PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10-2551-2Duct,flexible Inlet

The Boeing Company Div Legacy Wichita · NSN 1560-00-646-9012 · FSC 1560 · No Item Name Available
Verified by PartsTable
NSN 1560-00-646-9012 — this item is cataloged by the U.S. Government under National Stock Number 1560-00-646-9012. Primary manufacturer part number: 10-2551-2.
Features
  • Duct,flexible Inlet — FSC 1560
  • Material: STEEL CORROSION RESISTING
  • General Characteristics Item Description: CRES,MIL-S-6721,3.000 IN. LG,0.025 IN. THK MATL IN
  • 10 verified cross-references
  • Primary manufacturer: The Boeing Company Div Legacy Wichita
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Duct,flexible Inlet, cataloged under National Stock Number 1560-00-646-9012, is classified within Federal Supply Class 1560 (No Item Name Available) of the Aircraft and Airframe Components group. The primary manufacturer of record is The Boeing Company Div Legacy Wichita. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1560-00-646-9012
Primary Part Number10-2551-2
Item NameDuct,flexible Inlet
FSC / FSG1560 / 15 — No Item Name Available
ManufacturerThe Boeing Company Div Legacy Wichita
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
General Characteristics Item DescriptionCRES,MIL-S-6721,3.000 IN. LG,0.025 IN. THK MATL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6685-00-031-830110255-1 INTERCHANGEABLE
Weight,indicator Tester
Meggitt (new Hampshire), Inc
5977-00-280-3364S2101 INTERCHANGEABLE
Brush,electrical Contact
Graphite Metallizing Corporation Dba Graphite Metallizing Corp
2915-00-657-0176102-551 INTERCHANGEABLE
Body Assembly,main Fuel
Hamilton Sundstrand Corporation
1005-00-934-2467102551 INTERCHANGEABLE
Box,ammunition
Cadillac Gage Textron Inc.
3110-01-158-0263102551 INTERCHANGEABLE
Bearing
Middleby Marshall Inc Conveyor Ovens and Mixers Div
4820-01-209-217415277-3SW INTERCHANGEABLE
Valve,angle
Dragon Valves Inc
Cross-Reference Index
Part NumberManufacturer
10-2551-2 The Boeing Company Div Legacy Large AC Spares (USA)
13442-100 Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA)
1210087-101 Radius Aerospace - San Diego, Inc. (USA)
13442-100 Senior Operations Llc Div Senior Aerospace Ssp (USA)
10-2551 The Boeing Company Div Defense (USA)
10-2551-2 The Boeing Company Div Defense (USA)
10-2551-2 PRIMARY The Boeing Company Div Legacy Wichita (USA)
10-2551-2 Senior Operations Llc Div Senior Aerospace Ssp (USA)
13442-100 Radius Aerospace - San Diego, Inc. (USA)
13442-100 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
6685-00-031-8301INTERCHANGEABLE
WEIGHT,INDICATOR TESTER
10255-1
5977-00-280-3364INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
S2101
2915-00-657-0176INTERCHANGEABLE
BODY ASSEMBLY,MAIN FUEL
102-551
1005-00-934-2467INTERCHANGEABLE
BOX,AMMUNITION
102551
3110-01-158-0263INTERCHANGEABLE
BEARING
102551
4820-01-209-2174INTERCHANGEABLE
VALVE,ANGLE
15277-3SW

Frequently Asked Questions

What is NSN 1560-00-646-9012?

NSN 1560-00-646-9012 is a Duct,flexible Inlet, manufactured by The Boeing Company Div Legacy Wichita, classified under FSC 1560 (No Item Name Available). Status: active.

What are the part numbers for NSN 1560-00-646-9012?

NSN 1560-00-646-9012 has 10 cross-referenced part numbers: 10-2551-2 (The Boeing Company Div Legacy Large AC Spares), 13442-100 (Solar Turbines Incorporated Dba Solar Turbines Incorporated), 1210087-101 (Radius Aerospace - San Diego, Inc.), 13442-100 (Senior Operations Llc Div Senior Aerospace Ssp), 10-2551 (The Boeing Company Div Defense) and 5 more.

What NSN replaces 1560-00-646-9012?

There are 6 known substitutes for 1560-00-646-9012: 6685-00-031-8301, 5977-00-280-3364, 2915-00-657-0176 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10-2551-2?

Key specifications for 10-2551-2: End Item Identification: ACFT MODEL C-135; Material: STEEL CORROSION RESISTING; General Characteristics Item Description: CRES,MIL-S-6721,3.000 IN. LG,0.025 IN. THK MATL IN; Overall Length: 3.00 INCHES NOMINAL 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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