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NSN 5310-01-031-7088Government record, cited

Washer, Flat5310-01-031-7088

NSN 5310-01-031-7088 · NIIN 010317088 · Part number B2358-I
Eaton Corporation Div Fed · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 15284
Government record, cited
NSN 5310-01-031-7088 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-031-7088. Manufacturer of record part number: B2358-I.
Also searched as  5310-01-031-7088 · 5310010317088 · NIIN 010317088 · 01-031-7088 · FSC 5310 Nuts and Washers · CAGE 15284 · B2358-I · B2358
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.312 INCHES NOMINAL IN
  • Material Document and Classification: AMS 5640 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5513 ASSN STD 2ND MATERIAL RESPONSE OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Material: STEEL COMP 303 OR STEEL COMP 304 OVERALL
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.102 INCHES NOMINAL IN
Identification
  • NSN: 5310-01-031-7088
  • NIIN: 010317088
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: B2358-I
  • Manufacturer: Eaton Corporation Div Fed
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-031-7088, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Eaton Corporation Div Fed. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-031-7088
Primary Part NumberB2358-I
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerEaton Corporation Div Fed
StatusACTIVE
Overall Diameter0.312 INCHES NOMINAL IN
Material Document and ClassificationAMS 5640 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5513 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
MaterialSTEEL COMP 303 OR STEEL COMP 304 OVERALL
Center Hole Shape StyleROUND
Hole Diameter0.102 INCHES NOMINAL IN
Thickness0.040 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
B2358 Eaton Corporation Div Fed (USA)
B2358-I PRIMARY Eaton Corporation Div Fed (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 5310-01-031-7088?

NSN 5310-01-031-7088 is a Washer,flat, manufactured by Eaton Corporation Div Fed, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-031-7088?

NSN 5310-01-031-7088 has 2 manufacturer part numbers on file: B2358 (Eaton Corporation Div Fed), B2358-I (Eaton Corporation Div Fed).

What are the specifications of B2358-I?

Key specifications for B2358-I: Overall Diameter: 0.312 INCHES NOMINAL IN; Material Document and Classification: AMS 5640 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5513 ASSN STD 2ND MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-031-7088 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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