PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

201228Spring,flat

Aerosonic Llc · NSN 5360-00-448-0955 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-448-0955 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-448-0955. Primary manufacturer part number: 201228.
Features
  • Spring,flat — FSC 5360
  • Material Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
  • Material: COPPER ALLOY 172 OVERALL
  • Material Document and Classification: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Aerosonic Llc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Copper Alloy 172 Overall construction
General Description

The Spring,flat, cataloged under National Stock Number 5360-00-448-0955, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aerosonic Llc. Government technical data includes 3 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-448-0955
Primary Part Number201228
Item NameSpring,flat
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
Material Hardness Rating38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
MaterialCOPPER ALLOY 172 OVERALL
Material Document and ClassificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1660-00-313-0956201228 INTERCHANGEABLE
Seal,wheel,cooling
Honeywell International Inc. Div Aerospace - Torrance
5905-00-549-4411 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5365-00-867-6743C-201228 INTERCHANGEABLE
Ring,shredder
Itw Food Equipment Group Llc Dba Hobart Service
5365-01-541-15022012/28 INTERCHANGEABLE
Bushing Blank
Imeco Inc
Cross-Reference Index
Part NumberManufacturer
201228 PRIMARY Aerosonic Llc (USA)
Related Parts
1660-00-313-0956INTERCHANGEABLE
SEAL,WHEEL,COOLING
201228
5905-00-549-4411INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5365-00-867-6743INTERCHANGEABLE
RING,SHREDDER
C-201228
5365-01-541-1502INTERCHANGEABLE
BUSHING BLANK
2012/28

Frequently Asked Questions

What is NSN 5360-00-448-0955?

NSN 5360-00-448-0955 is a Spring,flat, manufactured by Aerosonic Llc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-448-0955?

NSN 5360-00-448-0955 has 1 cross-referenced part number: 201228 (Aerosonic Llc).

What NSN replaces 5360-00-448-0955?

There are 4 known substitutes for 5360-00-448-0955: 1660-00-313-0956, 5905-00-549-4411, 5365-00-867-6743 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 201228?

Key specifications for 201228: Special Features: HOLE CENTRALLY SPACED; 0.152 IN. DEEP CUT-OUT BOTH ENDS IN; Material Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM; Overall Length: 0.860 INCHES NOMINAL IN; Overall Height: 0.139 INCHES NOMINAL IN. 6 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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