PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25540-1Thimble,rope

United States Department of the Navy Dba Naval Surface Warfare Center Panama City · NSN 4030-01-518-3348 · FSC 4030 · No Item Name Available
Verified by PartsTable
NSN 4030-01-518-3348 — this item is cataloged by the U.S. Government under National Stock Number 4030-01-518-3348. Primary manufacturer part number: 25540-1.
Features
  • Thimble,rope — FSC 4030
  • Outside Diameter: 1.750 INCHES NOMINAL IN
  • Inside Width: 0.620 INCHES NOMINAL IN
  • Material Document and Classification: QQ-S-763,CL316 FED SPEC SINGLE MATERIAL RESPONSE
  • Surface Treatment: PASSIVATE
  • Inside Length: 1.375 INCHES NOMINAL IN
  • Inside Diameter: 0.691 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: ASTMA967 ASSN STD SINGLE TREATMENT RESPONSE
Applications
  • Applications requiring Steel Comp 316 construction
General Description

The Thimble,rope, cataloged under National Stock Number 4030-01-518-3348, is classified within Federal Supply Class 4030 (No Item Name Available) of the Rope, Cable, Chain, and Fittings group. The primary manufacturer of record is United States Department of the Navy Dba Naval Surface Warfare Center Panama City. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4030-01-518-3348
Primary Part Number25540-1
Item NameThimble,rope
FSC / FSG4030 / 40 — No Item Name Available
ManufacturerUnited States Department of the Navy Dba Naval Surface Warfare Center Panama City
StatusACTIVE
Outside Diameter1.750 INCHES NOMINAL IN
Inside Width0.620 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-763,CL316 FED SPEC SINGLE MATERIAL RESPONSE
Surface TreatmentPASSIVATE
Inside Length1.375 INCHES NOMINAL IN
Inside Diameter0.691 INCHES NOMINAL IN
Surface Treatment Document and ClassificationASTMA967 ASSN STD SINGLE TREATMENT RESPONSE
MaterialSTEEL COMP 316
Accommodated Material Diameter1.810 INCHES NOMINAL IN
Style DesignatorROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5930-00-974-7038 INTERCHANGEABLE
Switch,electrical
2995-01-007-5382255401 INTERCHANGEABLE
Cap,end
Linear Motion Llc Div Ugm
3120-01-037-878025540 INTERCHANGEABLE
Bearing
Jetstream of Houston, Llp Dba Jetstream of Houston Llp
3020-01-106-1823255-40 INTERCHANGEABLE
Gear,spur
Southern Gear & Machine Inc
2520-01-301-534125540 INTERCHANGEABLE
Plate,intermediate,friction Clut
Paccar Winch Inc Dba Paccar Winch Division
5999-01-343-9100PLT2S-M69 INTERCHANGEABLE
Clamp,electrical
Panduit Corp.
6540-01-597-62964-0135-9100 INTERCHANGEABLE
Carrier,prescription Insert
Revision Military Limited
Cross-Reference Index
Part NumberManufacturer
25540-1 PRIMARY United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
25540 United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
Related Parts
5930-00-974-7038INTERCHANGEABLE
SWITCH,ELECTRICAL
2995-01-007-5382INTERCHANGEABLE
CAP,END
255401
3120-01-037-8780INTERCHANGEABLE
BEARING
25540
3020-01-106-1823INTERCHANGEABLE
GEAR,SPUR
255-40
2520-01-301-5341INTERCHANGEABLE
PLATE,INTERMEDIATE,FRICTION CLUT
25540
5999-01-343-9100INTERCHANGEABLE
CLAMP,ELECTRICAL
PLT2S-M69
6540-01-597-6296INTERCHANGEABLE
CARRIER,PRESCRIPTION INSERT
4-0135-9100

Frequently Asked Questions

What is NSN 4030-01-518-3348?

NSN 4030-01-518-3348 is a Thimble,rope, manufactured by United States Department of the Navy Dba Naval Surface Warfare Center Panama City, classified under FSC 4030 (No Item Name Available). Status: active.

What are the part numbers for NSN 4030-01-518-3348?

NSN 4030-01-518-3348 has 2 cross-referenced part numbers: 25540-1 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City), 25540 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City).

What NSN replaces 4030-01-518-3348?

There are 7 known substitutes for 4030-01-518-3348: 5930-00-974-7038, 2995-01-007-5382, 3120-01-037-8780 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25540-1?

Key specifications for 25540-1: Outside Diameter: 1.750 INCHES NOMINAL IN; Inside Width: 0.620 INCHES NOMINAL IN; Material Document and Classification: QQ-S-763,CL316 FED SPEC SINGLE MATERIAL RESPONSE; Surface Treatment: PASSIVATE. 10 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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