PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2561Washer,flat

Bock Engineered Products Inc · NSN 5310-01-373-2320 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-373-2320 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-373-2320. Primary manufacturer part number: 2561.
Features
  • Washer,flat — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Bock Engineered Products Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-373-2320, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bock Engineered Products Inc. This item has 1 commercial cross-reference 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
NSN5310-01-373-2320
Primary Part Number2561
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBock Engineered Products Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-010-7823 INTERCHANGEABLE
Nut,stamped
5310-00-034-8651 INTERCHANGEABLE
Nut,stamped
5325-00-080-3487 INTERCHANGEABLE
Grommet,nonmetallic
6220-00-115-50400256001WHT INTERCHANGEABLE
Lens,light
Perko Inc
5915-00-201-7090 INTERCHANGEABLE
Filter,low Pass
5325-00-276-605112608653 INTERCHANGEABLE
Grommet,nonmetallic
U S Army Tank Automotive Command Amsta-Im-Mm
5330-00-625-43422561 INTERCHANGEABLE
Gasket
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
2520-00-709-58975331800 INTERCHANGEABLE
Gage,oil Pressure,t
U S Army Tank Automotive Command Amsta-Im-Mm
5895-01-097-3243 INTERCHANGEABLE
Controller,disk Dri
5325-01-142-32092561 INTERCHANGEABLE
Grommet,nonmetallic
Dcm Manufacturing, Inc.
Cross-Reference Index
Part NumberManufacturer
2561 Bock Engineered Products Inc (USA)
Related Parts
5310-00-010-7823INTERCHANGEABLE
NUT,STAMPED
5310-00-034-8651INTERCHANGEABLE
NUT,STAMPED
5325-00-080-3487INTERCHANGEABLE
GROMMET,NONMETALLIC
6220-00-115-5040INTERCHANGEABLE
LENS,LIGHT
0256001WHT
5915-00-201-7090INTERCHANGEABLE
FILTER,LOW PASS
5325-00-276-6051INTERCHANGEABLE
GROMMET,NONMETALLIC
12608653
5330-00-625-4342INTERCHANGEABLE
GASKET
2561
2520-00-709-5897INTERCHANGEABLE
GAGE,OIL PRESSURE,T
5331800
5895-01-097-3243INTERCHANGEABLE
CONTROLLER,DISK DRI
5325-01-142-3209INTERCHANGEABLE
GROMMET,NONMETALLIC
2561
5330-01-417-6477INTERCHANGEABLE
GASKET
2561L
5140-01-442-0991INTERCHANGEABLE
CASE,TOOL AND ACCESSORIES
2561

Frequently Asked Questions

What is NSN 5310-01-373-2320?

NSN 5310-01-373-2320 is a Washer,flat, manufactured by Bock Engineered Products Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-373-2320?

NSN 5310-01-373-2320 has 1 cross-referenced part number: 2561 (Bock Engineered Products Inc).

What NSN replaces 5310-01-373-2320?

There are 12 known substitutes for 5310-01-373-2320: 5310-00-010-7823, 5310-00-034-8651, 5325-00-080-3487 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2561?

Key specifications for 2561: End Item Identification: USED ON BOCK MODEL 605-MIL EXTRACTOR LAUNDRY MACHINE TRAILER MTD. 1 total characteristics are documented in the Federal Logistics Information System.

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