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NSN 5310-01-259-7010Government record, cited

Washer, Flat5310-01-259-7010

NSN 5310-01-259-7010 · NIIN 012597010 · Part number W1-280FP
Unicorp. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 04729
Government record, cited
NSN 5310-01-259-7010 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-259-7010. Manufacturer of record part number: W1-280FP.
Also searched as  5310-01-259-7010 · 5310012597010 · NIIN 012597010 · 01-259-7010 · FSC 5310 Nuts and Washers · CAGE 04729 · W1-280FP
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.250 INCHES NOMINAL IN
  • Material Document and Classification: MIL-P-15035 TY FB1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Material: PLASTIC PHENOLIC OVERALL
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.099 INCHES NOMINAL IN
Identification
  • NSN: 5310-01-259-7010
  • NIIN: 012597010
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: W1-280FP
  • Manufacturer: Unicorp.
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-259-7010, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Unicorp.. Government technical data includes 8 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
NSN5310-01-259-7010
Primary Part NumberW1-280FP
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerUnicorp.
StatusACTIVE
Overall Diameter0.250 INCHES NOMINAL IN
Material Document and ClassificationMIL-P-15035 TY FB1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
MaterialPLASTIC PHENOLIC OVERALL
Center Hole Shape StyleROUND
Hole Diameter0.099 INCHES NOMINAL IN
Thickness0.020 INCHES NOMINAL 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
W1-280FP PRIMARY Unicorp. (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 5310-01-259-7010?

NSN 5310-01-259-7010 is a Washer,flat, manufactured by Unicorp., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-259-7010?

NSN 5310-01-259-7010 has 1 manufacturer part number on file: W1-280FP (Unicorp.).

What are the specifications of W1-280FP?

Key specifications for W1-280FP: Overall Diameter: 0.250 INCHES NOMINAL IN; Material Document and Classification: MIL-P-15035 TY FB1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-259-7010 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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