PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S88Beam,structural

Textron Aviation Inc · NSN 9540-00-288-0495 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-288-0495 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-288-0495. Primary manufacturer part number: S88.
Features
  • Beam,structural — FSC 9540
  • Second Tip Relationship to First Tip: IDENTICAL
  • Top Flange Width: 2.250 INCHES NOMINAL IN
  • Basic Shape Style: T SHAPE
  • Right Side Top Flange Distance to Center of Both Flanges: 1.125 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 7075
  • Left Side Top Flange Thickness: 0.062 INCHES NOMINAL IN
  • First Tip Style: SQUARE END
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-00-288-0495, is classified within Federal Supply Class 9540 (No Item Name Available) of the Metal Bars, Sheets, and Shapes group. The primary manufacturer of record is Textron Aviation Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-288-0495
Primary Part NumberS88
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerTextron Aviation Inc
StatusACTIVE
Second Tip Relationship to First TipIDENTICAL
Top Flange Width2.250 INCHES NOMINAL IN
Basic Shape StyleT SHAPE
Right Side Top Flange Distance to Center of Both Flanges1.125 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 7075
Left Side Top Flange Thickness0.062 INCHES NOMINAL IN
First Tip StyleSQUARE END
Fabrication MethodEXTRUDED
Third Tip Relationship to Preceding TipsIDENTICAL W/FIRST TIP
Fillet Radius Where Top Right Flange Joins Web Flange/leg0.062 INCHES NOMINAL IN
Weight Per Unit Measure0.300 POUNDS PER LINEAR FOOT LBS
Left Top Inside Angle90.0 DEGREES NOMINAL
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std DataT6 TEMPER
Heat TreatmentT-6 SOLUTION HEAT TREATED
Fillet Radius Where Top Left Flange Joins Web Flange/leg0.062 INCHES NOMINAL IN
Left Side Top Flange Distance to Center of Both Flanges1.125 INCHES NOMINAL IN
Right Side Top Flange Thickness0.062 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Leg Thickness0.062 INCHES NOMINAL IN
Right Top Inside Angle90.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5306-00-052-7579S8-8 INTERCHANGEABLE
Bolt,special
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
3455-00-222-4064 INTERCHANGEABLE
File,rotary
5940-00-230-0480 INTERCHANGEABLE
Terminal,lug
2040-00-385-8942S88 INTERCHANGEABLE
Cylinder
Gross Mechanical Laboratories Inc
2810-00-479-138769222 INTERCHANGEABLE
Ring-Pack 17-92 in
Curtiss-Wright Controls, Inc. Div Actuation Division
9540-00-596-3229 INTERCHANGEABLE
Beam,structural
9540-01-072-1179 INTERCHANGEABLE
Beam,structural
2940-01-233-084725055052 INTERCHANGEABLE
Filter,fluid
General Motors Llc Dba General Motors Llc
9540-01-241-5211 INTERCHANGEABLE
Beam,structural
5331-01-312-0626 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
S88 Textron Aviation Inc (USA)
DIE PA6218 Transtar Metals Corp (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
33481 Aluminum Co of America (USA)
S88 Cessna Aircraft Company Dba Textron Aviation (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
69222 Northrop Grumman Systems Corporation (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
Related Parts
5306-00-052-7579INTERCHANGEABLE
BOLT,SPECIAL
S8-8
3455-00-222-4064INTERCHANGEABLE
FILE,ROTARY
5940-00-230-0480INTERCHANGEABLE
TERMINAL,LUG
2040-00-385-8942INTERCHANGEABLE
CYLINDER
S88
2810-00-479-1387INTERCHANGEABLE
RING-PACK 17-92 IN
69222
9540-00-596-3229INTERCHANGEABLE
BEAM,STRUCTURAL
9540-01-072-1179INTERCHANGEABLE
BEAM,STRUCTURAL
2940-01-233-0847INTERCHANGEABLE
FILTER,FLUID
25055052
9540-01-241-5211INTERCHANGEABLE
BEAM,STRUCTURAL
5331-01-312-0626INTERCHANGEABLE
O-RING
6532-01-372-1124INTERCHANGEABLE
CAP,OPERATING,SURGICAL
69222
5330-01-711-1943INTERCHANGEABLE
GASKET
5157T31P04 / 99207

Frequently Asked Questions

What is NSN 9540-00-288-0495?

NSN 9540-00-288-0495 is a Beam,structural, manufactured by Textron Aviation Inc, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-288-0495?

NSN 9540-00-288-0495 has 8 cross-referenced part numbers: S88 (Textron Aviation Inc), DIE PA6218 (Transtar Metals Corp), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), 33481 (Aluminum Co of America), S88 (Cessna Aircraft Company Dba Textron Aviation) and 3 more.

What NSN replaces 9540-00-288-0495?

There are 12 known substitutes for 9540-00-288-0495: 5306-00-052-7579, 3455-00-222-4064, 5940-00-230-0480 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S88?

Key specifications for S88: Second Tip Relationship to First Tip: IDENTICAL; Top Flange Width: 2.250 INCHES NOMINAL IN; Basic Shape Style: T SHAPE; Right Side Top Flange Distance to Center of Both Flanges: 1.125 INCHES NOMINAL IN. 22 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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