PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26-187Washer,shouldered

Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes) · NSN 5310-00-121-7629 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-121-7629 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-121-7629. Primary manufacturer part number: 26-187.
Features
  • Washer,shouldered — FSC 5310
  • Shoulder Diameter: 0.900 INCHES NOMINAL IN
  • Style Designator: SHOULDERED
  • Heat Treatment: T-4 SOLUTION HEAT TREATED, NATURAL AGED
  • Shoulder Height: 0.125 INCHES NOMINAL IN
  • Outside Diameter: 1.012 INCHES MINIMUM AND 1.017 INCHES MAXIMUM IN
  • Surface Treatment: ANODIZE OVERALL
  • Material: ALUMINUM ALLOY 2024 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Washer,shouldered, cataloged under National Stock Number 5310-00-121-7629, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes). Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-121-7629
Primary Part Number26-187
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGoodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
StatusACTIVE
Shoulder Diameter0.900 INCHES NOMINAL IN
Style DesignatorSHOULDERED
Heat TreatmentT-4 SOLUTION HEAT TREATED, NATURAL AGED
Shoulder Height0.125 INCHES NOMINAL IN
Outside Diameter1.012 INCHES MINIMUM AND 1.017 INCHES MAXIMUM IN
Surface TreatmentANODIZE OVERALL
MaterialALUMINUM ALLOY 2024 OVERALL
Surface Treatment Document and ClassificationES6,45HARD,FSCM 97153 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Material Document and ClassificationQQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Material Thickness0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
Hole Diameter0.314 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-277-2323 INTERCHANGEABLE
Wrench,open End
5330-00-429-068022F37 INTERCHANGEABLE
Gasket
Oshkosh Defense Llc
5355-00-821-637990-1LK2G INTERCHANGEABLE
Knob
Raytheon Company Div Corp
5985-01-224-586511442257-1 INTERCHANGEABLE
Coupler,directional
Us Army Aviation and Missile Command
5998-01-344-306026187 INTERCHANGEABLE
Circuit Card Assembly
Clayton Manufacturing Company
7220-01-411-2979000-48011-26187-4 INTERCHANGEABLE
Mat,floor
3m Company
1240-01-542-708426187 INTERCHANGEABLE
Case,optical Instrument
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
26-187 PRIMARY Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes) (USA)
Related Parts
5120-00-277-2323INTERCHANGEABLE
WRENCH,OPEN END
5330-00-429-0680INTERCHANGEABLE
GASKET
22F37
5355-00-821-6379INTERCHANGEABLE
KNOB
90-1LK2G
5985-01-224-5865INTERCHANGEABLE
COUPLER,DIRECTIONAL
11442257-1
5998-01-344-3060INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
26187
7220-01-411-2979INTERCHANGEABLE
MAT,FLOOR
000-48011-26187-4
1240-01-542-7084INTERCHANGEABLE
CASE,OPTICAL INSTRUMENT
26187

Frequently Asked Questions

What is NSN 5310-00-121-7629?

NSN 5310-00-121-7629 is a Washer,shouldered, manufactured by Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes), classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-121-7629?

NSN 5310-00-121-7629 has 1 cross-referenced part number: 26-187 (Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)).

What NSN replaces 5310-00-121-7629?

There are 7 known substitutes for 5310-00-121-7629: 5120-00-277-2323, 5330-00-429-0680, 5355-00-821-6379 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26-187?

Key specifications for 26-187: Shoulder Diameter: 0.900 INCHES NOMINAL IN; Style Designator: SHOULDERED; Heat Treatment: T-4 SOLUTION HEAT TREATED, NATURAL AGED; Shoulder Height: 0.125 INCHES NOMINAL IN. 11 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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