PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10522Nut,sheet Spring

Kleinschmidt Inc · NSN 5310-00-579-1223 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-579-1223 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-579-1223. Primary manufacturer part number: 10522.
Features
  • Nut,sheet Spring — FSC 5310
  • Material Thickness: 0.028 INCHES NOMINAL IN
  • Mating Member Diameter Accommodated: 0.164 INCHES NOMINAL IN
  • Nut Width: 0.438 INCHES NOMINAL IN
  • Nut Length: 0.625 INCHES NOMINAL IN
  • Surface Treatment: PHOSPHATE OVERALL
  • Material: STEEL OVERALL
  • Nut Style: SHEET SPRING
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Mechanical energy storage
  • Vibration dampening
General Description

The Nut,sheet Spring, cataloged under National Stock Number 5310-00-579-1223, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kleinschmidt Inc. Government technical data includes 7 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-579-1223
Primary Part Number10522
Item NameNut,sheet Spring
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKleinschmidt Inc
StatusACTIVE
Material Thickness0.028 INCHES NOMINAL IN
Mating Member Diameter Accommodated0.164 INCHES NOMINAL IN
Nut Width0.438 INCHES NOMINAL IN
Nut Length0.625 INCHES NOMINAL IN
Surface TreatmentPHOSPHATE OVERALL
MaterialSTEEL OVERALL
Nut StyleSHEET SPRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4320-00-177-3027255047-4 INTERCHANGEABLE
Sleeve,shaft,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5935-00-283-3825105-2-2 INTERCHANGEABLE
Jack,tip
Kearfott Corporation Div Guidance and Navigation Division
5360-00-947-133610522 INTERCHANGEABLE
Spring,helical,extension
Schenck Usa Corp. Dba Schenck Usa Corp
3950-01-096-502810522 INTERCHANGEABLE
Parts Kit,winch
DP Manufacturing Inc.
5120-01-138-47973269541 INTERCHANGEABLE
Wrench,spanner
Naval Sea Systems Command
6530-01-139-9406 INTERCHANGEABLE
Pad Set,orthopedic
5305-01-334-045610522 INTERCHANGEABLE
Screw,cap,hexagon Head
Auto Vehicle Parts Co Dba Au-Ve-Co
Cross-Reference Index
Part NumberManufacturer
10522 Kleinschmidt Inc (USA)
Related Parts
4320-00-177-3027INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
255047-4
5935-00-283-3825INTERCHANGEABLE
JACK,TIP
105-2-2
5360-00-947-1336INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
10522
3950-01-096-5028INTERCHANGEABLE
PARTS KIT,WINCH
10522
5120-01-138-4797INTERCHANGEABLE
WRENCH,SPANNER
3269541
6530-01-139-9406INTERCHANGEABLE
PAD SET,ORTHOPEDIC
5305-01-334-0456INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
10522

Frequently Asked Questions

What is NSN 5310-00-579-1223?

NSN 5310-00-579-1223 is a Nut,sheet Spring, manufactured by Kleinschmidt Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-579-1223?

NSN 5310-00-579-1223 has 1 cross-referenced part number: 10522 (Kleinschmidt Inc).

What NSN replaces 5310-00-579-1223?

There are 7 known substitutes for 5310-00-579-1223: 4320-00-177-3027, 5935-00-283-3825, 5360-00-947-1336 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10522?

Key specifications for 10522: Material Thickness: 0.028 INCHES NOMINAL IN; Mating Member Diameter Accommodated: 0.164 INCHES NOMINAL IN; Nut Width: 0.438 INCHES NOMINAL IN; Nut Length: 0.625 INCHES NOMINAL IN. 7 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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