PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

575326-1Washer,flat

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5310-00-973-8660 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-973-8660 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-973-8660. Primary manufacturer part number: 575326-1.
Features
  • Washer,flat — FSC 5310
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Overall Diameter: 0.281 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.115 INCHES NOMINAL IN
  • Thickness: 0.047 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-973-8660, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-973-8660
Primary Part Number575326-1
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusCANCELLED
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Overall Diameter0.281 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Hole Diameter0.115 INCHES NOMINAL IN
Thickness0.047 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5975-00-152-1071144 INTERCHANGEABLE
Locknut,electrical Conduit
Abb Installation Products Inc
5910-00-196-116510805 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Cd Snow Hill, Llc
5310-00-208-5879 INTERCHANGEABLE
Nut,plain,extended Washer,hexago
5330-00-291-6387183F30 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6680-00-386-737610804 INTERCHANGEABLE
Indicator,sight,liquid
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5130-00-488-198310804 INTERCHANGEABLE
Bit,screwdriver
Bondhus Corp
5365-00-529-844310804 INTERCHANGEABLE
Spacer,sleeve
Eaton Corporation
1660-00-779-310910804 INTERCHANGEABLE
Valve,pressure Regu
Mission Systems Orchard Park Inc
5950-00-824-3851577R729H25 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6685-01-058-3618108-04 INTERCHANGEABLE
Dampener,fluid Pressure
Operating & Maintenance Specialties Inc
Cross-Reference Index
Part NumberManufacturer
1080-4 Miner and Associates Inc (USA)
1853048-163 Zf Industrieantriebe Witten Gmbh (DEU)
430-1853048-163 Zf Industrieantriebe Witten Gmbh (DEU)
SM-B-416109-1 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
NW115-281-047 The Delbert Blinn Co Inc (USA)
531001 Avtron Aerospace Inc (USA)
0N500705-1 Zf Industrieantriebe Witten Gmbh (DEU)
575326-1 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
1614010P1 Zf Industrieantriebe Witten Gmbh (DEU)
972301 Zf Industrieantriebe Witten Gmbh (DEU)
322775-02 Transico, Inc. Dba Eeco Switch (USA)
972-301 The Delbert Blinn Co Inc (USA)
Related Parts
5975-00-152-1071INTERCHANGEABLE
LOCKNUT,ELECTRICAL CONDUIT
144
5910-00-196-1165INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
10805
5310-00-208-5879INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,HEXAGO
5330-00-291-6387INTERCHANGEABLE
SEAL,PLAIN ENCASED
183F30
6680-00-386-7376INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
10804
5130-00-488-1983INTERCHANGEABLE
BIT,SCREWDRIVER
10804
5365-00-529-8443INTERCHANGEABLE
SPACER,SLEEVE
10804
1660-00-779-3109INTERCHANGEABLE
VALVE,PRESSURE REGU
10804
5950-00-824-3851INTERCHANGEABLE
COIL,RADIO FREQUENCY
577R729H25
6685-01-058-3618INTERCHANGEABLE
DAMPENER,FLUID PRESSURE
108-04
4130-01-065-1182INTERCHANGEABLE
CLAMP
3020-01-104-8159INTERCHANGEABLE
GEAR ASSEMBLY,SPUR
531001

Frequently Asked Questions

What is NSN 5310-00-973-8660?

NSN 5310-00-973-8660 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 5310-00-973-8660?

NSN 5310-00-973-8660 has 12 cross-referenced part numbers: 1080-4 (Miner and Associates Inc), 1853048-163 (Zf Industrieantriebe Witten Gmbh), 430-1853048-163 (Zf Industrieantriebe Witten Gmbh), SM-B-416109-1 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), NW115-281-047 (The Delbert Blinn Co Inc) and 7 more.

What NSN replaces 5310-00-973-8660?

There are 12 known substitutes for 5310-00-973-8660: 5975-00-152-1071, 5910-00-196-1165, 5310-00-208-5879 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 575326-1?

Key specifications for 575326-1: Material: PLASTIC POLYAMIDE NYLON OVERALL; Overall Diameter: 0.281 INCHES NOMINAL IN; Peripheral Shape Style: ROUND; Hole Diameter: 0.115 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-973-8660 still in active supply?

NSN 5310-00-973-8660 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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