PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4033259007Washer,flat

Oshkosh Defense Llc · NSN 5310-01-652-9540 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-652-9540 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-652-9540. Primary manufacturer part number: 4033259007.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL OVERALL
  • Peripheral Shape Style: ROUND
  • Thickness: 0.108 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: BLANK RECTANGULAR
  • Overall Diameter: 1.743 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
  • Hole Diameter: 0.681 INCHES MINIMUM AND 0.718 INCHES MAXIMUM IN
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 5310-01-652-9540, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-652-9540
Primary Part Number4033259007
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
MaterialSTEEL OVERALL
Peripheral Shape StyleROUND
Thickness0.108 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleBLANK RECTANGULAR
Overall Diameter1.743 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
Hole Diameter0.681 INCHES MINIMUM AND 0.718 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-01-612-07054000317 INTERCHANGEABLE
Washer,flat
Oshkosh Defense Llc
5310-01-613-97374033259004 INTERCHANGEABLE
Washer,flat
Oshkosh Defense Llc
5310-01-652-99404000405 INTERCHANGEABLE
Washer,flat
Oshkosh Defense Llc
5310-01-653-00104033259002 INTERCHANGEABLE
Washer,flat
Oshkosh Defense Llc
5310-01-653-262712605209-030 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-653-263412605209-025 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-653-42884033259028 INTERCHANGEABLE
Washer,flat
Oshkosh Defense Llc
5310-01-657-4248AEW24X25N000BD6M51 INTERCHANGEABLE
Washer,flat
The American Society of Mechanical Engineers
5310-01-657-42514033259006 INTERCHANGEABLE
Washer,flat
Oshkosh Defense Llc
5310-01-657-42521260529-005 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
4033259 Oshkosh Defense Llc (USA)
4033259007 PRIMARY Oshkosh Defense Llc (USA)
Related Parts
5310-01-612-0705INTERCHANGEABLE
WASHER,FLAT
4000317
5310-01-613-9737INTERCHANGEABLE
WASHER,FLAT
4033259004
5310-01-652-9940INTERCHANGEABLE
WASHER,FLAT
4000405
5310-01-653-0010INTERCHANGEABLE
WASHER,FLAT
4033259002
5310-01-653-2627INTERCHANGEABLE
WASHER,FLAT
12605209-030
5310-01-653-2634INTERCHANGEABLE
WASHER,FLAT
12605209-025
5310-01-653-4288INTERCHANGEABLE
WASHER,FLAT
4033259028
5310-01-657-4248INTERCHANGEABLE
WASHER,FLAT
AEW24X25N000BD6M51
5310-01-657-4251INTERCHANGEABLE
WASHER,FLAT
4033259006
5310-01-657-4252INTERCHANGEABLE
WASHER,FLAT
1260529-005
5310-01-658-7411INTERCHANGEABLE
WASHER,FLAT
4033259031
5310-01-661-2025INTERCHANGEABLE
WASHER,FLAT
4033259001

Frequently Asked Questions

What is NSN 5310-01-652-9540?

NSN 5310-01-652-9540 is a Washer,flat, manufactured by Oshkosh Defense Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-652-9540?

NSN 5310-01-652-9540 has 2 cross-referenced part numbers: 4033259 (Oshkosh Defense Llc), 4033259007 (Oshkosh Defense Llc).

What NSN replaces 5310-01-652-9540?

There are 12 known substitutes for 5310-01-652-9540: 5310-01-612-0705, 5310-01-613-9737, 5310-01-652-9940 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4033259007?

Key specifications for 4033259007: Material: STEEL OVERALL; Peripheral Shape Style: ROUND; Thickness: 0.108 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: WASH, FLT, INCH HDN TAB. 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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