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