PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77601Ring,rod,piston

Hampton Hydraulics, Llc · NSN 3040-01-417-6691 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-417-6691 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-417-6691. Primary manufacturer part number: 77601.
Features
  • Ring,rod,piston — FSC 3040
  • Material: PLASTIC POLYAMIDE NYLON AND GLASS OVERALL
  • Standard Bore Diameter: 5.0000 INCHES5.0000 INCHES IN
  • Radial Wall Thickness: 0.1220 INCHES MINIMUM AND 0.1220 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM0.1250 INCHES MAXIMUM IN
  • 5 verified cross-references
  • Primary manufacturer: Hampton Hydraulics, Llc
Applications
  • Applications requiring Plastic Polyamide Nylon and Glass Overall construction
General Description

The Ring,rod,piston, cataloged under National Stock Number 3040-01-417-6691, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Hampton Hydraulics, Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-417-6691
Primary Part Number77601
Item NameRing,rod,piston
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerHampton Hydraulics, Llc
StatusACTIVE
MaterialPLASTIC POLYAMIDE NYLON AND GLASS OVERALL
Standard Bore Diameter5.0000 INCHES5.0000 INCHES IN
Radial Wall Thickness0.1220 INCHES MINIMUM AND 0.1220 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM0.1250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-144-8522118515 INTERCHANGEABLE
Bearing,ball,annular
Komatsu America Corp.
3110-00-144-8892 INTERCHANGEABLE
Bearing,ball,annular
5950-00-234-6790SM-C-587400 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-00-545-2251118515 INTERCHANGEABLE
Diaphragm,valve,flat
Circor Aerospace, Inc. Dba Circor Aerospace Inc
6530-01-477-890777616 INTERCHANGEABLE
Ultrasonic Apparatus and Muscle
Reable Therapeutics Inc Dba Chattanooga Group
5305-01-495-881677601 INTERCHANGEABLE
Screw,machine
Thales Defense & Security Inc Dba Thales Communications Inc
Cross-Reference Index
Part NumberManufacturer
118515 Victor Fluid Power Inc (USA)
912426 PIECE 13 Hampton Hydraulics, Llc (USA)
912426 PIECE 13 Victor Fluid Power Inc (USA)
77601 PRIMARY Hampton Hydraulics, Llc (USA)
118515 Hampton Hydraulics, Llc (USA)
Related Parts
3110-00-144-8522INTERCHANGEABLE
BEARING,BALL,ANNULAR
118515
3110-00-144-8892INTERCHANGEABLE
BEARING,BALL,ANNULAR
5950-00-234-6790INTERCHANGEABLE
TRANSFORMER,POWER
SM-C-587400
4820-00-545-2251INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
118515
6530-01-477-8907INTERCHANGEABLE
ULTRASONIC APPARATUS AND MUSCLE
77616
5305-01-495-8816INTERCHANGEABLE
SCREW,MACHINE
77601

Frequently Asked Questions

What is NSN 3040-01-417-6691?

NSN 3040-01-417-6691 is a Ring,rod,piston, manufactured by Hampton Hydraulics, Llc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-417-6691?

NSN 3040-01-417-6691 has 5 cross-referenced part numbers: 118515 (Victor Fluid Power Inc), 912426 PIECE 13 (Hampton Hydraulics, Llc), 912426 PIECE 13 (Victor Fluid Power Inc), 77601 (Hampton Hydraulics, Llc), 118515 (Hampton Hydraulics, Llc).

What NSN replaces 3040-01-417-6691?

There are 6 known substitutes for 3040-01-417-6691: 3110-00-144-8522, 3110-00-144-8892, 5950-00-234-6790 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77601?

Key specifications for 77601: Material: PLASTIC POLYAMIDE NYLON AND GLASS OVERALL; Standard Bore Diameter: 5.0000 INCHES5.0000 INCHES IN; Overall Width: 1.2500 INCHES NOMINAL1.2500 INCHES NOMINAL IN; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASSSTRATEGIC SEALIFT CONVERSION SHIPS CLASS. 6 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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