PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R271NAA0098NN056NNNF1Ring,retaining

The American Society of Mechanical Engineers · NSN 5325-01-309-3268 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-309-3268 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-309-3268. Primary manufacturer part number: R271NAA0098NN056NNNF1.
Features
  • Ring,retaining — FSC 5325
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE TONAVICP MECH; ACTIVITY HX.
  • 4 verified cross-references
  • Primary manufacturer: The American Society of Mechanical Engineers
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-309-3268, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 2 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-01-309-3268
Primary Part NumberR271NAA0098NN056NNNF1
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE TONAVICP MECH; ACTIVITY HX.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-263-5866 INTERCHANGEABLE
Ring,retaining
5325-01-243-4943 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
R271NAA0098NN056NNNF1 The American Society of Mechanical Engineers (USA)
MS16624-3098 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
01-435-0212-5PC87 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
01-435-0146-5PC87 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
Related Parts
5325-00-263-5866INTERCHANGEABLE
RING,RETAINING
5325-01-243-4943INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5325-01-309-3268?

NSN 5325-01-309-3268 is a Ring,retaining, manufactured by The American Society of Mechanical Engineers, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-309-3268?

NSN 5325-01-309-3268 has 4 cross-referenced part numbers: R271NAA0098NN056NNNF1 (The American Society of Mechanical Engineers), MS16624-3098 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 01-435-0212-5PC87 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 01-435-0146-5PC87 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company).

What NSN replaces 5325-01-309-3268?

There are 2 known substitutes for 5325-01-309-3268: 5325-00-263-5866, 5325-01-243-4943. Verify interchangeability with system specifications before substitution.

What are the specifications of R271NAA0098NN056NNNF1?

Key specifications for R271NAA0098NN056NNNF1: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE TONAVICP MECH; ACTIVITY HX.; Special Features: SHAFT DIAMETER:0.984 INCH,MATERIAL:STEEL PHOSPHATE COATED IN. 3 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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