PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34881Washer,flat

Fastenal Company Dba Fastenal Co · NSN 5310-01-551-0893 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-551-0893 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-551-0893. Primary manufacturer part number: 34881.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL OVERALL
  • Thickness: 2.50 MILLIMETERS NOMINAL MM
  • Hole Diameter: 15.00 MILLIMETERS NOMINAL MM
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 28.0 MILLIMETERS NOMINAL MM
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-551-0893, 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. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-551-0893
Primary Part Number34881
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
MaterialSTEEL OVERALL
Thickness2.50 MILLIMETERS NOMINAL MM
Hole Diameter15.00 MILLIMETERS NOMINAL MM
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter28.0 MILLIMETERS NOMINAL MM
Peripheral Shape StyleROUND
Surface TreatmentZINC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5340-00-732-83317328331 INTERCHANGEABLE
Strap,retaining
U S Army Tank Automotive Command Amsta-Im-Mm
5305-00-752-16937071098 INTERCHANGEABLE
Screw,machine
U S Army Tank Automotive Command Amsta-Im-Mm
5998-01-046-648643986-1 INTERCHANGEABLE
Circuit Card Assembly
Meggitt (new Hampshire), Inc
6150-01-068-3695 INTERCHANGEABLE
Lead,electrical
5905-01-214-4112300339-4 INTERCHANGEABLE
Resistor Network,fixed,film
Vishay Intertechnology, Inc.
4730-01-219-2049HC-6ST-ZD INTERCHANGEABLE
Clamp,hose
Rotor Clip Company, Inc.
5330-01-285-3952P328-02 INTERCHANGEABLE
Gasket
Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc
Cross-Reference Index
Part NumberManufacturer
34881 PRIMARY Fastenal Company Dba Fastenal Co (USA)
3003394 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
43986 Barnes Group Inc. Dba Barnes Distribution (USA)
Related Parts
5340-00-732-8331INTERCHANGEABLE
STRAP,RETAINING
7328331
5305-00-752-1693INTERCHANGEABLE
SCREW,MACHINE
7071098
5998-01-046-6486INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
43986-1
6150-01-068-3695INTERCHANGEABLE
LEAD,ELECTRICAL
5905-01-214-4112INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
300339-4
4730-01-219-2049INTERCHANGEABLE
CLAMP,HOSE
HC-6ST-ZD
5330-01-285-3952INTERCHANGEABLE
GASKET
P328-02

Frequently Asked Questions

What is NSN 5310-01-551-0893?

NSN 5310-01-551-0893 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 5310-01-551-0893?

NSN 5310-01-551-0893 has 3 cross-referenced part numbers: 34881 (Fastenal Company Dba Fastenal Co), 3003394 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 43986 (Barnes Group Inc. Dba Barnes Distribution).

What NSN replaces 5310-01-551-0893?

There are 7 known substitutes for 5310-01-551-0893: 5340-00-732-8331, 5305-00-752-1693, 5998-01-046-6486 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 34881?

Key specifications for 34881: Material: STEEL OVERALL; Thickness: 2.50 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: MET HARDENED FLAT WASHER M14; Hole Diameter: 15.00 MILLIMETERS NOMINAL MM. 10 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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