PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N1300-256Ring,retaining

Seeger Inc Anderton-United Products Div · NSN 5325-00-923-6731 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-923-6731 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-923-6731. Primary manufacturer part number: N1300-256.
Features
  • Ring,retaining — FSC 5325
  • Usage Design: INTERNAL
  • Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
  • Material: STEEL
  • Material Document and Classification: FED STD NO. 66 AISI C1066 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
  • Casehardening Indicator: NOT CASEHARDENED
  • Major Thickness: 0.093 INCHES NOMINAL IN
  • Outside Diameter: 2.844 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-923-6731, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Seeger Inc Anderton-United Products Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 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
NSN5325-00-923-6731
Primary Part NumberN1300-256
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSeeger Inc Anderton-United Products Div
StatusACTIVE
Usage DesignINTERNAL
Material Hardness Rating47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
MaterialSTEEL
Material Document and ClassificationFED STD NO. 66 AISI C1066 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
Casehardening IndicatorNOT CASEHARDENED
Major Thickness0.093 INCHES NOMINAL IN
Outside Diameter2.844 INCHES NOMINAL IN
Ring StyleINTERNAL
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-518-4499 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-543-93651N256 INTERCHANGEABLE
Semiconductor Device,diode
Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp
5961-00-825-8867 INTERCHANGEABLE
Semiconductor Device,diode
4820-01-237-0113X-256-3 INTERCHANGEABLE
Cock,drain
Kohler Co Engine Plant Div
Cross-Reference Index
Part NumberManufacturer
N1300-256 Seeger Inc Anderton-United Products Div (USA)
1-N-256 Eaton Corp Engineered Fasteners Div (USA)
N1300-256 Rotor Clip Company, Inc. (USA)
X256 Truarc Co Llc (USA)
N5000-256 Rotor Clip Company, Inc. (USA)
N1300-256 Truarc Company Llc Dba Waldes Truarc (USA)
N5000-256 Truarc Company Llc Dba Waldes Truarc (USA)
MS16625-256 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
RRN256 Spir-O-Lok Inc (USA)
Related Parts
5961-00-518-4499INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-543-9365INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N256
5961-00-825-8867INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4820-01-237-0113INTERCHANGEABLE
COCK,DRAIN
X-256-3

Frequently Asked Questions

What is NSN 5325-00-923-6731?

NSN 5325-00-923-6731 is a Ring,retaining, manufactured by Seeger Inc Anderton-United Products Div, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-923-6731?

NSN 5325-00-923-6731 has 9 cross-referenced part numbers: N1300-256 (Seeger Inc Anderton-United Products Div), 1-N-256 (Eaton Corp Engineered Fasteners Div), N1300-256 (Rotor Clip Company, Inc.), X256 (Truarc Co Llc), N5000-256 (Rotor Clip Company, Inc.) and 4 more.

What NSN replaces 5325-00-923-6731?

There are 4 known substitutes for 5325-00-923-6731: 5961-00-518-4499, 5961-00-543-9365, 5961-00-825-8867 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N1300-256?

Key specifications for N1300-256: Usage Design: INTERNAL; Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM; Material: STEEL; Material Document and Classification: FED STD NO. 66 AISI C1066 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE. 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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