PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33116Washer,flat

Fastenal Company Dba Fastenal Co · NSN 5310-01-556-4664 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-556-4664 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-556-4664. Primary manufacturer part number: 33116.
Features
  • Washer,flat — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Fastenal Company Dba Fastenal Co
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-556-4664, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. 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.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersFastenal Company Dba Fastenal Co (CAGE 0Y3H3); Nd Defense Llc (CAGE 338X5)
Technical Specifications
ParameterValue
NSN5310-01-556-4664
Primary Part Number33116
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-245-339833116 INTERCHANGEABLE
Seal,nonmetallic Round Section
Getinge Usa Inc
5330-00-354-3140142A31 INTERCHANGEABLE
Gasket
Cummins Power Generation Inc.
5950-00-648-5712 INTERCHANGEABLE
Transformer,audio Frequency
2910-01-043-811233116 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
2530-01-174-2307BD60428 INTERCHANGEABLE
Rotor Assembly,disc Brake
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
4730-01-219-85123311-6 INTERCHANGEABLE
Body,connecting Coupling
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5305-01-282-568033116 INTERCHANGEABLE
Setscrew
Northwestern Tools, Inc.
5305-01-288-8406 INTERCHANGEABLE
Screw,machine
5210-01-428-538833-116 INTERCHANGEABLE
Tape,measuring
The Stanley Works Dba Stanley Proto
4820-01-563-027033116 INTERCHANGEABLE
Valve,ball
Cps Products Inc
Cross-Reference Index
Part NumberManufacturer
33116 PRIMARY Fastenal Company Dba Fastenal Co (USA)
21760R1 Nd Defense Llc (USA)
12759-00482 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
5330-00-245-3398INTERCHANGEABLE
SEAL,NONMETALLIC ROUND SECTION
33116
5330-00-354-3140INTERCHANGEABLE
GASKET
142A31
5950-00-648-5712INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
2910-01-043-8112INTERCHANGEABLE
FILTER ELEMENT,FLUID
33116
2530-01-174-2307INTERCHANGEABLE
ROTOR ASSEMBLY,DISC BRAKE
BD60428
4730-01-219-8512INTERCHANGEABLE
BODY,CONNECTING COUPLING
3311-6
5305-01-282-5680INTERCHANGEABLE
SETSCREW
33116
5305-01-288-8406INTERCHANGEABLE
SCREW,MACHINE
5210-01-428-5388INTERCHANGEABLE
TAPE,MEASURING
33-116
4820-01-563-0270INTERCHANGEABLE
VALVE,BALL
33116

Frequently Asked Questions

What is NSN 5310-01-556-4664?

NSN 5310-01-556-4664 is a Washer,flat, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-556-4664?

NSN 5310-01-556-4664 has 3 cross-referenced part numbers: 33116 (Fastenal Company Dba Fastenal Co), 21760R1 (Nd Defense Llc), 12759-00482 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5310-01-556-4664?

There are 10 known substitutes for 5310-01-556-4664: 5330-00-245-3398, 5330-00-354-3140, 5950-00-648-5712 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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