PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55AC17065Washer,key

Fwd Seagrave Holdings Lp · NSN 5310-00-518-6716 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-518-6716 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-518-6716. Primary manufacturer part number: 55AC17065.
Features
  • Washer,key — FSC 5310
  • Distance From Centerline to Top of Internal Key: 0.2525 INCHES NOMINAL IN
  • Internal Key Quantity: 1
  • Hole Diameter: 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
  • Outside Diameter: 1.250 INCHES NOMINAL IN
  • Features Provided: CASEHARDENED
  • Style Designator: KEY
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-518-6716, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 9 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-518-6716
Primary Part Number55AC17065
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusACTIVE
Distance From Centerline to Top of Internal Key0.2525 INCHES NOMINAL IN
Internal Key Quantity1
Hole Diameter0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Outside Diameter1.250 INCHES NOMINAL IN
Features ProvidedCASEHARDENED
Style DesignatorKEY
MaterialSTEEL OVERALL
Material Thickness0.125 INCHES NOMINAL IN
Internal Straight Key Width0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2540-00-050-0810 INTERCHANGEABLE
Arm,windshield Wiper
5133-00-236-3406 INTERCHANGEABLE
Drill,twist
2940-00-529-274151062 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
6105-00-870-24985106-002 INTERCHANGEABLE
Motor,alternating Current
Raytheon Company Div Rmd Strategic
5133-01-064-192951062 INTERCHANGEABLE
Drill,masonry,power Hammer
Black and Decker Us Inc
7510-01-155-31753010 INTERCHANGEABLE
Ribbon,inking
Supplies Intl
5995-01-196-82355186716 INTERCHANGEABLE
Cable Assembly,electric
Naval Sea Systems Command
7025-01-387-367451062 INTERCHANGEABLE
Stripper,disk Drive,bottom
Shugart Corp Dba Intl Assembly Specialists
Cross-Reference Index
Part NumberManufacturer
55AC17065 PRIMARY Fwd Seagrave Holdings Lp (USA)
51062 White Motor Corp (USA)
4A7907 PRIMARY Napco International Llc Dba Napco International Inc (USA)
5TL072 PRIMARY Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
C17065 PRIMARY Schwitzer Engine Components a Household Intl Co (USA)
5186716 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
13213J Diamond Reo Truck Co (USA)
X12161 Seagrave Corp the (USA)
Related Parts
2540-00-050-0810INTERCHANGEABLE
ARM,WINDSHIELD WIPER
5133-00-236-3406INTERCHANGEABLE
DRILL,TWIST
2940-00-529-2741INTERCHANGEABLE
FILTER ELEMENT,FLUID
51062
6105-00-870-2498INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5106-002
5133-01-064-1929INTERCHANGEABLE
DRILL,MASONRY,POWER HAMMER
51062
7510-01-155-3175INTERCHANGEABLE
RIBBON,INKING
3010
5995-01-196-8235INTERCHANGEABLE
CABLE ASSEMBLY,ELECTRIC
5186716
7025-01-387-3674INTERCHANGEABLE
STRIPPER,DISK DRIVE,BOTTOM
51062

Frequently Asked Questions

What is NSN 5310-00-518-6716?

NSN 5310-00-518-6716 is a Washer,key, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-518-6716?

NSN 5310-00-518-6716 has 8 cross-referenced part numbers: 55AC17065 (Fwd Seagrave Holdings Lp), 51062 (White Motor Corp), 4A7907 (Napco International Llc Dba Napco International Inc), 5TL072 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)), C17065 (Schwitzer Engine Components a Household Intl Co) and 3 more.

What NSN replaces 5310-00-518-6716?

There are 8 known substitutes for 5310-00-518-6716: 2540-00-050-0810, 5133-00-236-3406, 2940-00-529-2741 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55AC17065?

Key specifications for 55AC17065: Distance From Centerline to Top of Internal Key: 0.2525 INCHES NOMINAL IN; Internal Key Quantity: 1; Hole Diameter: 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; Outside Diameter: 1.250 INCHES NOMINAL IN. 9 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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