PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11677Washer,flat

Garwood/feller Inc Garwood Winch Div · NSN 5310-00-264-1943 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-264-1943 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-264-1943. Primary manufacturer part number: 11677.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 3.875 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Material: COPPER ALLOY OVERALL
  • Thickness: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
  • Surface Finish: 60.0 MICROINCHES TOP
  • Hole Diameter: 2.641 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-264-1943, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Garwood/feller Inc Garwood Winch Div. Government technical data includes 9 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-264-1943
Primary Part Number11677
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGarwood/feller Inc Garwood Winch Div
StatusACTIVE
Overall Diameter3.875 INCHES NOMINAL IN
Center Hole Shape StyleROUND
MaterialCOPPER ALLOY OVERALL
Thickness0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Surface Finish60.0 MICROINCHES TOP
Hole Diameter2.641 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Surface Finish60.0 MICROINCHES BOTTOM
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5120-00-157-21330-474 INTERCHANGEABLE
Wrench,spanner
Martin Sprocket and Gear Inc
5305-00-206-0170 INTERCHANGEABLE
Setscrew
5999-00-254-381111677 INTERCHANGEABLE
Cap,electrical
General Electric Company
5365-00-283-574011677 INTERCHANGEABLE
Spacer,sleeve
Grimes Aerospace Company
5935-00-284-396311677 INTERCHANGEABLE
Cover,electrical Connector
Entron Industries Limited Partnership Dba Entron Industries Property Div
6615-00-717-2079B11677G1 INTERCHANGEABLE
Bellows Assy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
1560-00-784-022011677 INTERCHANGEABLE
Rod,flap Control
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5310-01-029-8937 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
11677 PRIMARY Garwood/feller Inc Garwood Winch Div (USA)
Related Parts
5120-00-157-2133INTERCHANGEABLE
WRENCH,SPANNER
0-474
5305-00-206-0170INTERCHANGEABLE
SETSCREW
5999-00-254-3811INTERCHANGEABLE
CAP,ELECTRICAL
11677
5365-00-283-5740INTERCHANGEABLE
SPACER,SLEEVE
11677
5935-00-284-3963INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
11677
6615-00-717-2079INTERCHANGEABLE
BELLOWS ASSY
B11677G1
1560-00-784-0220INTERCHANGEABLE
ROD,FLAP CONTROL
11677
5310-01-029-8937INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-00-264-1943?

NSN 5310-00-264-1943 is a Washer,flat, manufactured by Garwood/feller Inc Garwood Winch Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-264-1943?

NSN 5310-00-264-1943 has 1 cross-referenced part number: 11677 (Garwood/feller Inc Garwood Winch Div).

What NSN replaces 5310-00-264-1943?

There are 8 known substitutes for 5310-00-264-1943: 5120-00-157-2133, 5305-00-206-0170, 5999-00-254-3811 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11677?

Key specifications for 11677: Overall Diameter: 3.875 INCHES NOMINAL IN; Center Hole Shape Style: ROUND; Material: COPPER ALLOY OVERALL; Thickness: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM 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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