PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L5Tester,spring Resiliency

Ametek, Inc. Div Aerospace & Defense · NSN 6635-00-885-6903 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-885-6903 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-885-6903. Primary manufacturer part number: L5.
Features
  • Tester,spring Resiliency — FSC 6635
  • Torque Indicating Wrench Usage Feature: NOT INCLUDED
  • Measurement Unit: POUND
  • Scale Range: +0.0 TO 5.0 POUNDS LBS
  • Mounting Method: PORTABLE
  • Load Receiver Type: HOOK AND PUSH ROD
  • Spring Travel Gage: NOT INCLUDED
  • Operation Method: MANUAL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Tester,spring Resiliency, cataloged under National Stock Number 6635-00-885-6903, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek, Inc. Div Aerospace & Defense. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN6635-00-885-6903
Primary Part NumberL5
Item NameTester,spring Resiliency
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
Torque Indicating Wrench Usage FeatureNOT INCLUDED
Measurement UnitPOUND
Scale Range+0.0 TO 5.0 POUNDS LBS
Mounting MethodPORTABLE
Load Receiver TypeHOOK AND PUSH ROD
Spring Travel GageNOT INCLUDED
Operation MethodMANUAL
Unit TypeWEIGHING SCALE
Spring Type for Which DesignedCOMPRESSION AND TENSION
Scale Smallest Increment Graduation0.05 LB SMALLEST INCREMENT LBS
Nondefinitive Spec/std Data1 CLASS AND A STYLE AND I TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4320-00-146-4642 INTERCHANGEABLE
Bearing with Pins
5120-00-189-2991L-5 INTERCHANGEABLE
Key,socket Head Screw
Ngk Metals Corporation Dba N G K Berylco
5340-00-231-98541004AL INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
6635-00-449-37505T INTERCHANGEABLE
Tester,spring Resiliency
Martindale Electric Company, the
6625-00-453-4683L5 INTERCHANGEABLE
Plug-in Unit,electrical-Electron
Telonic Berkeley, Inc. Dba Telonic Berkeley
6635-00-498-7910 INTERCHANGEABLE
Tester,spring Resiliency
6635-00-540-9020 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
5930-00-563-1614181002-466 INTERCHANGEABLE
Switch,rotary
Stromberg-Carlson Corp a Plessey Telecommunications Co
Cross-Reference Index
Part NumberManufacturer
GG512DM1 Northrop Grumman Systems Corporation (USA)
L5 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
MIL-T-43560 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
DPP5 PRIMARY Ametek Inc. (USA)
Related Parts
4320-00-146-4642INTERCHANGEABLE
BEARING WITH PINS
5120-00-189-2991INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
L-5
5340-00-231-9854INTERCHANGEABLE
KEY BLANK
1004AL
6635-00-449-3750INTERCHANGEABLE
TESTER,SPRING RESILIENCY
5T
6625-00-453-4683INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
L5
6635-00-498-7910INTERCHANGEABLE
TESTER,SPRING RESILIENCY
6635-00-540-9020INTERCHANGEABLE
TESTER,SPRING RESILIENCY
6635-00-545-8500INTERCHANGEABLE
TESTER,SPRING RESILIENCY
6635-00-557-3237INTERCHANGEABLE
TESTER,SPRING RESILIENCY
D150M
5930-00-563-1614INTERCHANGEABLE
SWITCH,ROTARY
181002-466
6635-00-578-5285INTERCHANGEABLE
TESTER,SPRING RESILIENCY
6635-00-578-5286INTERCHANGEABLE
TESTER,SPRING RESILIENCY

Frequently Asked Questions

What is NSN 6635-00-885-6903?

NSN 6635-00-885-6903 is a Tester,spring Resiliency, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6635 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6635-00-885-6903?

NSN 6635-00-885-6903 has 4 cross-referenced part numbers: GG512DM1 (Northrop Grumman Systems Corporation), L5 (Ametek, Inc. Div Aerospace & Defense), MIL-T-43560 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), DPP5 (Ametek Inc.).

What NSN replaces 6635-00-885-6903?

There are 12 known substitutes for 6635-00-885-6903: 4320-00-146-4642, 5120-00-189-2991, 5340-00-231-9854 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L5?

Key specifications for L5: Torque Indicating Wrench Usage Feature: NOT INCLUDED; Measurement Unit: POUND; Scale Range: +0.0 TO 5.0 POUNDS LBS; Mounting Method: PORTABLE. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6635-00-885-6903 still in active supply?

NSN 6635-00-885-6903 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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