PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1167951Washer,recessed

The Boeing Company · NSN 5310-00-448-2994 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-448-2994 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-448-2994. Primary manufacturer part number: 1167951.
Features
  • Washer,recessed — FSC 5310
  • Bottom Recess Angle: 90.0 DEGREES NOMINAL
  • Top Recess Angle: 90.0 DEGREES NOMINAL
  • Style Designator: RECESSED BOTH SIDES
  • Material Thickness: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
  • Hole Diameter: 0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
  • Top Recess Diameter: 0.437 INCHES NOMINAL IN
  • Material: STEEL COMP 4130 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4130 Overall construction
General Description

The Washer,recessed, cataloged under National Stock Number 5310-00-448-2994, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company. Government technical data includes 9 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-448-2994
Primary Part Number1167951
Item NameWasher,recessed
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerThe Boeing Company
StatusACTIVE
Bottom Recess Angle90.0 DEGREES NOMINAL
Top Recess Angle90.0 DEGREES NOMINAL
Style DesignatorRECESSED BOTH SIDES
Material Thickness0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Hole Diameter0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
Top Recess Diameter0.437 INCHES NOMINAL IN
MaterialSTEEL COMP 4130 OVERALL
Outside Diameter0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
Bottom Recess Diameter0.437 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6640-01-012-425731213 INTERCHANGEABLE
Incubator,bacteriological
Precision Scientific Petroleum Instruments Co
Cross-Reference Index
Part NumberManufacturer
1167951 The Boeing Company (USA)
1167951 PRIMARY The Boeing Company (USA)
Related Parts
6640-01-012-4257INTERCHANGEABLE
INCUBATOR,BACTERIOLOGICAL
31213

Frequently Asked Questions

What is NSN 5310-00-448-2994?

NSN 5310-00-448-2994 is a Washer,recessed, manufactured by The Boeing Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-448-2994?

NSN 5310-00-448-2994 has 2 cross-referenced part numbers: 1167951 (The Boeing Company), 1167951 (The Boeing Company).

What NSN replaces 5310-00-448-2994?

There is 1 known substitute for 5310-00-448-2994: 6640-01-012-4257. Verify interchangeability with system specifications before substitution.

What are the specifications of 1167951?

Key specifications for 1167951: Bottom Recess Angle: 90.0 DEGREES NOMINAL; Top Recess Angle: 90.0 DEGREES NOMINAL; Style Designator: RECESSED BOTH SIDES; Material Thickness: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN. 9 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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