PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1010-85Washer,shouldered

Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division · NSN 5310-01-274-7242 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-274-7242 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-274-7242. Primary manufacturer part number: 1010-85.
Features
  • Washer,shouldered — FSC 5310
  • Shoulder Diameter: 2.625 INCHES NOMINAL IN
  • Style Designator: SHOULDERED
  • Material Thickness: 0.156 INCHES NOMINAL IN
  • Shoulder Height: 0.343 INCHES NOMINAL IN
  • Outside Diameter: 3.000 INCHES NOMINAL IN
  • Hole Diameter: 2.1255 INCHES MINIMUM AND 2.1265 INCHES MAXIMUM IN
  • Material: STEEL COMP 1015 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1015 Overall construction
General Description

The Washer,shouldered, cataloged under National Stock Number 5310-01-274-7242, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-274-7242
Primary Part Number1010-85
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBelco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division
StatusACTIVE
Shoulder Diameter2.625 INCHES NOMINAL IN
Style DesignatorSHOULDERED
Material Thickness0.156 INCHES NOMINAL IN
Shoulder Height0.343 INCHES NOMINAL IN
Outside Diameter3.000 INCHES NOMINAL IN
Hole Diameter2.1255 INCHES MINIMUM AND 2.1265 INCHES MAXIMUM IN
MaterialSTEEL COMP 1015 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-186-0961 INTERCHANGEABLE
Washer,key
4920-00-714-5632101-085 INTERCHANGEABLE
Air Pump,vacuum and
Aerocontrolex Group, Inc.
9905-01-115-8157101085 INTERCHANGEABLE
Sign
Boart Longyear Co Inc Dba Cpn Intl Inc
6930-01-444-399510-1085 INTERCHANGEABLE
Indicator Simulated
Simtek, Inc. Dba Simtek Inc
6670-01-532-9303MH300-D INTERCHANGEABLE
Weight Set,commercial Scale Test
Intercomp Co
Cross-Reference Index
Part NumberManufacturer
1010-85 PRIMARY Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division (USA)
PM-105 ITEM 2 Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division (USA)
Related Parts
5310-00-186-0961INTERCHANGEABLE
WASHER,KEY
4920-00-714-5632INTERCHANGEABLE
AIR PUMP,VACUUM AND
101-085
9905-01-115-8157INTERCHANGEABLE
SIGN
101085
6930-01-444-3995INTERCHANGEABLE
INDICATOR SIMULATED
10-1085
6670-01-532-9303INTERCHANGEABLE
WEIGHT SET,COMMERCIAL SCALE TEST
MH300-D

Frequently Asked Questions

What is NSN 5310-01-274-7242?

NSN 5310-01-274-7242 is a Washer,shouldered, manufactured by Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-274-7242?

NSN 5310-01-274-7242 has 2 cross-referenced part numbers: 1010-85 (Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division), PM-105 ITEM 2 (Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division).

What NSN replaces 5310-01-274-7242?

There are 5 known substitutes for 5310-01-274-7242: 5310-00-186-0961, 4920-00-714-5632, 9905-01-115-8157 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1010-85?

Key specifications for 1010-85: Shoulder Diameter: 2.625 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; Style Designator: SHOULDERED; Material Thickness: 0.156 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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