PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

119-1623Washer,lock

Caterpillar Inc Div Caterpillar Defense · NSN 5310-01-547-9025 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-547-9025 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-547-9025. Primary manufacturer part number: 119-1623.
Features
  • Washer,lock — FSC 5310
  • Closed Inside Diameter: 1.750 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-547-9025, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-547-9025
Primary Part Number119-1623
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Closed Inside Diameter1.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-100-0672054246 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Agco Corp Parts Opn
5330-00-495-707427666 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5330-00-776-228327666 INTERCHANGEABLE
Gasket
Briggs and Stratton Corp
4720-00-930-4514 INTERCHANGEABLE
Hose,nonmetallic
Cross-Reference Index
Part NumberManufacturer
119-1623 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
27666 Paccar Winch Inc Dba Paccar Winch Division (USA)
Related Parts
3110-00-100-0672INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
054246
5330-00-495-7074INTERCHANGEABLE
GASKET
27666
5330-00-776-2283INTERCHANGEABLE
GASKET
27666
4720-00-930-4514INTERCHANGEABLE
HOSE,NONMETALLIC

Frequently Asked Questions

What is NSN 5310-01-547-9025?

NSN 5310-01-547-9025 is a Washer,lock, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-547-9025?

NSN 5310-01-547-9025 has 2 cross-referenced part numbers: 119-1623 (Caterpillar Inc Div Caterpillar Defense), 27666 (Paccar Winch Inc Dba Paccar Winch Division).

What NSN replaces 5310-01-547-9025?

There are 4 known substitutes for 5310-01-547-9025: 3110-00-100-0672, 5330-00-495-7074, 5330-00-776-2283 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 119-1623?

Key specifications for 119-1623: Part Name Assigned by Controlling Agency: LOCKWASHER (1 3/4); End Item Identification: 3830-01-538-1421, WINCH ATTACHMENT, SINGLE DRUM, MODEL PA80; Special Features: NHA IS WINCH CASE/COVERS; Closed Inside Diameter: 1.750 INCHES NOMINAL IN. 4 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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