PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4157Washer,flat

Amtec Inc · NSN 5310-01-273-2246 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-273-2246 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-273-2246. Primary manufacturer part number: 4157.
Features
  • Washer,flat — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Amtec Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-273-2246, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Amtec Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersAmtec Inc (CAGE 0B6S9)
Technical Specifications
ParameterValue
NSN5310-01-273-2246
Primary Part Number4157
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAmtec Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4730-00-097-98157S9826 INTERCHANGEABLE
Cap,pipe
Caterpillar Inc Div Caterpillar Defense
5305-00-349-81694157 INTERCHANGEABLE
Screw,catch Hammer
Wakmann Watch Company Inc
5998-00-489-0604 INTERCHANGEABLE
Printed Wiring Board
5915-01-014-6218154037P1 INTERCHANGEABLE
Filter,band Pass
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
4820-01-120-41124157-00 INTERCHANGEABLE
Disk,valve
Pentair Filtration Solutions, Llc
7035-01-204-9851 INTERCHANGEABLE
Head,magnetic
4820-01-227-1152227185-42 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5935-01-254-5258 INTERCHANGEABLE
Cover,electrical Connector
9150-01-280-25344157 INTERCHANGEABLE
Grease,laboratory Apparatus Stop
Nch Corporation Dba Certified Laboratories Div Certified Laboratories
5305-01-379-23364157 INTERCHANGEABLE
Screw,externally Relieved Body
Unicorp.
Cross-Reference Index
Part NumberManufacturer
4157 Amtec Inc (USA)
Related Parts
4730-00-097-9815INTERCHANGEABLE
CAP,PIPE
7S9826
5305-00-349-8169INTERCHANGEABLE
SCREW,CATCH HAMMER
4157
5998-00-489-0604INTERCHANGEABLE
PRINTED WIRING BOARD
5915-01-014-6218INTERCHANGEABLE
FILTER,BAND PASS
154037P1
4820-01-120-4112INTERCHANGEABLE
DISK,VALVE
4157-00
7035-01-204-9851INTERCHANGEABLE
HEAD,MAGNETIC
4820-01-227-1152INTERCHANGEABLE
STEM,FLUID VALVE
227185-42
5935-01-254-5258INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
9150-01-280-2534INTERCHANGEABLE
GREASE,LABORATORY APPARATUS STOP
4157
5305-01-379-2336INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
4157

Frequently Asked Questions

What is NSN 5310-01-273-2246?

NSN 5310-01-273-2246 is a Washer,flat, manufactured by Amtec Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-273-2246?

NSN 5310-01-273-2246 has 1 cross-referenced part number: 4157 (Amtec Inc).

What NSN replaces 5310-01-273-2246?

There are 10 known substitutes for 5310-01-273-2246: 4730-00-097-9815, 5305-00-349-8169, 5998-00-489-0604 and 7 more. Verify interchangeability with system specifications before substitution.

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