PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34-0257Washer,flat

Tri Tool Inc · NSN 5310-01-595-6342 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-595-6342 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-595-6342. Primary manufacturer part number: 34-0257.
Features
  • Washer,flat — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Tri Tool Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-595-6342, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tri Tool Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-595-6342
Primary Part Number34-0257
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTri Tool Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-521-0516 INTERCHANGEABLE
Resistor,fixed,film
5920-00-881-6584 INTERCHANGEABLE
Fuseholder,extractor Post
Cross-Reference Index
Part NumberManufacturer
34-0257 PRIMARY Tri Tool Inc (USA)
Related Parts
5905-00-521-0516INTERCHANGEABLE
RESISTOR,FIXED,FILM
5920-00-881-6584INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST

Frequently Asked Questions

What is NSN 5310-01-595-6342?

NSN 5310-01-595-6342 is a Washer,flat, manufactured by Tri Tool Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-595-6342?

NSN 5310-01-595-6342 has 1 cross-referenced part number: 34-0257 (Tri Tool Inc).

What NSN replaces 5310-01-595-6342?

There are 2 known substitutes for 5310-01-595-6342: 5905-00-521-0516, 5920-00-881-6584. Verify interchangeability with system specifications before substitution.

What are the specifications of 34-0257?

Key specifications for 34-0257: End Item Identification: MODELSQM-1AC SQUARING MODULE; Part Name Assigned by Controlling Agency: THRUST WASHER. 2 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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