PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5316Washer,key

Saginaw Products Corporation Dba Cignys · NSN 5310-00-639-3876 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-639-3876 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-639-3876. Primary manufacturer part number: 5316.
Features
  • Washer,key — FSC 5310
  • Distance From Centerline to Top of Internal Key: 0.333 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
  • Internal Key Quantity: 1
  • Hole Diameter: 1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
  • Outside Diameter: 1.875 INCHES NOMINAL IN
  • Style Designator: KEY
  • Internal Straight Key Width: 0.156 INCHES NOMINAL IN
  • Material Thickness: 0.119 INCHES NOMINAL IN
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 5310-00-639-3876, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Saginaw Products Corporation Dba Cignys. Government technical data includes 10 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-639-3876
Primary Part Number5316
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSaginaw Products Corporation Dba Cignys
StatusCANCELLED
Distance From Centerline to Top of Internal Key0.333 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
Internal Key Quantity1
Hole Diameter1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
Outside Diameter1.875 INCHES NOMINAL IN
Style DesignatorKEY
Internal Straight Key Width0.156 INCHES NOMINAL IN
Material Thickness0.119 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3110-00-156-5363177009-35 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-156-7967 INTERCHANGEABLE
Bearing,ball,annular
6515-00-171-145738-5316-1 INTERCHANGEABLE
Intravenous Injection Set
Becton Dickinson and Co Acutecare Div
5310-00-177-76554702-2 INTERCHANGEABLE
Washer,key
Pdi Ground Support Systems, Inc.
5306-00-243-8343 INTERCHANGEABLE
Bolt,eye
2990-00-374-10735316N INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
6685-00-527-7952 INTERCHANGEABLE
Thermometer,self-Indicating
1650-00-719-46735316 INTERCHANGEABLE
Parts Kit,valve Ass
Hydro-Aire Aerospace Corp
1450-01-030-549653-16 INTERCHANGEABLE
Arm,offset
Leica Inc Surveying and Photogrammetry Systems Div
5930-01-310-3004873-01 ITEM 3 INTERCHANGEABLE
Switch,toggle
Hose-Mccann Telephone Co, Inc
Cross-Reference Index
Part NumberManufacturer
5316 PRIMARY Saginaw Products Corporation Dba Cignys (USA)
Related Parts
3110-00-156-5363INTERCHANGEABLE
BEARING,BALL,ANNULAR
177009-35
3110-00-156-7967INTERCHANGEABLE
BEARING,BALL,ANNULAR
6515-00-171-1457INTERCHANGEABLE
INTRAVENOUS INJECTION SET
38-5316-1
5310-00-177-7655INTERCHANGEABLE
WASHER,KEY
4702-2
5306-00-243-8343INTERCHANGEABLE
BOLT,EYE
2990-00-374-1073INTERCHANGEABLE
MUFFLER,EXHAUST
5316N
6685-00-527-7952INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
1650-00-719-4673INTERCHANGEABLE
PARTS KIT,VALVE ASS
5316
1450-01-030-5496INTERCHANGEABLE
ARM,OFFSET
53-16
5930-01-310-3004INTERCHANGEABLE
SWITCH,TOGGLE
873-01 ITEM 3
6145-01-423-4063INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5316C

Frequently Asked Questions

What is NSN 5310-00-639-3876?

NSN 5310-00-639-3876 is a Washer,key, manufactured by Saginaw Products Corporation Dba Cignys, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-639-3876?

NSN 5310-00-639-3876 has 1 cross-referenced part number: 5316 (Saginaw Products Corporation Dba Cignys).

What NSN replaces 5310-00-639-3876?

There are 11 known substitutes for 5310-00-639-3876: 3110-00-156-5363, 3110-00-156-7967, 6515-00-171-1457 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5316?

Key specifications for 5316: Distance From Centerline to Top of Internal Key: 0.333 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN; Internal Key Quantity: 1; Hole Diameter: 1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN; Outside Diameter: 1.875 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-639-3876 still in active supply?

NSN 5310-00-639-3876 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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