PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-074Washer,flat

Raytheon Company Dba Raytheon Co · NSN 5310-01-081-8860 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-081-8860 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-081-8860. Primary manufacturer part number: 3-074.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material: STEEL CORROSION RESISTING OVERALL
  • Thickness: 0.048 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.312 INCHES NOMINAL IN
  • Hole Diameter: 0.173 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-081-8860, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-081-8860
Primary Part Number3-074
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Peripheral Shape StyleROUND
MaterialSTEEL CORROSION RESISTING OVERALL
Thickness0.048 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.312 INCHES NOMINAL IN
Hole Diameter0.173 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2530-00-062-0343 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
4820-00-281-4709S3074 INTERCHANGEABLE
Valve,check
Tactair Fluid Controls Inc
5325-00-640-99852R53P19 INTERCHANGEABLE
Grommet,nonmetallic
Lockheed Martin Corporation Div Rms
1660-00-730-3557307-4 INTERCHANGEABLE
Butterfly,valve
Industrial Design Laboratories Inc
5945-00-818-13742266019 INTERCHANGEABLE
Chopper,electronic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5342-01-100-87223074 INTERCHANGEABLE
Insert
Emd Millipore Corp Dba Milliporesigma Div Emd Millipore Corporation
6515-01-152-77293074 INTERCHANGEABLE
Catheter,tracheal
C. R. Bard, Inc.
6515-01-153-54983074 INTERCHANGEABLE
Cath and Con Suct E
Becton Dickinson and Co Bard-Parker Div
5330-01-195-7867307-4 INTERCHANGEABLE
Gasket
Steward Machine Co Inc
4330-01-328-67061122-30 INTERCHANGEABLE
Stand,separator,oil
Separation & Recovery Systems Inc
Cross-Reference Index
Part NumberManufacturer
3-074 Raytheon Company (USA)
3-074 PRIMARY Raytheon Company Dba Raytheon Co (USA)
3-074 Raytheon Company Div Corp (USA)
Related Parts
2530-00-062-0343INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
4820-00-281-4709INTERCHANGEABLE
VALVE,CHECK
S3074
5325-00-640-9985INTERCHANGEABLE
GROMMET,NONMETALLIC
2R53P19
1660-00-730-3557INTERCHANGEABLE
BUTTERFLY,VALVE
307-4
5945-00-818-1374INTERCHANGEABLE
CHOPPER,ELECTRONIC
2266019
5342-01-100-8722INTERCHANGEABLE
INSERT
3074
6515-01-152-7729INTERCHANGEABLE
CATHETER,TRACHEAL
3074
6515-01-153-5498INTERCHANGEABLE
CATH AND CON SUCT E
3074
5330-01-195-7867INTERCHANGEABLE
GASKET
307-4
4330-01-328-6706INTERCHANGEABLE
STAND,SEPARATOR,OIL
1122-30

Frequently Asked Questions

What is NSN 5310-01-081-8860?

NSN 5310-01-081-8860 is a Washer,flat, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-081-8860?

NSN 5310-01-081-8860 has 3 cross-referenced part numbers: 3-074 (Raytheon Company), 3-074 (Raytheon Company Dba Raytheon Co), 3-074 (Raytheon Company Div Corp).

What NSN replaces 5310-01-081-8860?

There are 10 known substitutes for 5310-01-081-8860: 2530-00-062-0343, 4820-00-281-4709, 5325-00-640-9985 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-074?

Key specifications for 3-074: Peripheral Shape Style: ROUND; Material: STEEL CORROSION RESISTING OVERALL; Thickness: 0.048 INCHES NOMINAL IN; Surface Treatment: PASSIVATE OVERALL. 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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