PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N5400-100SP271Ring,retaining

Rotor Clip Company, Inc. · NSN 5325-01-128-4963 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-128-4963 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-128-4963. Primary manufacturer part number: N5400-100SP271.
Features
  • Ring,retaining — FSC 5325
  • End Style: VERTEX CENTER OR ABOVE
  • Ring Style: INTERNAL
  • Material: STEEL COMP 1075
  • Material Document and Classification: SSAE 1075 ASSN STD SINGLE MATERIAL RESPONSE
  • Outside Diameter: 1.130 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN
  • Usage Design: INTERNAL
  • Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Applications
  • Applications requiring Steel Comp 1075 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-128-4963, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rotor Clip Company, Inc.. Government technical data includes 10 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
NSN5325-01-128-4963
Primary Part NumberN5400-100SP271
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerRotor Clip Company, Inc.
StatusACTIVE
End StyleVERTEX CENTER OR ABOVE
Ring StyleINTERNAL
MaterialSTEEL COMP 1075
Material Document and ClassificationSSAE 1075 ASSN STD SINGLE MATERIAL RESPONSE
Outside Diameter1.130 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN
Usage DesignINTERNAL
Material Hardness Rating47.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Casehardening IndicatorNOT CASEHARDENED
Major Thickness0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5962-01-128-4693 INTERCHANGEABLE
Microcircuit,memory
5962-01-171-0983ER-2051HR INTERCHANGEABLE
Microcircuit,digital
General Semiconductor Inc
5962-01-172-7369ER2051HR INTERCHANGEABLE
Microcircuit,linear
General Semiconductor Inc
Cross-Reference Index
Part NumberManufacturer
ER2051HR Zf Industrieantriebe Witten Gmbh (DEU)
N5400-100SP271 Truarc Company Llc Dba Waldes Truarc (USA)
N5400-100SP271 PRIMARY Rotor Clip Company, Inc. (USA)
4514586-9 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5962-01-128-4693INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-171-0983INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
ER-2051HR
5962-01-172-7369INTERCHANGEABLE
MICROCIRCUIT,LINEAR
ER2051HR

Frequently Asked Questions

What is NSN 5325-01-128-4963?

NSN 5325-01-128-4963 is a Ring,retaining, manufactured by Rotor Clip Company, Inc., classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-128-4963?

NSN 5325-01-128-4963 has 4 cross-referenced part numbers: ER2051HR (Zf Industrieantriebe Witten Gmbh), N5400-100SP271 (Truarc Company Llc Dba Waldes Truarc), N5400-100SP271 (Rotor Clip Company, Inc.), 4514586-9 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5325-01-128-4963?

There are 3 known substitutes for 5325-01-128-4963: 5962-01-128-4693, 5962-01-171-0983, 5962-01-172-7369. Verify interchangeability with system specifications before substitution.

What are the specifications of N5400-100SP271?

Key specifications for N5400-100SP271: End Style: VERTEX CENTER OR ABOVE; Ring Style: INTERNAL; Material: STEEL COMP 1075; Material Document and Classification: SSAE 1075 ASSN STD SINGLE MATERIAL RESPONSE. 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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