PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6380Tester,spring Resiliency

S-T Industries, Inc. · NSN 6635-00-730-8603 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-730-8603 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-730-8603. Primary manufacturer part number: 6380.
Features
  • Tester,spring Resiliency — FSC 6635
  • Spring Type for Which Designed: TENSION
  • Operation Method: MANUAL
  • Mounting Method: PORTABLE
  • Scale Range: +0.0 TO 250.0 GRAMS G
  • Control Device Type: AUTOMATIC STOP
  • Measurement Unit: GRAM
  • Unit Type: MECHANICAL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Tester,spring Resiliency, cataloged under National Stock Number 6635-00-730-8603, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is S-T Industries, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-00-730-8603
Primary Part Number6380
Item NameTester,spring Resiliency
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerS-T Industries, Inc.
StatusACTIVE
Spring Type for Which DesignedTENSION
Operation MethodMANUAL
Mounting MethodPORTABLE
Scale Range+0.0 TO 250.0 GRAMS G
Control Device TypeAUTOMATIC STOP
Measurement UnitGRAM
Unit TypeMECHANICAL
Scale Smallest Increment Graduation10 GRAMS SMALLEST INCREMENT G
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-053-045341CL68968 INTERCHANGEABLE
Link,roller Chain
Altra Industrial Motion Corp.
2815-00-146-3031 INTERCHANGEABLE
Manifold,e,haust
6635-00-182-7534L20 INTERCHANGEABLE
Tester,spring Resiliency
Ametek Inc
8345-00-263-2490 INTERCHANGEABLE
Flag,national
8345-00-263-2497 INTERCHANGEABLE
Flag,national
4510-00-351-7668 INTERCHANGEABLE
Seat,faucet
6635-00-545-8500 INTERCHANGEABLE
Tester,spring Resiliency
6635-00-557-3237D150M INTERCHANGEABLE
Tester,spring Resiliency
Ametek, Inc. Div Aerospace & Defense
6635-00-578-5286 INTERCHANGEABLE
Tester,spring Resiliency
6635-00-705-5469 INTERCHANGEABLE
Tester,spring Resiliency
Cross-Reference Index
Part NumberManufacturer
6380 S-T Industries, Inc. (USA)
A-A-59400 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
62-6380 S-T Industries, Inc. (USA)
AA59400-2A1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
31-008-6 Black & Company (USA)
Related Parts
3020-00-053-0453INTERCHANGEABLE
LINK,ROLLER CHAIN
41CL68968
2815-00-146-3031INTERCHANGEABLE
MANIFOLD,E,HAUST
6635-00-182-7534INTERCHANGEABLE
TESTER,SPRING RESILIENCY
L20
8345-00-263-2490INTERCHANGEABLE
FLAG,NATIONAL
8345-00-263-2497INTERCHANGEABLE
FLAG,NATIONAL
4510-00-351-7668INTERCHANGEABLE
SEAT,FAUCET
6635-00-545-8500INTERCHANGEABLE
TESTER,SPRING RESILIENCY
6635-00-557-3237INTERCHANGEABLE
TESTER,SPRING RESILIENCY
D150M
6635-00-578-5286INTERCHANGEABLE
TESTER,SPRING RESILIENCY
6635-00-705-5469INTERCHANGEABLE
TESTER,SPRING RESILIENCY
2520-00-778-6291INTERCHANGEABLE
SHAFT,AXLE,AUTOMOTIVE
009310086
6635-00-790-0733INTERCHANGEABLE
TESTER,SPRING RESILIENCY

Frequently Asked Questions

What is NSN 6635-00-730-8603?

NSN 6635-00-730-8603 is a Tester,spring Resiliency, manufactured by S-T Industries, Inc., classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-00-730-8603?

NSN 6635-00-730-8603 has 5 cross-referenced part numbers: 6380 (S-T Industries, Inc.), A-A-59400 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 62-6380 (S-T Industries, Inc.), AA59400-2A1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 31-008-6 (Black & Company).

What NSN replaces 6635-00-730-8603?

There are 12 known substitutes for 6635-00-730-8603: 3020-00-053-0453, 2815-00-146-3031, 6635-00-182-7534 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6380?

Key specifications for 6380: Spring Type for Which Designed: TENSION; Special Features: CARRYING CASE; Operation Method: MANUAL; Mounting Method: PORTABLE. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com