PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A11032Washer,flat

National Security Agency · NSN 5310-00-335-0566 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-335-0566 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-335-0566. Primary manufacturer part number: A11032.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Material: WOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
  • Hole Diameter: 0.187 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Thickness: 0.031 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Wool or Cotton or Cellulose or Glass Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-335-0566, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Security Agency. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-335-0566
Primary Part NumberA11032
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Security Agency
StatusACTIVE
Overall Diameter0.375 INCHES NOMINAL IN
MaterialWOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
Hole Diameter0.187 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Thickness0.031 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6645-00-536-1480 INTERCHANGEABLE
Arbor,flyback
1620-00-747-98901620V0703 INTERCHANGEABLE
Filter
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5996-00-832-5036T354 INTERCHANGEABLE
Amplifier,electronic Control
Standex Electronics, Inc.
6145-00-962-9927 INTERCHANGEABLE
Wire,electrical
6610-00-991-117811032-1 INTERCHANGEABLE
Aneroid
Aerosonic Llc
2520-01-024-0279534G INTERCHANGEABLE
Parts Kit,universal Joint
Precision Universal Joint Corp
4730-01-449-19812247-2-2S INTERCHANGEABLE
Elbow,pipe
Danfoss Power Solutions II, Llc
5315-01-461-163623011 INTERCHANGEABLE
Pin,straight,headless
L.s. Starrett Company (the) Div Tool Division
8455-01-591-2613 INTERCHANGEABLE
Tab,shoulder Sleeve Insignia
Cross-Reference Index
Part NumberManufacturer
A11032 PRIMARY National Security Agency (USA)
23011 PRIMARY Vellumoid, Inc. (USA)
Related Parts
6645-00-536-1480INTERCHANGEABLE
ARBOR,FLYBACK
1620-00-747-9890INTERCHANGEABLE
FILTER
1620V0703
5996-00-832-5036INTERCHANGEABLE
AMPLIFIER,ELECTRONIC CONTROL
T354
6145-00-962-9927INTERCHANGEABLE
WIRE,ELECTRICAL
6610-00-991-1178INTERCHANGEABLE
ANEROID
11032-1
2520-01-024-0279INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
534G
4730-01-449-1981INTERCHANGEABLE
ELBOW,PIPE
2247-2-2S
5315-01-461-1636INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
23011
8455-01-591-2613INTERCHANGEABLE
TAB,SHOULDER SLEEVE INSIGNIA

Frequently Asked Questions

What is NSN 5310-00-335-0566?

NSN 5310-00-335-0566 is a Washer,flat, manufactured by National Security Agency, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-335-0566?

NSN 5310-00-335-0566 has 2 cross-referenced part numbers: A11032 (National Security Agency), 23011 (Vellumoid, Inc.).

What NSN replaces 5310-00-335-0566?

There are 9 known substitutes for 5310-00-335-0566: 6645-00-536-1480, 1620-00-747-9890, 5996-00-832-5036 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A11032?

Key specifications for A11032: Overall Diameter: 0.375 INCHES NOMINAL IN; Material: WOOL OR COTTON OR CELLULOSE OR GLASS OVERALL; Hole Diameter: 0.187 INCHES NOMINAL IN; Center Hole Shape Style: ROUND. 7 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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