PartsTable TECHNICAL DATA SHEET
NSN 5310-00-090-5046Government record, cited

Washer, Spring Tension5310-00-090-5046

NSN 5310-00-090-5046 · NIIN 000905046 · Part number ST4M158-1
The Boeing Company Div Defense · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 76301
Government record, cited
NSN 5310-00-090-5046 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-090-5046. Manufacturer of record part number: ST4M158-1.
Also searched as  5310-00-090-5046 · 5310000905046 · NIIN 000905046 · 00-090-5046 · FSC 5310 Nuts and Washers · CAGE 76301 · ST4M158-1
Nearby stock numbers  ·
Features
  • Washer,spring Tension — FSC 5310
  • Outside Diameter: 1.349 INCHES NOMINAL IN
  • Material Thickness: 0.025 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL OVERALL
  • Hole Diameter: 0.885 INCHES NOMINAL IN
  • 1 manufacturer part number on file
  • Manufacturer of record: The Boeing Company Div Defense
Identification
  • NSN: 5310-00-090-5046
  • NIIN: 000905046
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: ST4M158-1
  • Manufacturer: The Boeing Company Div Defense
General Description

The Washer,spring Tension, cataloged under National Stock Number 5310-00-090-5046, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 5 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
NSN5310-00-090-5046
Primary Part NumberST4M158-1
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Outside Diameter1.349 INCHES NOMINAL IN
Material Thickness0.025 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL OVERALL
Hole Diameter0.885 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
ST4M158-1 PRIMARY The Boeing Company Div Defense (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 5310-00-090-5046?

NSN 5310-00-090-5046 is a Washer,spring Tension, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-090-5046?

NSN 5310-00-090-5046 has 1 manufacturer part number on file: ST4M158-1 (The Boeing Company Div Defense).

What are the specifications of ST4M158-1?

Key specifications for ST4M158-1: Overall Height: 0.062 INCHES NOMINAL IN; Outside Diameter: 1.349 INCHES NOMINAL IN; Material Thickness: 0.025 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-090-5046 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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