PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2BA553Washer,flat

Oshkosh Defense Llc · NSN 5310-01-155-3445 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-155-3445 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-155-3445. Primary manufacturer part number: 2BA553.
Features
  • Washer,flat — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-155-3445, 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. This item has 3 commercial cross-references from 3 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)
ManufacturersOshkosh Corp (CAGE 45152); Oshkosh Defense Llc (CAGE 75Q65); Liquid Controls, L.l.c. Div Idex Corporation (CAGE 04366)
Technical Specifications
ParameterValue
NSN5310-01-155-3445
Primary Part Number2BA553
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6510-00-116-13116939G INTERCHANGEABLE
Sponge,surgical
Cardinal Health 200, Llc
5340-00-246-74026939 INTERCHANGEABLE
Clevis,rod End
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
2940-00-308-84398678327 INTERCHANGEABLE
Filter Element,intake Air Cleane
U S Army Tank Automotive Command Amsta-Im-Mm
5930-00-356-82126939 INTERCHANGEABLE
Switch,toggle
Clayton Manufacturing Company
3020-00-374-10296939 INTERCHANGEABLE
Gear,internal
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
3439-00-421-8737 INTERCHANGEABLE
Desoldering Tool,electric
5960-00-617-6178 INTERCHANGEABLE
Electron Tube
5960-00-729-2463 INTERCHANGEABLE
Electron Tube
5935-01-193-0615006939 INTERCHANGEABLE
Socket
Abd Intl Inc Dba Abdick
5305-01-399-7046SKB-465 ITEM 651 INTERCHANGEABLE
Screw,machine
Coffin Turbo Pump Inc
Cross-Reference Index
Part NumberManufacturer
2BA553 Oshkosh Corp (USA)
2BA553 PRIMARY Oshkosh Defense Llc (USA)
6939 Liquid Controls, L.l.c. Div Idex Corporation (USA)
Related Parts
6510-00-116-1311INTERCHANGEABLE
SPONGE,SURGICAL
6939G
5340-00-246-7402INTERCHANGEABLE
CLEVIS,ROD END
6939
2940-00-308-8439INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
8678327
5930-00-356-8212INTERCHANGEABLE
SWITCH,TOGGLE
6939
3020-00-374-1029INTERCHANGEABLE
GEAR,INTERNAL
6939
3439-00-421-8737INTERCHANGEABLE
DESOLDERING TOOL,ELECTRIC
5960-00-617-6178INTERCHANGEABLE
ELECTRON TUBE
5960-00-729-2463INTERCHANGEABLE
ELECTRON TUBE
5935-01-193-0615INTERCHANGEABLE
SOCKET
006939
5305-01-399-7046INTERCHANGEABLE
SCREW,MACHINE
SKB-465 ITEM 651

Frequently Asked Questions

What is NSN 5310-01-155-3445?

NSN 5310-01-155-3445 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 5310-01-155-3445?

NSN 5310-01-155-3445 has 3 cross-referenced part numbers: 2BA553 (Oshkosh Corp), 2BA553 (Oshkosh Defense Llc), 6939 (Liquid Controls, L.l.c. Div Idex Corporation).

What NSN replaces 5310-01-155-3445?

There are 10 known substitutes for 5310-01-155-3445: 6510-00-116-1311, 5340-00-246-7402, 2940-00-308-8439 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com