PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1433Washer,flat

Lear Siegler Inc Sherwood Div · NSN 5310-00-290-8996 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-290-8996 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-290-8996. Primary manufacturer part number: 1433.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 1.062 INCHES NOMINAL IN
  • Material Document and Classification: MIL-R-1149 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thickness: 0.250 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: RUBBER SYNTHETIC OVERALL
  • Overall Diameter: 1.688 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-290-8996, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lear Siegler Inc Sherwood 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-290-8996
Primary Part Number1433
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLear Siegler Inc Sherwood Div
StatusACTIVE
Hole Diameter1.062 INCHES NOMINAL IN
Material Document and ClassificationMIL-R-1149 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Thickness0.250 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
MaterialRUBBER SYNTHETIC OVERALL
Overall Diameter1.688 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-173-54411433-9704 INTERCHANGEABLE
Resistor,decade
Iet Labs Inc
5999-00-233-0281 INTERCHANGEABLE
Contact,electrical
2520-00-622-37951433 INTERCHANGEABLE
Pressure Plate Assembly,clutch
Sachs-Boge of America
2805-00-735-6052112-0069 INTERCHANGEABLE
Pin,piston
Cummins Power Generation Inc.
2920-00-764-791214-33 INTERCHANGEABLE
Housing,rear,altern
Motorola Automotive Electronics
5940-00-771-81390S022977 INTERCHANGEABLE
Terminal,feedthru
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-00-904-9003M0DEL 1433 INTERCHANGEABLE
Connector,plug,electrical
Signal Communications Corp
5977-01-014-34781433 INTERCHANGEABLE
Holder,electrical Contact Brush
Ney Dental Inc
6515-01-233-76241433 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
4730-01-306-31591433-2 1/2IN-7 INTERCHANGEABLE
Strainer Element,sediment
Staples & Pfeiffer, Inc.
Cross-Reference Index
Part NumberManufacturer
1433 Lear Siegler Inc Sherwood Div (USA)
Related Parts
6625-00-173-5441INTERCHANGEABLE
RESISTOR,DECADE
1433-9704
5999-00-233-0281INTERCHANGEABLE
CONTACT,ELECTRICAL
2520-00-622-3795INTERCHANGEABLE
PRESSURE PLATE ASSEMBLY,CLUTCH
1433
2805-00-735-6052INTERCHANGEABLE
PIN,PISTON
112-0069
2920-00-764-7912INTERCHANGEABLE
HOUSING,REAR,ALTERN
14-33
5940-00-771-8139INTERCHANGEABLE
TERMINAL,FEEDTHRU
0S022977
5935-00-904-9003INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
M0DEL 1433
5977-01-014-3478INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
1433
6515-01-233-7624INTERCHANGEABLE
BAG,OSTOMY
1433
4730-01-306-3159INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
1433-2 1/2IN-7
4730-01-307-3770INTERCHANGEABLE
STRAINER,SEDIMENT
6530-01-342-2298INTERCHANGEABLE
BELT,PELVIC TRACTION
1433

Frequently Asked Questions

What is NSN 5310-00-290-8996?

NSN 5310-00-290-8996 is a Washer,flat, manufactured by Lear Siegler Inc Sherwood Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-290-8996?

NSN 5310-00-290-8996 has 1 cross-referenced part number: 1433 (Lear Siegler Inc Sherwood Div).

What NSN replaces 5310-00-290-8996?

There are 12 known substitutes for 5310-00-290-8996: 6625-00-173-5441, 5999-00-233-0281, 2520-00-622-3795 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1433?

Key specifications for 1433: Hole Diameter: 1.062 INCHES NOMINAL IN; Material Document and Classification: MIL-R-1149 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Thickness: 0.250 INCHES NOMINAL IN; Peripheral Shape Style: ROUND. 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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