PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11128Spring,helical,extension

Elbitamerica, Inc. · NSN 5360-00-905-1823 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-905-1823 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-905-1823. Primary manufacturer part number: 11128.
Features
  • Spring,helical,extension — FSC 5360
  • End Style: LONG ROUND HOOK BOTH ENDS
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Load Rating: 4.062 POUNDS NOMINAL LBS
  • Style Designator: CYLINDRICAL
  • Coil Quantity: 9-1/2
  • Opening Width: 0.074 INCHES NOMINAL BOTH ENDS IN
  • Spring Free Outside Diameter: 0.172 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-905-1823, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Elbitamerica, Inc.. Government technical data includes 12 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-905-1823
Primary Part Number11128
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerElbitamerica, Inc.
StatusACTIVE
End StyleLONG ROUND HOOK BOTH ENDS
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Load Rating4.062 POUNDS NOMINAL LBS
Style DesignatorCYLINDRICAL
Coil Quantity9-1/2
Opening Width0.074 INCHES NOMINAL BOTH ENDS IN
Spring Free Outside Diameter0.172 INCHES NOMINAL IN
Hook Radius0.020 INCHES NOMINAL BOTH ENDS IN
Spring Free Length0.528 INCHES NOMINAL IN
Material Document and ClassificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Spring Length Under Load0.828 INCHES NOMINAL IN
Design TypeCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5945-00-072-008011-1-28 INTERCHANGEABLE
Relay,electrical
Te Connectivity Corporation
5331-00-265-1095MS29513-128 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5120-00-278-106528820 INTERCHANGEABLE
Vise,bench and Pipe
Wilton Corp Wilton Tool Div
6150-00-549-67526476 INTERCHANGEABLE
Cable Assembly,power,electrical
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
5950-01-008-293011128 INTERCHANGEABLE
Transformer,audio Frequency
Standex Electronics, Inc.
5310-01-123-052011128 INTERCHANGEABLE
Washer,flat
Sabre Engines Ltd
4320-01-200-4305C220 INTERCHANGEABLE
Ring,wearing
Circor Naval Solutions Llc Dba Warren Pumps
4730-01-214-145411128 INTERCHANGEABLE
Elbow,pipe to Tube
Westerbeke Corporation
3120-01-326-197211/128 INTERCHANGEABLE
Bushing,sleeve
Delphi Powertrain Systems, Llc
5120-01-397-3289 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
11128 PRIMARY Elbitamerica, Inc. (USA)
Related Parts
5945-00-072-0080INTERCHANGEABLE
RELAY,ELECTRICAL
11-1-28
5331-00-265-1095INTERCHANGEABLE
O-RING
MS29513-128
5120-00-278-1065INTERCHANGEABLE
VISE,BENCH AND PIPE
28820
6150-00-549-6752INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
6476
5950-01-008-2930INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
11128
5310-01-123-0520INTERCHANGEABLE
WASHER,FLAT
11128
4320-01-200-4305INTERCHANGEABLE
RING,WEARING
C220
4730-01-214-1454INTERCHANGEABLE
ELBOW,PIPE TO TUBE
11128
3120-01-326-1972INTERCHANGEABLE
BUSHING,SLEEVE
11/128
5120-01-397-3289INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-01-671-7373INTERCHANGEABLE
TROWEL
6515-01-686-4926INTERCHANGEABLE
AIRWAY,NASOPHARYNGEAL
11-128

Frequently Asked Questions

What is NSN 5360-00-905-1823?

NSN 5360-00-905-1823 is a Spring,helical,extension, manufactured by Elbitamerica, Inc., classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-905-1823?

NSN 5360-00-905-1823 has 1 cross-referenced part number: 11128 (Elbitamerica, Inc.).

What NSN replaces 5360-00-905-1823?

There are 12 known substitutes for 5360-00-905-1823: 5945-00-072-0080, 5331-00-265-1095, 5120-00-278-1065 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11128?

Key specifications for 11128: End Style: LONG ROUND HOOK BOTH ENDS; Coil Helix Direction: RIGHT-HAND OR LEFT-HAND; Load Rating: 4.062 POUNDS NOMINAL LBS; Style Designator: CYLINDRICAL. 12 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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