PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

612640-15Hose,air Duct

Stewart & Stevenson Power Products Llc · NSN 4720-01-268-8892 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-268-8892 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-268-8892. Primary manufacturer part number: 612640-15.
Features
  • Hose,air Duct — FSC 4720
  • Measuring Method and Length: 12.750 INCHES NOMINAL OVERALL IN
  • Style Designator: FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS
  • Cross-Sectional Shape Style: ROUND
  • Inside Diameter: 2.750 INCHES NOMINAL FIRST END IN
  • 5 verified cross-references
  • Primary manufacturer: Stewart & Stevenson Power Products Llc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-01-268-8892, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Stewart & Stevenson Power Products Llc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-268-8892
Primary Part Number612640-15
Item NameHose,air Duct
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerStewart & Stevenson Power Products Llc
StatusACTIVE
Measuring Method and Length12.750 INCHES NOMINAL OVERALL IN
Style DesignatorFULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS
Cross-Sectional Shape StyleROUND
Inside Diameter2.750 INCHES NOMINAL FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5120-00-277-8306XDH4046 INTERCHANGEABLE
Wrench,box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
4730-01-003-3296274-81 INTERCHANGEABLE
Reducer,boss
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
3030-01-269-79303/5M1000JB INTERCHANGEABLE
Belt,v
Gates Corporation
3020-01-269-9718612640-05 INTERCHANGEABLE
Pulley,groove
Bfm Transport Dynamics Corp
3020-01-269-9719612640-07 INTERCHANGEABLE
Pulley,groove
Bfm Transport Dynamics Corp
4730-01-270-7143 INTERCHANGEABLE
Clamp,hose,special-Shaped
5985-01-350-41351569AS1010-6 INTERCHANGEABLE
Divider,power,radio Frequency
Naval Air Warfare Center Aircraft Div
5305-01-503-89838310016 INTERCHANGEABLE
Screw,assembled Washer
Jlg Industries, Inc.
6910-01-600-6755S500.10 INTERCHANGEABLE
Birthing Mechanism,childbirth Si
Gaumard Scientific Co, Inc Div Gaumard Scientific Company, Inc.
Cross-Reference Index
Part NumberManufacturer
612640-15 Bfm Transport Dynamics Corp (USA)
612640 Bfm Transport Dynamics Corp (USA)
2748144 Paxton Products Inc (USA)
612640-15 PRIMARY Stewart & Stevenson Power Products Llc (USA)
27481 Paxton Products Inc (USA)
Related Parts
5120-00-277-8306INTERCHANGEABLE
WRENCH,BOX
XDH4046
4730-01-003-3296INTERCHANGEABLE
REDUCER,BOSS
274-81
3030-01-269-7930INTERCHANGEABLE
BELT,V
3/5M1000JB
3020-01-269-9718INTERCHANGEABLE
PULLEY,GROOVE
612640-05
3020-01-269-9719INTERCHANGEABLE
PULLEY,GROOVE
612640-07
4730-01-270-7143INTERCHANGEABLE
CLAMP,HOSE,SPECIAL-SHAPED
5985-01-350-4135INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
1569AS1010-6
5305-01-503-8983INTERCHANGEABLE
SCREW,ASSEMBLED WASHER
8310016
6910-01-600-6755INTERCHANGEABLE
BIRTHING MECHANISM,CHILDBIRTH SI
S500.10

Frequently Asked Questions

What is NSN 4720-01-268-8892?

NSN 4720-01-268-8892 is a Hose,air Duct, manufactured by Stewart & Stevenson Power Products Llc, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-268-8892?

NSN 4720-01-268-8892 has 5 cross-referenced part numbers: 612640-15 (Bfm Transport Dynamics Corp), 612640 (Bfm Transport Dynamics Corp), 2748144 (Paxton Products Inc), 612640-15 (Stewart & Stevenson Power Products Llc), 27481 (Paxton Products Inc).

What NSN replaces 4720-01-268-8892?

There are 9 known substitutes for 4720-01-268-8892: 5120-00-277-8306, 4730-01-003-3296, 3030-01-269-7930 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 612640-15?

Key specifications for 612640-15: Measuring Method and Length: 12.750 INCHES NOMINAL OVERALL IN; Style Designator: FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS; Cross-Sectional Shape Style: ROUND; Inside Diameter: 2.750 INCHES NOMINAL FIRST END 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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