PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M23AWasher,lock

Raritan Engineering Company Inc · NSN 5310-01-546-1996 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-546-1996 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-546-1996. Primary manufacturer part number: M23A.
Features
  • Washer,lock — FSC 5310
  • Material: STEEL CORROSION RESISTING OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Raritan Engineering Company Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-546-1996, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Raritan Engineering Company Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-546-1996
Primary Part NumberM23A
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRaritan Engineering Company Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-202-748123-M 3/4 350PSI INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4820-00-202-7482 INTERCHANGEABLE
Valve,safety Relief
5935-00-242-1158FRE22952-2 INTERCHANGEABLE
Connector,receptacle,electrical
L3harris Technologies, Inc.
4820-00-541-275823MA 3/4IN 1000PSI AIR/GAS INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4130-01-032-29121305 INTERCHANGEABLE
Manifold,charging and Testing,re
Draf Industries, Inc
Cross-Reference Index
Part NumberManufacturer
M23A Raritan Engineering Company Inc (USA)
M23A Ami Marine (AUS)
Related Parts
4820-00-202-7481INTERCHANGEABLE
VALVE,SAFETY RELIEF
23-M 3/4 350PSI
4820-00-202-7482INTERCHANGEABLE
VALVE,SAFETY RELIEF
5935-00-242-1158INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
FRE22952-2
4820-00-541-2758INTERCHANGEABLE
VALVE,SAFETY RELIEF
23MA 3/4IN 1000PSI AIR/GAS
4130-01-032-2912INTERCHANGEABLE
MANIFOLD,CHARGING AND TESTING,RE
1305

Frequently Asked Questions

What is NSN 5310-01-546-1996?

NSN 5310-01-546-1996 is a Washer,lock, manufactured by Raritan Engineering Company Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-546-1996?

NSN 5310-01-546-1996 has 2 cross-referenced part numbers: M23A (Raritan Engineering Company Inc), M23A (Ami Marine).

What NSN replaces 5310-01-546-1996?

There are 5 known substitutes for 5310-01-546-1996: 4820-00-202-7481, 4820-00-202-7482, 5935-00-242-1158 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M23A?

Key specifications for M23A: End Item Identification: RARITAN ELECTRIC TOILET MODELS A8 AND A9; Material: STEEL CORROSION RESISTING OVERALL. 2 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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