PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

721009Ring,rod,piston

Ramrod Industries Llc · NSN 3040-01-335-7734 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-335-7734 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-335-7734. Primary manufacturer part number: 721009.
Features
  • Ring,rod,piston — FSC 3040
  • Ring Style: CONCENTRICCONCENTRIC
  • Joint Style: DIAGONAL JOINTDIAGONAL JOINT
  • Radial Wall Thickness: 0.1220 INCHES MINIMUM AND 0.1220 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM0.1260 INCHES MAXIMUM IN
  • Material: GLASS AND PLASTIC OVERALL
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACEPLAIN RECTANGULAR, STRAIGHT FACE
  • Standard Bore Diameter: 2.504 INCHES2.504 INCHES IN
  • 4 verified cross-references
Applications
  • Applications requiring Glass and Plastic Overall construction
General Description

The Ring,rod,piston, cataloged under National Stock Number 3040-01-335-7734, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Ramrod Industries Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-335-7734
Primary Part Number721009
Item NameRing,rod,piston
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerRamrod Industries Llc
StatusACTIVE
Ring StyleCONCENTRICCONCENTRIC
Joint StyleDIAGONAL JOINTDIAGONAL JOINT
Radial Wall Thickness0.1220 INCHES MINIMUM AND 0.1220 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM0.1260 INCHES MAXIMUM IN
MaterialGLASS AND PLASTIC OVERALL
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACEPLAIN RECTANGULAR, STRAIGHT FACE
Standard Bore Diameter2.504 INCHES2.504 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-672-8865721009 INTERCHANGEABLE
Nut,e,tension Screw
Malabar
2805-01-335-7733721014 INTERCHANGEABLE
Ring,piston
Ramrod Industries Llc
2805-01-338-2153721028 INTERCHANGEABLE
Ring,piston
Ramrod Industries Llc
Cross-Reference Index
Part NumberManufacturer
P40436 Lull Lift Corp Dba Omniquip Parts Worldwide (USA)
721009 PRIMARY Ramrod Industries Llc (USA)
P40436 Jlg Industries, Inc. (USA)
721XXX Ramrod Industries Llc (USA)
Related Parts
5310-00-672-8865INTERCHANGEABLE
NUT,E,TENSION SCREW
721009
2805-01-335-7733INTERCHANGEABLE
RING,PISTON
721014
2805-01-338-2153INTERCHANGEABLE
RING,PISTON
721028

Frequently Asked Questions

What is NSN 3040-01-335-7734?

NSN 3040-01-335-7734 is a Ring,rod,piston, manufactured by Ramrod Industries Llc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-335-7734?

NSN 3040-01-335-7734 has 4 cross-referenced part numbers: P40436 (Lull Lift Corp Dba Omniquip Parts Worldwide), 721009 (Ramrod Industries Llc), P40436 (Jlg Industries, Inc.), 721XXX (Ramrod Industries Llc).

What NSN replaces 3040-01-335-7734?

There are 3 known substitutes for 3040-01-335-7734: 5310-00-672-8865, 2805-01-335-7733, 2805-01-338-2153. Verify interchangeability with system specifications before substitution.

What are the specifications of 721009?

Key specifications for 721009: Ring Style: CONCENTRICCONCENTRIC; Joint Style: DIAGONAL JOINTDIAGONAL JOINT; Overall Width: 0.9950 INCHES MINIMUM AND 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM1.0050 INCHES MAXIMUM IN; Radial Wall Thickness: 0.1220 INCHES MINIMUM AND 0.1220 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM0.1260 INCHES MAXIMUM IN. 8 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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