PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14957Washer,spring Tension

Mission Systems Orchard Park Inc · NSN 5310-00-905-6440 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-905-6440 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-905-6440. Primary manufacturer part number: 14957.
Features
  • Washer,spring Tension — FSC 5310
  • Material Document and Classification: QQ-C-533 HALF HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: BERYLLIUM OVERALL
  • Heat Treatment: HOT ROLLED OR COLD DRAWN 1/2 HARD CONDITION
  • Outside Diameter: 0.375 INCHES NOMINAL IN
  • Hole Diameter: 0.220 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
  • Minimum Tensile Strength: 185000 POUNDS PER SQUARE INCH LBS
  • Material Thickness: 0.005 INCHES NOMINAL IN
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 5310-00-905-6440, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-905-6440
Primary Part Number14957
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMission Systems Orchard Park Inc
StatusACTIVE
Material Document and ClassificationQQ-C-533 HALF HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialBERYLLIUM OVERALL
Heat TreatmentHOT ROLLED OR COLD DRAWN 1/2 HARD CONDITION
Outside Diameter0.375 INCHES NOMINAL IN
Hole Diameter0.220 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
Minimum Tensile Strength185000 POUNDS PER SQUARE INCH LBS
Material Thickness0.005 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-817-6056 INTERCHANGEABLE
Seal,plain Encased
5998-01-220-483314957 INTERCHANGEABLE
Circuit Card Assembly
Data Device Corp Dba Beta Transformer Technology
Cross-Reference Index
Part NumberManufacturer
14957 PRIMARY Mission Systems Orchard Park Inc (USA)
14957 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
Related Parts
5330-00-817-6056INTERCHANGEABLE
SEAL,PLAIN ENCASED
5998-01-220-4833INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
14957

Frequently Asked Questions

What is NSN 5310-00-905-6440?

NSN 5310-00-905-6440 is a Washer,spring Tension, manufactured by Mission Systems Orchard Park Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-905-6440?

NSN 5310-00-905-6440 has 2 cross-referenced part numbers: 14957 (Mission Systems Orchard Park Inc), 14957 (Ingersoll-Rand Company Dba Ingersoll-Rand).

What NSN replaces 5310-00-905-6440?

There are 2 known substitutes for 5310-00-905-6440: 5330-00-817-6056, 5998-01-220-4833. Verify interchangeability with system specifications before substitution.

What are the specifications of 14957?

Key specifications for 14957: Material Document and Classification: QQ-C-533 HALF HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: BERYLLIUM OVERALL; Heat Treatment: HOT ROLLED OR COLD DRAWN 1/2 HARD CONDITION; Outside Diameter: 0.375 INCHES NOMINAL IN. 8 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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