PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51376Washer,flat

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5310-00-209-1718 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-209-1718 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-209-1718. Primary manufacturer part number: 51376.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
  • Hole Diameter: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
  • Material: STEEL COMP 1015 OVERALL
  • Material Document and Classification: AMS 5060 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Thickness: 0.037 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1015 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-209-1718, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-209-1718
Primary Part Number51376
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusCANCELLED
Overall Diameter1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
Hole Diameter0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
MaterialSTEEL COMP 1015 OVERALL
Material Document and ClassificationAMS 5060 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
Thickness0.037 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5330-00-285-83990606910-8 INTERCHANGEABLE
Seal,plain Encased
New Holland Construction
5330-00-641-099149224 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
2925-00-837-394451376 INTERCHANGEABLE
Connector,spark Plug
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
6160-01-219-64005-1376 INTERCHANGEABLE
Retainer,battery
Bird Electronic Corporation Div Bird Electronic Corp
Cross-Reference Index
Part NumberManufacturer
51376 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5330-00-285-8399INTERCHANGEABLE
SEAL,PLAIN ENCASED
0606910-8
5330-00-641-0991INTERCHANGEABLE
SEAL,PLAIN ENCASED
49224
2925-00-837-3944INTERCHANGEABLE
CONNECTOR,SPARK PLUG
51376
6160-01-219-6400INTERCHANGEABLE
RETAINER,BATTERY
5-1376

Frequently Asked Questions

What is NSN 5310-00-209-1718?

NSN 5310-00-209-1718 is a Washer,flat, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-209-1718?

NSN 5310-00-209-1718 has 1 cross-referenced part number: 51376 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5310-00-209-1718?

There are 4 known substitutes for 5310-00-209-1718: 5330-00-285-8399, 5330-00-641-0991, 2925-00-837-3944 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51376?

Key specifications for 51376: Overall Diameter: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN; Hole Diameter: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN; Material: STEEL COMP 1015 OVERALL; Material Document and Classification: AMS 5060 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-209-1718 still in active supply?

NSN 5310-00-209-1718 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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