PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D15-700MPC811Washer,key

Westinghouse Electric Corp · NSN 5310-00-186-0964 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-186-0964 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-186-0964. Primary manufacturer part number: D15-700MPC811.
Features
  • Washer,key — FSC 5310
  • Internal Prebent Key Length: 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
  • Outside Diameter: 1.281 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN
  • Style Designator: KEY
  • Overall Distance Including Keys: 1.719 INCHES MAXIMUM IN
  • External Prebent Key Width: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
  • External Key Quantity: 13
  • Hole Diameter: 0.989 INCHES MINIMUM AND 1.009 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1005 or Steel Comp 1006 or Steel Comp 1008 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-186-0964, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Westinghouse Electric Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 24 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-186-0964
Primary Part NumberD15-700MPC811
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusCANCELLED
Internal Prebent Key Length0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
Outside Diameter1.281 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN
Style DesignatorKEY
Overall Distance Including Keys1.719 INCHES MAXIMUM IN
External Prebent Key Width0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
External Key Quantity13
Hole Diameter0.989 INCHES MINIMUM AND 1.009 INCHES MAXIMUM IN
Internal Prebent Key Width0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
MaterialSTEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OVERALL
Material Document and ClassificationAISI ASSN STD ALL MATERIAL RESPONSES OR SAE ASSN STD 2ND MATERIAL RESPONSE OR SAE ASSN STD 3RD MATERIAL RESPONSE OVERALL
Material Thickness0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
Hardness Rating50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5841-00-090-6346651418 INTERCHANGEABLE
Arm Lever
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
3110-00-120-4467070118 INTERCHANGEABLE
Bearing,ball,thrust
Hoffman/new Yorker, Inc.
5305-00-207-20611-33ALT1PC30 INTERCHANGEABLE
Setscrew
The Dewey Electronics Corporation Div Pitometer Log Division
4920-00-225-012023305 INTERCHANGEABLE
Power Supply,adjust
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
5310-00-226-5978 INTERCHANGEABLE
Washer,key
5136-00-228-1008 INTERCHANGEABLE
Tap,thread Cutting
5136-00-261-3214 INTERCHANGEABLE
Tap,thread Cutting
5999-00-265-7847 INTERCHANGEABLE
Cap,electrical
5365-00-285-77041004497 INTERCHANGEABLE
Bushing,nonmetallic
Us Army Aviation and Missile Command
3120-00-288-1062ATF96S2601-395385ALT1PC5 INTERCHANGEABLE
Bearing,sleeve
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
107372PC406 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
107266PC375 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
60217BPC335 Boston Naval Shipyard (USA)
DC69147WAMPC335 Boston Naval Shipyard (USA)
NFK2601MARPC13 Norfolk Naval Shipyard (USA)
D15-700MPC811 PRIMARY Westinghouse Electric Corp (USA)
SL4909PC58 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
16776-00 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
G9963PC55 PRIMARY Siemens Energy, Inc. (USA)
56811-45 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
G9725PC70 PRIMARY Circor Pumps North America Llc (USA)
53-101-916ITEM30 Allis-Chalmers Corp (USA)
60341EPC1054 PRIMARY Patterson Pump Co Div Patterson Pump Company (USA)
G9981PC126 PRIMARY Siemens Energy, Inc. (USA)
CUT111-0002PC113 Tuthill Corporation Div Coppus Portable Ventilation Division (USA)
107252PC375 Siemens Energy, Inc. Dba Dresser-Rand (USA)
G7986PC70 PRIMARY Siemens Energy, Inc. (USA)
G7933PC70 PRIMARY Siemens Energy, Inc. (USA)
13AF10B8632APC44 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
G9927PC95 PRIMARY Siemens Energy, Inc. (USA)
Related Parts
5841-00-090-6346INTERCHANGEABLE
ARM LEVER
651418
3110-00-120-4467INTERCHANGEABLE
BEARING,BALL,THRUST
070118
5305-00-207-2061INTERCHANGEABLE
SETSCREW
1-33ALT1PC30
4920-00-225-0120INTERCHANGEABLE
POWER SUPPLY,ADJUST
23305
5310-00-226-5978INTERCHANGEABLE
WASHER,KEY
5136-00-228-1008INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-261-3214INTERCHANGEABLE
TAP,THREAD CUTTING
5999-00-265-7847INTERCHANGEABLE
CAP,ELECTRICAL
5365-00-285-7704INTERCHANGEABLE
BUSHING,NONMETALLIC
1004497
3120-00-288-1062INTERCHANGEABLE
BEARING,SLEEVE
ATF96S2601-395385ALT1PC5
5935-00-339-6360INTERCHANGEABLE
PLUG,TELEPHONE
250
5960-00-372-3625INTERCHANGEABLE
ELECTRON TUBE
4336P

Frequently Asked Questions

What is NSN 5310-00-186-0964?

NSN 5310-00-186-0964 is a Washer,key, manufactured by Westinghouse Electric Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-186-0964?

NSN 5310-00-186-0964 has 50 cross-referenced part numbers: 107372PC406 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 107266PC375 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 60217BPC335 (Boston Naval Shipyard), DC69147WAMPC335 (Boston Naval Shipyard), NFK2601MARPC13 (Norfolk Naval Shipyard) and 45 more.

What NSN replaces 5310-00-186-0964?

There are 12 known substitutes for 5310-00-186-0964: 5841-00-090-6346, 3110-00-120-4467, 5305-00-207-2061 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D15-700MPC811?

Key specifications for D15-700MPC811: Internal Prebent Key Length: 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Outside Diameter: 1.281 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN; Style Designator: KEY; Overall Distance Including Keys: 1.719 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-186-0964 still in active supply?

NSN 5310-00-186-0964 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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