PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILT43560Tester,spring Resiliency

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6635-00-540-9020 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-540-9020 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-540-9020. Primary manufacturer part number: MILT43560.
Features
  • Tester,spring Resiliency — FSC 6635
  • Scale Range: +0.0 TO 2.0 POUNDS LBS
  • Load Receiver Type: HOOK AND PUSH ROD AND CHISEL HEAD AND CONE HEAD AND FLAT HEAD AND NOTCHED HEAD
  • Mounting Method: PORTABLE
  • Operation Method: MANUAL
  • Scale Smallest Increment Graduation: 0.01 LBSMALLEST INCREMENT
  • Torque Indicating Wrench Usage Feature: NOT INCLUDED
  • Unit Type: WEIGHING SCALE
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Tester,spring Resiliency, cataloged under National Stock Number 6635-00-540-9020, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6635-00-540-9020
Primary Part NumberMILT43560
Item NameTester,spring Resiliency
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Scale Range+0.0 TO 2.0 POUNDS LBS
Load Receiver TypeHOOK AND PUSH ROD AND CHISEL HEAD AND CONE HEAD AND FLAT HEAD AND NOTCHED HEAD
Mounting MethodPORTABLE
Operation MethodMANUAL
Scale Smallest Increment Graduation0.01 LBSMALLEST INCREMENT
Torque Indicating Wrench Usage FeatureNOT INCLUDED
Unit TypeWEIGHING SCALE
Nondefinitive Spec/std DataII TYPE AND 2 CLASS AND 21 LB CAPACITY LBS
Measurement UnitPOUND
Spring Travel GageNOT INCLUDED
Spring Type for Which DesignedCOMPRESSION AND TENSION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6635-00-449-37505T INTERCHANGEABLE
Tester,spring Resiliency
Martindale Electric Company, the
6635-00-498-7910 INTERCHANGEABLE
Tester,spring Resiliency
6635-00-545-8500 INTERCHANGEABLE
Tester,spring Resiliency
6635-00-557-3237D150M INTERCHANGEABLE
Tester,spring Resiliency
Ametek, Inc. Div Aerospace & Defense
6635-00-578-5285 INTERCHANGEABLE
Tester,spring Resiliency
6635-00-578-5286 INTERCHANGEABLE
Tester,spring Resiliency
6635-00-606-9181LKG05 INTERCHANGEABLE
Tester,spring Resiliency
Ametek, Inc. Div Aerospace & Defense
6635-00-705-5469 INTERCHANGEABLE
Tester,spring Resiliency
6635-00-790-0733 INTERCHANGEABLE
Tester,spring Resiliency
6635-00-791-5915 INTERCHANGEABLE
Tester,spring Resiliency
Cross-Reference Index
Part NumberManufacturer
MILT43560 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CID A-A-59400 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
L1M Ametek, Inc. Div Aerospace & Defense (USA)
A-A-59400-2A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
DPPI Ametek Inc. (USA)
DPP1 Ametek Inc. (USA)
Related Parts
6635-00-449-3750INTERCHANGEABLE
TESTER,SPRING RESILIENCY
5T
6635-00-498-7910INTERCHANGEABLE
TESTER,SPRING RESILIENCY
6635-00-545-8500INTERCHANGEABLE
TESTER,SPRING RESILIENCY
6635-00-557-3237INTERCHANGEABLE
TESTER,SPRING RESILIENCY
D150M
6635-00-578-5285INTERCHANGEABLE
TESTER,SPRING RESILIENCY
6635-00-578-5286INTERCHANGEABLE
TESTER,SPRING RESILIENCY
6635-00-606-9181INTERCHANGEABLE
TESTER,SPRING RESILIENCY
LKG05
6635-00-705-5469INTERCHANGEABLE
TESTER,SPRING RESILIENCY
6635-00-790-0733INTERCHANGEABLE
TESTER,SPRING RESILIENCY
6635-00-791-5915INTERCHANGEABLE
TESTER,SPRING RESILIENCY
6635-00-867-0516INTERCHANGEABLE
TESTER,SPRING RESILIENCY
DFE2-500
6635-00-885-6903INTERCHANGEABLE
TESTER,SPRING RESILIENCY
DPP5

Frequently Asked Questions

What is NSN 6635-00-540-9020?

NSN 6635-00-540-9020 is a Tester,spring Resiliency, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6635 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6635-00-540-9020?

NSN 6635-00-540-9020 has 6 cross-referenced part numbers: MILT43560 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CID A-A-59400 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), L1M (Ametek, Inc. Div Aerospace & Defense), A-A-59400-2A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), DPPI (Ametek Inc.) and 1 more.

What NSN replaces 6635-00-540-9020?

There are 12 known substitutes for 6635-00-540-9020: 6635-00-449-3750, 6635-00-498-7910, 6635-00-545-8500 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILT43560?

Key specifications for MILT43560: Scale Range: +0.0 TO 2.0 POUNDS LBS; Load Receiver Type: HOOK AND PUSH ROD AND CHISEL HEAD AND CONE HEAD AND FLAT HEAD AND NOTCHED HEAD; Mounting Method: PORTABLE; Operation Method: MANUAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6635-00-540-9020 still in active supply?

NSN 6635-00-540-9020 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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