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NSN 5310-01-287-2920Government record, cited

Washer, Spring Tension5310-01-287-2920

NSN 5310-01-287-2920 · NIIN 012872920 · Part number 9713K79
Mcmaster-Carr Supply Co · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 39428
Government record, cited
NSN 5310-01-287-2920 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-287-2920. Manufacturer of record part number: 9713K79.
Also searched as  5310-01-287-2920 · 5310012872920 · NIIN 012872920 · 01-287-2920 · FSC 5310 Nuts and Washers · CAGE 39428 · 9713K79
Nearby stock numbers  ·
Features
  • Washer,spring Tension — FSC 5310
  • Style Designator: SPRING TENSION
  • Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Outside Diameter: 1.125 INCHES MAXIMUM IN
  • Material Thickness: 0.053 INCHES NOMINAL IN
  • Material: STEEL COMP 302 OVERALL
  • Hole Diameter: 0.380 INCHES MINIMUM IN
  • 1 manufacturer part number on file
Identification
  • NSN: 5310-01-287-2920
  • NIIN: 012872920
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 9713K79
  • Manufacturer: Mcmaster-Carr Supply Co
General Description

The Washer,spring Tension, cataloged under National Stock Number 5310-01-287-2920, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-287-2920
Primary Part Number9713K79
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerMcmaster-Carr Supply Co
StatusACTIVE
Style DesignatorSPRING TENSION
Material Document and ClassificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter1.125 INCHES MAXIMUM IN
Material Thickness0.053 INCHES NOMINAL IN
MaterialSTEEL COMP 302 OVERALL
Hole Diameter0.380 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
9713K79 PRIMARY Mcmaster-Carr Supply Co (USA)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-287-2920?

NSN 5310-01-287-2920 is a Washer,spring Tension, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-287-2920?

NSN 5310-01-287-2920 has 1 manufacturer part number on file: 9713K79 (Mcmaster-Carr Supply Co).

What are the specifications of 9713K79?

Key specifications for 9713K79: Overall Height: 0.080 INCHES NOMINAL IN; Style Designator: SPRING TENSION; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.125 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-287-2920 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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