PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50054-3Spring,helical,extension

Arma Div Ambac Industries Inc · NSN 5360-00-316-4511 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-316-4511 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-316-4511. Primary manufacturer part number: 50054-3.
Features
  • Spring,helical,extension — FSC 5360
  • Inside Diameter: 0.281 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Spring Free Outside Diameter: 0.375 INCHES NOMINAL IN
  • Spring Free Length: 1.344 INCHES NOMINAL IN
  • End Style: EXTENDED LOOP BOTH ENDS
  • Design Type: CLOSED
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Uns K08500 Overall construction
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-316-4511, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Arma Div Ambac Industries Inc. Government technical data includes 13 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-316-4511
Primary Part Number50054-3
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerArma Div Ambac Industries Inc
StatusACTIVE
Inside Diameter0.281 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Spring Free Outside Diameter0.375 INCHES NOMINAL IN
Spring Free Length1.344 INCHES NOMINAL IN
End StyleEXTENDED LOOP BOTH ENDS
Design TypeCLOSED
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Material Document and ClassificationQQ-W-470A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A
Coil to Hook Inside Length0.438 INCHES NOMINAL SECOND END IN
Hook Radius0.094 INCHES NOMINAL BOTH ENDS IN
Coil Quantity10
Coil to Hook Inside Length0.297 INCHES NOMINAL FIRST END IN
MaterialSTEEL UNS K08500 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-690-8923LM501349-LM501310 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5325-00-714-06295005-43 INTERCHANGEABLE
Ring,retaining
Rotor Clip Company, Inc.
3110-00-935-5616500544 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5342-01-271-1323 INTERCHANGEABLE
Bellows,protection
2910-01-423-2507955TEM INTERCHANGEABLE
Motor Flusher
Tempo Products Co
4730-01-601-1230500543 INTERCHANGEABLE
Adapter Cool
Brp Us Inc
Cross-Reference Index
Part NumberManufacturer
50054-3 Arma Div Ambac Industries Inc
Related Parts
3110-00-690-8923INTERCHANGEABLE
BEARING,ROLLER,TAPERED
LM501349-LM501310
5325-00-714-0629INTERCHANGEABLE
RING,RETAINING
5005-43
3110-00-935-5616INTERCHANGEABLE
BEARING,BALL,ANNULAR
500544
5342-01-271-1323INTERCHANGEABLE
BELLOWS,PROTECTION
2910-01-423-2507INTERCHANGEABLE
MOTOR FLUSHER
955TEM
4730-01-601-1230INTERCHANGEABLE
ADAPTER COOL
500543

Frequently Asked Questions

What is NSN 5360-00-316-4511?

NSN 5360-00-316-4511 is a Spring,helical,extension, manufactured by Arma Div Ambac Industries Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-316-4511?

NSN 5360-00-316-4511 has 1 cross-referenced part number: 50054-3 (Arma Div Ambac Industries Inc).

What NSN replaces 5360-00-316-4511?

There are 6 known substitutes for 5360-00-316-4511: 3110-00-690-8923, 5325-00-714-0629, 3110-00-935-5616 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50054-3?

Key specifications for 50054-3: Inside Diameter: 0.281 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Spring Free Outside Diameter: 0.375 INCHES NOMINAL IN; Spring Free Length: 1.344 INCHES NOMINAL IN. 13 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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