PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42456Washer,lock

Barnes Group Inc. Dba Barnes Distribution · NSN 5310-01-549-7765 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-549-7765 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-549-7765. Primary manufacturer part number: 42456.
Features
  • Washer,lock — FSC 5310
  • 9 verified cross-references
  • Primary manufacturer: Barnes Group Inc. Dba Barnes Distribution
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-549-7765, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barnes Group Inc. Dba Barnes Distribution. This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameWasher,lock
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersGeneral Dynamics Land Systems Inc. Div Gdls Global Llc (CAGE 7W356); Fastenal Company Dba Fastenal Co (CAGE 0Y3H3); General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (CAGE 1EFH8); Oshkosh Defense Llc (CAGE 75Q65); Barnes Group Inc. Dba Barnes Distribution (CAGE 05573)
Technical Specifications
ParameterValue
NSN5310-01-549-7765
Primary Part Number42456
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBarnes Group Inc. Dba Barnes Distribution
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
7490-00-123-6019 INTERCHANGEABLE
Panel,rear
3455-01-049-101308040 INTERCHANGEABLE
Cutter,milling,metal Slitting
Niagara Cutter Inc
5998-01-064-0700 INTERCHANGEABLE
Circuit Card Assembly
5961-01-124-0626 INTERCHANGEABLE
Transistor
5310-01-559-839040381 INTERCHANGEABLE
Washer,lock
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
3001186 General Dynamics Land Systems Inc. Div Gdls Global Llc (USA)
12759-00372 Fastenal Company Dba Fastenal Co (USA)
S002651 General Dynamics Land Systems Inc. Div Gdls Global Llc (USA)
3001186 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
1324640 Oshkosh Defense Llc (USA)
4007976-4 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
40385 Fastenal Company Dba Fastenal Co (USA)
42456 PRIMARY Barnes Group Inc. Dba Barnes Distribution (USA)
3001186 Goriziane Group Spa (ITA)
Related Parts
7490-00-123-6019INTERCHANGEABLE
PANEL,REAR
3455-01-049-1013INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
08040
5998-01-064-0700INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5961-01-124-0626INTERCHANGEABLE
TRANSISTOR
5310-01-559-8390INTERCHANGEABLE
WASHER,LOCK
40381

Frequently Asked Questions

What is NSN 5310-01-549-7765?

NSN 5310-01-549-7765 is a Washer,lock, manufactured by Barnes Group Inc. Dba Barnes Distribution, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-549-7765?

NSN 5310-01-549-7765 has 9 cross-referenced part numbers: 3001186 (General Dynamics Land Systems Inc. Div Gdls Global Llc), 12759-00372 (Fastenal Company Dba Fastenal Co), S002651 (General Dynamics Land Systems Inc. Div Gdls Global Llc), 3001186 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 1324640 (Oshkosh Defense Llc) and 4 more.

What NSN replaces 5310-01-549-7765?

There are 5 known substitutes for 5310-01-549-7765: 7490-00-123-6019, 3455-01-049-1013, 5998-01-064-0700 and 2 more. Verify interchangeability with system specifications before substitution.

Is NSN 5310-01-549-7765 still in active supply?

NSN 5310-01-549-7765 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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