PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SPR71Spring,helical,extension

Howard Industries Div of Cyclops Industries Inc · NSN 5360-00-682-1511 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-682-1511 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-682-1511. Primary manufacturer part number: SPR71.
Features
  • Spring,helical,extension — FSC 5360
  • Spring Free Outside Diameter: 0.118 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Hook Radius: 0.053 INCHES NOMINAL BOTH ENDS IN
  • End Style: SHORT TWISTED HOOK BOTH ENDS
  • Coil Quantity: 43
  • Spring Free Length: 1.125 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-682-1511, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howard Industries Div of Cyclops Industries Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5360-00-682-1511
Primary Part NumberSPR71
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerHoward Industries Div of Cyclops Industries Inc
StatusACTIVE
Spring Free Outside Diameter0.118 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Hook Radius0.053 INCHES NOMINAL BOTH ENDS IN
End StyleSHORT TWISTED HOOK BOTH ENDS
Coil Quantity43
Spring Free Length1.125 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND
Design TypeCLOSED
Inside Diameter0.078 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1370-00-134-1000 INTERCHANGEABLE
Breech Cap
5998-00-539-1508 INTERCHANGEABLE
Circuit Card Assembly
5945-00-552-456411CCP24DA INTERCHANGEABLE
Relay,electromagnetic
Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
4330-00-889-5608 INTERCHANGEABLE
Filter,fluid
2990-01-123-5796M100695 INTERCHANGEABLE
Muffler,exhaust
Donaldson Company, Inc.
3460-01-203-782311033 INTERCHANGEABLE
Piercer Pilot
Hougen Manufacturing, Inc
5365-01-226-483811033 INTERCHANGEABLE
Ring,lock,keyed
Brunson Instrument Company Dba Brunson Instrument Co
5961-01-344-9161 INTERCHANGEABLE
Transistor
5325-01-421-946511033 INTERCHANGEABLE
Ring,retaining
Spx Fluid Power
4730-01-465-2454 INTERCHANGEABLE
Nipple,hose
Cross-Reference Index
Part NumberManufacturer
SPR71 Howard Industries Div of Cyclops Industries Inc (USA)
6-885-700 Howard Industries Div of Cyclops Industries Inc (USA)
11033 Kleinschmidt Inc (USA)
Related Parts
1370-00-134-1000INTERCHANGEABLE
BREECH CAP
5998-00-539-1508INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5945-00-552-4564INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
11CCP24DA
4330-00-889-5608INTERCHANGEABLE
FILTER,FLUID
2990-01-123-5796INTERCHANGEABLE
MUFFLER,EXHAUST
M100695
3460-01-203-7823INTERCHANGEABLE
PIERCER PILOT
11033
5365-01-226-4838INTERCHANGEABLE
RING,LOCK,KEYED
11033
5961-01-344-9161INTERCHANGEABLE
TRANSISTOR
5325-01-421-9465INTERCHANGEABLE
RING,RETAINING
11033
4730-01-465-2454INTERCHANGEABLE
NIPPLE,HOSE
5945-01-529-6523INTERCHANGEABLE
BASE,ELECTRICAL RELAY
11033
6550-01-572-3261INTERCHANGEABLE
ANTIGLOBULIN TEST REAGENT
MTS 084024

Frequently Asked Questions

What is NSN 5360-00-682-1511?

NSN 5360-00-682-1511 is a Spring,helical,extension, manufactured by Howard Industries Div of Cyclops Industries Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-682-1511?

NSN 5360-00-682-1511 has 3 cross-referenced part numbers: SPR71 (Howard Industries Div of Cyclops Industries Inc), 6-885-700 (Howard Industries Div of Cyclops Industries Inc), 11033 (Kleinschmidt Inc).

What NSN replaces 5360-00-682-1511?

There are 12 known substitutes for 5360-00-682-1511: 1370-00-134-1000, 5998-00-539-1508, 5945-00-552-4564 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SPR71?

Key specifications for SPR71: Spring Free Outside Diameter: 0.118 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Hook Radius: 0.053 INCHES NOMINAL BOTH ENDS IN; End Style: SHORT TWISTED HOOK BOTH ENDS. 9 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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