PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A9-511Ring,retaining

C E Niehoff & Co · NSN 5325-01-136-6096 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-136-6096 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-136-6096. Primary manufacturer part number: A9-511.
Features
  • Ring,retaining — FSC 5325
  • Casehardening Indicator: CASEHARDENED
  • Material: STEEL
  • End Style: 90 DEGREE PARALLEL
  • Outside Diameter: 0.718 INCHES MINIMUM AND 0.738 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: ROUND
  • Material Diameter: 0.059 INCHES NOMINAL IN
  • Ring Style: STRAIGHT GAP
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-136-6096, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is C E Niehoff & Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5325-01-136-6096
Primary Part NumberA9-511
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerC E Niehoff & Co
StatusACTIVE
Casehardening IndicatorCASEHARDENED
MaterialSTEEL
End Style90 DEGREE PARALLEL
Outside Diameter0.718 INCHES MINIMUM AND 0.738 INCHES MAXIMUM IN
Cross-Sectional Shape StyleROUND
Material Diameter0.059 INCHES NOMINAL IN
Ring StyleSTRAIGHT GAP
Inside Diameter0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
Usage DesignEXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5820-00-030-2969SC-D-1040 INTERCHANGEABLE
Reel,antenna
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5342-00-123-175452-0244-03 INTERCHANGEABLE
Bracket,pump Unit
North American Marine Jet, Inc
5950-00-132-6012A951-1 INTERCHANGEABLE
Transformer,electrical
Ward Leonard Ct Llc
Cross-Reference Index
Part NumberManufacturer
A9-511 PRIMARY C E Niehoff & Co (USA)
Related Parts
5820-00-030-2969INTERCHANGEABLE
REEL,ANTENNA
SC-D-1040
5342-00-123-1754INTERCHANGEABLE
BRACKET,PUMP UNIT
52-0244-03
5950-00-132-6012INTERCHANGEABLE
TRANSFORMER,ELECTRICAL
A951-1

Frequently Asked Questions

What is NSN 5325-01-136-6096?

NSN 5325-01-136-6096 is a Ring,retaining, manufactured by C E Niehoff & Co, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-136-6096?

NSN 5325-01-136-6096 has 1 cross-referenced part number: A9-511 (C E Niehoff & Co).

What NSN replaces 5325-01-136-6096?

There are 3 known substitutes for 5325-01-136-6096: 5820-00-030-2969, 5342-00-123-1754, 5950-00-132-6012. Verify interchangeability with system specifications before substitution.

What are the specifications of A9-511?

Key specifications for A9-511: Casehardening Indicator: CASEHARDENED; Material: STEEL; End Style: 90 DEGREE PARALLEL; Outside Diameter: 0.718 INCHES MINIMUM AND 0.738 INCHES MAXIMUM IN. 9 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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