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NSN 5310-01-070-7130Government record, cited

Washer, Flat5310-01-070-7130

NSN 5310-01-070-7130 · NIIN 010707130 · Part number 251SC
Cosmo Corporation · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 05616
Government record, cited
NSN 5310-01-070-7130 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-070-7130. Manufacturer of record part number: 251SC.
Also searched as  5310-01-070-7130 · 5310010707130 · NIIN 010707130 · 01-070-7130 · FSC 5310 Nuts and Washers · CAGE 05616 · 251SC
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.750 INCHES NOMINAL IN
  • Material Document and Classification: ZYTEL 101,CAGEC 05616 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.250 INCHES NOMINAL IN
Identification
  • NSN: 5310-01-070-7130
  • NIIN: 010707130
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 251SC
  • Manufacturer: Cosmo Corporation
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-070-7130, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cosmo Corporation. 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
NSN5310-01-070-7130
Primary Part Number251SC
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerCosmo Corporation
StatusACTIVE
Overall Diameter0.750 INCHES NOMINAL IN
Material Document and ClassificationZYTEL 101,CAGEC 05616 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
MaterialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
Center Hole Shape StyleROUND
Hole Diameter0.250 INCHES NOMINAL IN
Thickness0.060 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
251SC PRIMARY Cosmo Corporation (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 5310-01-070-7130?

NSN 5310-01-070-7130 is a Washer,flat, manufactured by Cosmo Corporation, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-070-7130?

NSN 5310-01-070-7130 has 1 manufacturer part number on file: 251SC (Cosmo Corporation).

What are the specifications of 251SC?

Key specifications for 251SC: Overall Diameter: 0.750 INCHES NOMINAL IN; Material Document and Classification: ZYTEL 101,CAGEC 05616 MFR REF 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 5310-01-070-7130 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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