PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-276Washer,key

Dresser Industries Inc Leroi Div · NSN 5310-00-448-0912 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-448-0912 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-448-0912. Primary manufacturer part number: 20-276.
Features
  • Washer,key — FSC 5310
  • Hole Diameter: 1.141 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: KEY
  • Material Thickness: 0.037 INCHES NOMINAL IN
  • Internal Key Quantity: 1
  • Internal Straight Key Width: 0.188 INCHES NOMINAL IN
  • Outside Diameter: 2.125 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-448-0912, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-448-0912
Primary Part Number20-276
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
Hole Diameter1.141 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorKEY
Material Thickness0.037 INCHES NOMINAL IN
Internal Key Quantity1
Internal Straight Key Width0.188 INCHES NOMINAL IN
Outside Diameter2.125 INCHES NOMINAL IN
Distance From Centerline to Top of Internal Key0.508 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5935-00-257-8695SM-B-387613 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5365-01-026-112620276 INTERCHANGEABLE
Shim
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5962-01-069-3713CD4044AD INTERCHANGEABLE
Microcircuit,digital
L3 Technologies, Inc. Div Communication Systems-East
4720-01-159-2752 INTERCHANGEABLE
Hose,preformed
5360-01-436-022720276 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6150-01-708-863620276 INTERCHANGEABLE
Plug,power
Cdw Government Llc
Cross-Reference Index
Part NumberManufacturer
20-276 PRIMARY Dresser Industries Inc Leroi Div (USA)
Related Parts
5935-00-257-8695INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SM-B-387613
5365-01-026-1126INTERCHANGEABLE
SHIM
20276
5962-01-069-3713INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
CD4044AD
4720-01-159-2752INTERCHANGEABLE
HOSE,PREFORMED
5360-01-436-0227INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20276
6150-01-708-8636INTERCHANGEABLE
PLUG,POWER
20276

Frequently Asked Questions

What is NSN 5310-00-448-0912?

NSN 5310-00-448-0912 is a Washer,key, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-448-0912?

NSN 5310-00-448-0912 has 1 cross-referenced part number: 20-276 (Dresser Industries Inc Leroi Div).

What NSN replaces 5310-00-448-0912?

There are 6 known substitutes for 5310-00-448-0912: 5935-00-257-8695, 5365-01-026-1126, 5962-01-069-3713 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-276?

Key specifications for 20-276: Hole Diameter: 1.141 INCHES NOMINAL IN; Material: STEEL OVERALL; Style Designator: KEY; Material Thickness: 0.037 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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