PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A611X16Ring,retaining

David Brown Hydraulics Inc Dba Hydreco · NSN 5325-00-281-2936 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-281-2936 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-281-2936. Primary manufacturer part number: A611X16.
Features
  • Ring,retaining — FSC 5325
  • Strength Rating: ERR-060
  • Casehardening Indicator: NOT CASEHARDENED
  • Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
  • Material: STEEL
  • Material Document and Classification: QQ-S-633, AMEND. 2 FS 1065 TO FS 1090 FED SPEC SINGLE MATERIAL RESPONSE
  • Surface Treatment: CADMIUM OR DICHROMATE AND ZINC
  • Usage Design: EXTERNAL
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-281-2936, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is David Brown Hydraulics Inc Dba Hydreco. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 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
NSN5325-00-281-2936
Primary Part NumberA611X16
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerDavid Brown Hydraulics Inc Dba Hydreco
StatusACTIVE
Strength RatingERR-060
Casehardening IndicatorNOT CASEHARDENED
Material Hardness Rating47.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
MaterialSTEEL
Material Document and ClassificationQQ-S-633, AMEND. 2 FS 1065 TO FS 1090 FED SPEC SINGLE MATERIAL RESPONSE
Surface TreatmentCADMIUM OR DICHROMATE AND ZINC
Usage DesignEXTERNAL
Inside Diameter0.569 INCHES MINIMUM AND 0.584 INCHES MAXIMUM IN
Major Thickness0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Ring StyleEXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2815-00-246-499984920 INTERCHANGEABLE
Connecting Rod,piston
Perkins Engines Co Ltd
2530-00-353-0468231543 INTERCHANGEABLE
Diaphragm,chamber,brake
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
2915-00-918-5648583037 INTERCHANGEABLE
Housing and Inserts
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
2815-01-319-698884920 INTERCHANGEABLE
Connecting Rod,piston
Perkins Engines Inc
Cross-Reference Index
Part NumberManufacturer
A611X16 PRIMARY David Brown Hydraulics Inc Dba Hydreco (USA)
25704-281220-06-0 Knds Deutschland Gmbh & Co. Kg - Werk Kassel - (DEU)
269174R1 Navistar International Corporation Dba Navistar (USA)
583037 Liebherr-Aerospace Lindenberg Gmbh (DEU)
849-20 General Motors Llc Dba General Motors (USA)
25704-281220-06-0 Baainbw Dokumente Ohne Nutzungsrechte Des Baainbw Fur Beschaffungszwecke (DEU)
849-20 General Motors Llc Dba General Motors Llc (USA)
583037 Feinmechanische Werke Mainz Gmbh (DEU)
849-20 General Motors Corp (USA)
583037 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
2815-00-246-4999INTERCHANGEABLE
CONNECTING ROD,PISTON
84920
2530-00-353-0468INTERCHANGEABLE
DIAPHRAGM,CHAMBER,BRAKE
231543
2915-00-918-5648INTERCHANGEABLE
HOUSING AND INSERTS
583037
2815-01-319-6988INTERCHANGEABLE
CONNECTING ROD,PISTON
84920

Frequently Asked Questions

What is NSN 5325-00-281-2936?

NSN 5325-00-281-2936 is a Ring,retaining, manufactured by David Brown Hydraulics Inc Dba Hydreco, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-281-2936?

NSN 5325-00-281-2936 has 10 cross-referenced part numbers: A611X16 (David Brown Hydraulics Inc Dba Hydreco), 25704-281220-06-0 (Knds Deutschland Gmbh & Co. Kg - Werk Kassel -), 269174R1 (Navistar International Corporation Dba Navistar), 583037 (Liebherr-Aerospace Lindenberg Gmbh), 849-20 (General Motors Llc Dba General Motors) and 5 more.

What NSN replaces 5325-00-281-2936?

There are 4 known substitutes for 5325-00-281-2936: 2815-00-246-4999, 2530-00-353-0468, 2915-00-918-5648 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A611X16?

Key specifications for A611X16: Strength Rating: ERR-060; Casehardening Indicator: NOT CASEHARDENED; Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM; Material: STEEL. 11 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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