PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3893Nut,spring

Kearflex Engineering Company · NSN 5310-01-216-9516 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-216-9516 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-216-9516. Primary manufacturer part number: 3893.
Features
  • Nut,spring — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Kearflex Engineering Company
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Mechanical energy storage
  • Vibration dampening
General Description

The Nut,spring, cataloged under National Stock Number 5310-01-216-9516, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kearflex Engineering Company. 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 NameNut,spring
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersKearflex Engineering Company (CAGE 26136)
Technical Specifications
ParameterValue
NSN5310-01-216-9516
Primary Part Number3893
Item NameNut,spring
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKearflex Engineering Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5325-00-286-2578 INTERCHANGEABLE
Grommet,nonmetallic
5985-00-455-44878491B-003 INTERCHANGEABLE
Attenuator,fixed
Keysight Technologies Inc
1680-00-546-09333893 INTERCHANGEABLE
Support,harness Ree
Nell-Joy Industries, Inc.
6220-00-839-7439 INTERCHANGEABLE
Light,navigational,marine
5220-01-006-6552 INTERCHANGEABLE
Gage,profile
3020-01-184-55523893 INTERCHANGEABLE
Gear,spur
Ametek Inc Div Aerospace and Defense
Cross-Reference Index
Part NumberManufacturer
3893 PRIMARY Kearflex Engineering Company (USA)
Related Parts
5325-00-286-2578INTERCHANGEABLE
GROMMET,NONMETALLIC
5985-00-455-4487INTERCHANGEABLE
ATTENUATOR,FIXED
8491B-003
1680-00-546-0933INTERCHANGEABLE
SUPPORT,HARNESS REE
3893
6220-00-839-7439INTERCHANGEABLE
LIGHT,NAVIGATIONAL,MARINE
5220-01-006-6552INTERCHANGEABLE
GAGE,PROFILE
3020-01-184-5552INTERCHANGEABLE
GEAR,SPUR
3893

Frequently Asked Questions

What is NSN 5310-01-216-9516?

NSN 5310-01-216-9516 is a Nut,spring, manufactured by Kearflex Engineering Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-216-9516?

NSN 5310-01-216-9516 has 1 cross-referenced part number: 3893 (Kearflex Engineering Company).

What NSN replaces 5310-01-216-9516?

There are 6 known substitutes for 5310-01-216-9516: 5325-00-286-2578, 5985-00-455-4487, 1680-00-546-0933 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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