PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C91080A1PC282Washer,key

New York Naval Shipyard Naval Base · NSN 5310-00-186-0985 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-186-0985 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-186-0985. Primary manufacturer part number: C91080A1PC282.
Features
  • Washer,key — FSC 5310
  • Hole Diameter: 5.983 INCHES MINIMUM AND 6.018 INCHES MAXIMUM IN
  • Style Designator: KEY
  • Material: STEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OVERALL
  • External Prebent Key Width: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
  • Internal Prebent Key Length: 0.312 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
  • External Key Quantity: 19
  • Overall Distance Including Keys: 8.062 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 or Steel Comp 1010 or Steel Comp 1015 or Steel Comp 1016 or Steel Comp 1018 or Steel Comp 1025 or Steel Comp 1030 or Steel Comp 1035 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-186-0985, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is New York Naval Shipyard Naval Base. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-186-0985
Primary Part NumberC91080A1PC282
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNew York Naval Shipyard Naval Base
StatusCANCELLED
Hole Diameter5.983 INCHES MINIMUM AND 6.018 INCHES MAXIMUM IN
Style DesignatorKEY
MaterialSTEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OVERALL
External Prebent Key Width0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
Internal Prebent Key Length0.312 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
External Key Quantity19
Overall Distance Including Keys8.062 INCHES MAXIMUM IN
Outside Diameter7.062 INCHES MINIMUM AND 7.122 INCHES MAXIMUM IN
Material Thickness0.148 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Internal Prebent Key Width0.500 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
Hardness Rating50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6135-00-100-0460 INTERCHANGEABLE
Battery,nonrechargeable
5120-00-180-0871W-30 INTERCHANGEABLE
Bar,wrecking
Ampco Partners, Ltd. Dba Ampco Safety Tools
5305-00-292-892512-1-12 INTERCHANGEABLE
Screw,cap,hexagon Head
Trailmobile Inc Sub of the Pullman Co
5310-00-359-0458F1243 INTERCHANGEABLE
Washer,flat
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5920-00-504-6248W30 INTERCHANGEABLE
Fuse,plug
Cooper Bussmann, Llc Dba Cooper Industries
5940-00-984-5060 INTERCHANGEABLE
Splice,conductor
4310-01-294-2507W30 INTERCHANGEABLE
Cylinder,reciprocating Compresso
Emglo Products Corp
5999-01-344-2594W30 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
Cross-Reference Index
Part NumberManufacturer
C91080A1PC282 New York Naval Shipyard Naval Base (USA)
W30 Naval Ship Systems Command (USA)
W30 The Timken Corporation (USA)
W30 Patterson Pump Co Div Patterson Pump Company (USA)
W30 Federal-Mogul Corp Government Sales Dept (USA)
61946PC239 Patterson Pump Co Div Patterson Pump Company (USA)
MS19070-301 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
60420FPC282 Patterson Pump Co Div Patterson Pump Company (USA)
279740-7 Zf Industrieantriebe Witten Gmbh (DEU)
B48260-27 Pioneer Specialty Co (USA)
W30 Borg-Warner Corp (USA)
W30 Skf Usa Inc. (USA)
61259-429 Patterson Pump Co Div Patterson Pump Company (USA)
W30 Whittet-Higgins Company (USA)
W30 General Motors Corp Delco Moraine Ndh Div (USA)
C91080A1PC282 Patterson Pump Co Div Patterson Pump Company (USA)
Related Parts
6135-00-100-0460INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
5120-00-180-0871INTERCHANGEABLE
BAR,WRECKING
W-30
5305-00-292-8925INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12-1-12
5310-00-359-0458INTERCHANGEABLE
WASHER,FLAT
F1243
5920-00-504-6248INTERCHANGEABLE
FUSE,PLUG
W30
5940-00-984-5060INTERCHANGEABLE
SPLICE,CONDUCTOR
4310-01-294-2507INTERCHANGEABLE
CYLINDER,RECIPROCATING COMPRESSO
W30
5999-01-344-2594INTERCHANGEABLE
HEATER,THERMAL RELEASE
W30

Frequently Asked Questions

What is NSN 5310-00-186-0985?

NSN 5310-00-186-0985 is a Washer,key, manufactured by New York Naval Shipyard Naval Base, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-186-0985?

NSN 5310-00-186-0985 has 16 cross-referenced part numbers: C91080A1PC282 (New York Naval Shipyard Naval Base), W30 (Naval Ship Systems Command), W30 (The Timken Corporation), W30 (Patterson Pump Co Div Patterson Pump Company), W30 (Federal-Mogul Corp Government Sales Dept) and 11 more.

What NSN replaces 5310-00-186-0985?

There are 8 known substitutes for 5310-00-186-0985: 6135-00-100-0460, 5120-00-180-0871, 5305-00-292-8925 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C91080A1PC282?

Key specifications for C91080A1PC282: Hole Diameter: 5.983 INCHES MINIMUM AND 6.018 INCHES MAXIMUM IN; Style Designator: KEY; Material: STEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OVERALL; External Prebent Key Width: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-186-0985 still in active supply?

NSN 5310-00-186-0985 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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