PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3391Washer,spring Tension

Kearflex Engineering Company · NSN 5310-01-024-4837 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-024-4837 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-024-4837. Primary manufacturer part number: 3391.
Features
  • Washer,spring Tension — FSC 5310
  • Hole Diameter: 0.875 INCHES NOMINAL0.875 INCHES NOMINAL IN
  • Outside Diameter: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
  • Material Thickness: 0.0045 INCHES MINIMUM AND 0.0045 INCHES MINIMUM AND 0.0055 INCHES MAXIMUM0.0055 INCHES MAXIMUM IN
  • Material: NICKEL ALLOY OVERALL
  • 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 Washer,spring Tension, cataloged under National Stock Number 5310-01-024-4837, 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. Government technical data includes 4 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
NSN5310-01-024-4837
Primary Part Number3391
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKearflex Engineering Company
StatusACTIVE
Hole Diameter0.875 INCHES NOMINAL0.875 INCHES NOMINAL IN
Outside Diameter1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
Material Thickness0.0045 INCHES MINIMUM AND 0.0045 INCHES MINIMUM AND 0.0055 INCHES MAXIMUM0.0055 INCHES MAXIMUM IN
MaterialNICKEL ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5985-00-111-3503GT817U1 INTERCHANGEABLE
Dummy Load,electrical
Northrop Grumman Systems Corporation
4730-00-196-2059A733S-121CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
5310-00-252-54983391 INTERCHANGEABLE
Nut,plain,single Ball Seat,hexag
Alter Harry Co the Div of T E C
6685-00-479-9305CA030124 INTERCHANGEABLE
Thermostat,flow Control
Evans Tempcon Michigan, Llc
2520-00-499-8854203391 INTERCHANGEABLE
Gear
Clark Material Handling Company
9390-00-555-8865 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
2990-00-569-07843391 INTERCHANGEABLE
Sleeve,sliding,clut
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5950-00-648-67773391 INTERCHANGEABLE
Transformer,power
Precision Electronics, Inc
5998-00-828-9153 INTERCHANGEABLE
Circuit Card Assembly
5930-00-912-7519 INTERCHANGEABLE
Switch,push
Cross-Reference Index
Part NumberManufacturer
3391 PRIMARY Kearflex Engineering Company (USA)
Related Parts
5985-00-111-3503INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
GT817U1
4730-00-196-2059INTERCHANGEABLE
NIPPLE,PIPE
A733S-121CFB
5310-00-252-5498INTERCHANGEABLE
NUT,PLAIN,SINGLE BALL SEAT,HEXAG
3391
6685-00-479-9305INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
CA030124
2520-00-499-8854INTERCHANGEABLE
GEAR
203391
9390-00-555-8865INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
2990-00-569-0784INTERCHANGEABLE
SLEEVE,SLIDING,CLUT
3391
5950-00-648-6777INTERCHANGEABLE
TRANSFORMER,POWER
3391
5998-00-828-9153INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5930-00-912-7519INTERCHANGEABLE
SWITCH,PUSH
5975-00-976-4848INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
3391
5310-01-113-3549INTERCHANGEABLE
NUT,SEAT
3391

Frequently Asked Questions

What is NSN 5310-01-024-4837?

NSN 5310-01-024-4837 is a Washer,spring Tension, manufactured by Kearflex Engineering Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-024-4837?

NSN 5310-01-024-4837 has 1 cross-referenced part number: 3391 (Kearflex Engineering Company).

What NSN replaces 5310-01-024-4837?

There are 12 known substitutes for 5310-01-024-4837: 5985-00-111-3503, 4730-00-196-2059, 5310-00-252-5498 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3391?

Key specifications for 3391: Hole Diameter: 0.875 INCHES NOMINAL0.875 INCHES NOMINAL IN; Outside Diameter: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN; Overall Height: 0.030 INCHES MINIMUM AND 0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM0.035 INCHES MAXIMUM IN; Material Thickness: 0.0045 INCHES MINIMUM AND 0.0045 INCHES MINIMUM AND 0.0055 INCHES MAXIMUM0.0055 INCHES MAXIMUM IN. 5 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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