PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31239Spring,loop

Pax Mfg Corp Hammarlund Mfg Co Div · NSN 5340-00-355-9879 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-355-9879 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-355-9879. Primary manufacturer part number: 31239.
Features
  • Spring,loop — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: Pax Mfg Corp Hammarlund Mfg Co Div
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,loop, cataloged under National Stock Number 5340-00-355-9879, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pax Mfg Corp Hammarlund Mfg Co Div. 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.

Catalog Facts
Item NameSpring,loop
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersPax Mfg Corp Hammarlund Mfg Co Div (CAGE 56394)
Successor NSN6130-01-556-6869 — Power Supply
Technical Specifications
ParameterValue
NSN5340-00-355-9879
Primary Part Number31239
Item NameSpring,loop
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerPax Mfg Corp Hammarlund Mfg Co Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6130-01-556-686931239 SUCCESSOR
Power Supply
Contour Metrological & Manufacturing, Inc Div Cmm Optic
5330-00-706-479431239 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5935-00-892-9035SC-C-76412 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3020-00-937-6053 INTERCHANGEABLE
Gear,spur
1280-01-012-189631239 INTERCHANGEABLE
Retainer Assembly,lower Control
Hamilton Sundstrand Corporation Dba Collins Aerospace
6645-01-451-126531239 INTERCHANGEABLE
Timer,interval
Alliance Laundry Systems Llc
Cross-Reference Index
Part NumberManufacturer
31239 PRIMARY Pax Mfg Corp Hammarlund Mfg Co Div (USA)
Related Parts
6130-01-556-6869SUCCESSOR
POWER SUPPLY
31239
5330-00-706-4794INTERCHANGEABLE
SEAL,PLAIN ENCASED
31239
5935-00-892-9035INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SC-C-76412
3020-00-937-6053INTERCHANGEABLE
GEAR,SPUR
1280-01-012-1896INTERCHANGEABLE
RETAINER ASSEMBLY,LOWER CONTROL
31239
6645-01-451-1265INTERCHANGEABLE
TIMER,INTERVAL
31239

Frequently Asked Questions

What is NSN 5340-00-355-9879?

NSN 5340-00-355-9879 is a Spring,loop, manufactured by Pax Mfg Corp Hammarlund Mfg Co Div, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-355-9879?

NSN 5340-00-355-9879 has 1 cross-referenced part number: 31239 (Pax Mfg Corp Hammarlund Mfg Co Div).

What NSN replaces 5340-00-355-9879?

There are 6 known substitutes for 5340-00-355-9879: 6130-01-556-6869, 5330-00-706-4794, 5935-00-892-9035 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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