PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

911043Washer,flat

Aqua-Chem, Inc. Dba Aqua-Chem Inc · NSN 5310-00-275-1322 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-275-1322 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-275-1322. Primary manufacturer part number: 911043.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 1.843 INCHES NOMINAL IN
  • Thickness: 0.023 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.812 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-275-1322, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 39 commercial cross-references from 3 manufacturers, 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
NSN5310-00-275-1322
Primary Part Number911043
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAqua-Chem, Inc. Dba Aqua-Chem Inc
StatusACTIVE
MaterialSTEEL OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Overall Diameter1.843 INCHES NOMINAL IN
Thickness0.023 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Hole Diameter0.812 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-011-70510911043-8 INTERCHANGEABLE
Nut,plain,hexagon
Agco Corp Parts Opn
Cross-Reference Index
Part NumberManufacturer
SS6307B7756-1PC23 Marathon Electric, Llc (USA)
SS6173-837PC31 Marathon Electric, Llc (USA)
SS6661-625PC23 Marathon Electric, Llc (USA)
SS6361ITEM9 Marathon Electric, Llc (USA)
SS6353PC23 Marathon Electric, Llc (USA)
SS5787B3899-7PC26 Marathon Electric, Llc (USA)
SS6472-725PC23 Marathon Electric, Llc (USA)
SS6348B3899-6PC23 Marathon Electric, Llc (USA)
SS6479-837PC23 Marathon Electric, Llc (USA)
B6601AITEM15 Marathon Electric, Llc (USA)
SS50256-675PC32 Marathon Electric, Llc (USA)
SS6348B3899-6ITEM5 Marathon Electric, Llc (USA)
SS6231PC23 Marathon Electric, Llc (USA)
SS5787B3899-7ITEM7 Marathon Electric, Llc (USA)
SS6361PC42 Marathon Electric, Llc (USA)
SS50247-625ITEM15 Marathon Electric, Llc (USA)
SS6348B3899-16PC23 Marathon Electric, Llc (USA)
SS6352PC23 Marathon Electric, Llc (USA)
SS6307B3899-2PC23 Marathon Electric, Llc (USA)
911043 PRIMARY Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
Related Parts
5310-00-011-7051INTERCHANGEABLE
NUT,PLAIN,HEXAGON
0911043-8

Frequently Asked Questions

What is NSN 5310-00-275-1322?

NSN 5310-00-275-1322 is a Washer,flat, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-275-1322?

NSN 5310-00-275-1322 has 39 cross-referenced part numbers: SS6307B7756-1PC23 (Marathon Electric, Llc), SS6173-837PC31 (Marathon Electric, Llc), SS6661-625PC23 (Marathon Electric, Llc), SS6361ITEM9 (Marathon Electric, Llc), SS6353PC23 (Marathon Electric, Llc) and 34 more.

What NSN replaces 5310-00-275-1322?

There is 1 known substitute for 5310-00-275-1322: 5310-00-011-7051. Verify interchangeability with system specifications before substitution.

What are the specifications of 911043?

Key specifications for 911043: Material: STEEL OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Overall Diameter: 1.843 INCHES NOMINAL IN. 7 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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