PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F1004-006Washer,spring Tension

Barnes Group Inc. Dba Associated Spring Div Associated Spring Bristol · NSN 5310-00-787-8900 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-787-8900 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-787-8900. Primary manufacturer part number: F1004-006.
Features
  • Washer,spring Tension — FSC 5310
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: SPRING TENSION
  • Material Thickness: 0.007 INCHES NOMINAL IN
  • Material: STEEL COMP 1050 OVERALL
  • Hole Diameter: 0.516 INCHES NOMINAL IN
  • Outside Diameter: 1.004 INCHES NOMINAL IN
  • 8 verified cross-references
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 5310-00-787-8900, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barnes Group Inc. Dba Associated Spring Div Associated Spring Bristol. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-787-8900
Primary Part NumberF1004-006
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBarnes Group Inc. Dba Associated Spring Div Associated Spring Bristol
StatusCANCELLED
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSPRING TENSION
Material Thickness0.007 INCHES NOMINAL IN
MaterialSTEEL COMP 1050 OVERALL
Hole Diameter0.516 INCHES NOMINAL IN
Outside Diameter1.004 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-004-63208039A INTERCHANGEABLE
Transformer,power
Standex Electronics, Inc.
2520-00-039-58314361 INTERCHANGEABLE
Housing
Eaton Corp Transmission Div
5310-00-141-9703720625-7REVC INTERCHANGEABLE
Washer,spring Tension
Lockheed Martin Corporation Div Rms - Mitchel Field
5950-00-184-4823678-2390-00 INTERCHANGEABLE
Reactor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3455-00-243-217911880 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
5305-00-271-3570 INTERCHANGEABLE
Screw,machine
5120-00-277-1594 INTERCHANGEABLE
Wrench,box
5120-00-357-5182 INTERCHANGEABLE
Adapter,mechanical Puller
6625-00-458-8578 INTERCHANGEABLE
Adapter,test
5999-00-879-406911018012-1 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
791-512-9006 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
8039 Barnes Group Canada Incassociated Spring Opns (CAN)
752-5041-2 Bell Canadabusiness Office (CAN)
8039A Barnes Group Inc. Dba Associated Spring Div Associated Spring Bristol (USA)
8039 Barnes Group Inc (USA)
F1004-007 Barnes Group Inc. Dba Associated Spring Div Associated Spring Bristol (USA)
F1004-006 PRIMARY Barnes Group Inc. Dba Associated Spring Div Associated Spring Bristol (USA)
752-5041-2 Northern Telecom Inc Telecom Distribution Div (USA)
Related Parts
5950-00-004-6320INTERCHANGEABLE
TRANSFORMER,POWER
8039A
2520-00-039-5831INTERCHANGEABLE
HOUSING
4361
5310-00-141-9703INTERCHANGEABLE
WASHER,SPRING TENSION
720625-7REVC
5950-00-184-4823INTERCHANGEABLE
REACTOR
678-2390-00
3455-00-243-2179INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11880
5305-00-271-3570INTERCHANGEABLE
SCREW,MACHINE
5120-00-277-1594INTERCHANGEABLE
WRENCH,BOX
5120-00-357-5182INTERCHANGEABLE
ADAPTER,MECHANICAL PULLER
6625-00-458-8578INTERCHANGEABLE
ADAPTER,TEST
5999-00-879-4069INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
11018012-1
4520-01-021-4951INTERCHANGEABLE
CONTROL ASSEMBLY,MANUAL
5360-01-190-1632INTERCHANGEABLE
SPRING
8039

Frequently Asked Questions

What is NSN 5310-00-787-8900?

NSN 5310-00-787-8900 is a Washer,spring Tension, manufactured by Barnes Group Inc. Dba Associated Spring Div Associated Spring Bristol, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-787-8900?

NSN 5310-00-787-8900 has 8 cross-referenced part numbers: 791-512-9006 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 8039 (Barnes Group Canada Incassociated Spring Opns), 752-5041-2 (Bell Canadabusiness Office), 8039A (Barnes Group Inc. Dba Associated Spring Div Associated Spring Bristol), 8039 (Barnes Group Inc) and 3 more.

What NSN replaces 5310-00-787-8900?

There are 12 known substitutes for 5310-00-787-8900: 5950-00-004-6320, 2520-00-039-5831, 5310-00-141-9703 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F1004-006?

Key specifications for F1004-006: End Item Identification: W/S: AIRCRAFT, HERCULES C-130; HELICOPTER, SEA KNIGHT H-46; AIRCRAFT, HERCULES KC-130; AIRCRAFT, INTRUDER A-6E; A/A42R-1 REFUELING SYSTEM; AIRCRAFT, VIKING S-3B; TA-4J AIRCRAFT; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Style Designator: SPRING TENSION; Overall Height: 0.125 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-787-8900 still in active supply?

NSN 5310-00-787-8900 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com