PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11684Washer,flat

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-990-5322 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-990-5322 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-990-5322. Primary manufacturer part number: 11684.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 5.500 INCHES NOMINAL IN
  • Thickness: 0.250 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 3.531 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-990-5322, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-990-5322
Primary Part Number11684
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter5.500 INCHES NOMINAL IN
Thickness0.250 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Hole Diameter3.531 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-198-1187N11684 INTERCHANGEABLE
Retainer and Balls,bearing
Leslie Controls, Inc. Dba Leslie Controls Inc
3110-00-227-4630HM89410 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
6515-00-361-16005867571322 INTERCHANGEABLE
Retractor,goiter
Owens & Minor Distribution Inc
4810-00-480-4400 INTERCHANGEABLE
Valve,solenoid
5950-00-561-257711684 INTERCHANGEABLE
Transformer,radio Frequency
Entron Industries Limited Partnership Dba Entron Industries Property Div
3040-00-858-6530800558 INTERCHANGEABLE
Cam,control
L3harris Cincinnati Electronics Corporation
5340-00-910-659811684 INTERCHANGEABLE
Block,cover,main Ge
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5305-01-006-025011684 INTERCHANGEABLE
Screw,special
Textron Lycoming Inc Williamsport Plant
5360-01-029-5611 INTERCHANGEABLE
Spring,helical,torsion
5330-01-029-6400 INTERCHANGEABLE
Seal,plain Encased
Cross-Reference Index
Part NumberManufacturer
11684 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
93600035 PRIMARY Lear Siegler Truck Products Corp Neway Div (USA)
TP-5037 Lear Siegler Truck Products Corp Neway Div (USA)
Related Parts
3110-00-198-1187INTERCHANGEABLE
RETAINER AND BALLS,BEARING
N11684
3110-00-227-4630INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
HM89410
6515-00-361-1600INTERCHANGEABLE
RETRACTOR,GOITER
5867571322
4810-00-480-4400INTERCHANGEABLE
VALVE,SOLENOID
5950-00-561-2577INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
11684
3040-00-858-6530INTERCHANGEABLE
CAM,CONTROL
800558
5340-00-910-6598INTERCHANGEABLE
BLOCK,COVER,MAIN GE
11684
5305-01-006-0250INTERCHANGEABLE
SCREW,SPECIAL
11684
5360-01-029-5611INTERCHANGEABLE
SPRING,HELICAL,TORSION
5330-01-029-6400INTERCHANGEABLE
SEAL,PLAIN ENCASED

Frequently Asked Questions

What is NSN 5310-00-990-5322?

NSN 5310-00-990-5322 is a Washer,flat, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-990-5322?

NSN 5310-00-990-5322 has 3 cross-referenced part numbers: 11684 (U S Army Tank Automotive Command Amsta-Im-Mm), 93600035 (Lear Siegler Truck Products Corp Neway Div), TP-5037 (Lear Siegler Truck Products Corp Neway Div).

What NSN replaces 5310-00-990-5322?

There are 10 known substitutes for 5310-00-990-5322: 3110-00-198-1187, 3110-00-227-4630, 6515-00-361-1600 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11684?

Key specifications for 11684: Peripheral Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR; Overall Diameter: 5.500 INCHES NOMINAL IN; Thickness: 0.250 INCHES NOMINAL IN. 6 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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