PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4004000Washer,split

Alfa Laval Inc · NSN 5310-01-148-1915 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-148-1915 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-148-1915. Primary manufacturer part number: 4004000.
Features
  • Washer,split — FSC 5310
  • 5 verified cross-references
  • Primary manufacturer: Alfa Laval Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,split, cataloged under National Stock Number 5310-01-148-1915, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Alfa Laval Inc. This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameWasher,split
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersAlfa Laval Inc (CAGE 71871); Jednolity Indeks Materialowy - Uniform Material Index (CAGE 9009H)
Technical Specifications
ParameterValue
NSN5310-01-148-1915
Primary Part Number4004000
Item NameWasher,split
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAlfa Laval Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-058-76843B90068-105 INTERCHANGEABLE
Transformer,power Autotransforme
Lockheed Martin Corp
5999-00-114-7948 INTERCHANGEABLE
Shielding Gasket,electronic
4820-00-136-8601 INTERCHANGEABLE
Valve,safety Relief
6665-00-139-581140040 INTERCHANGEABLE
Computer-Indicator,radiac
Harshaw Chemical Co the Crystal and Electronic Products Dept
2915-00-155-809840040-1 INTERCHANGEABLE
Valve,fuel Shutoff
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5330-00-171-414106478 INTERCHANGEABLE
Gasket
Hayes Wheels Intl Inc Akron Opns
5910-00-270-9323 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
4820-00-277-1715 INTERCHANGEABLE
Valve,angle
4820-00-696-8683 INTERCHANGEABLE
Valve,shutoff
5305-00-809-30439H1P1-4-12C INTERCHANGEABLE
Screw,tapping
Raytheon Company Div Corp
Cross-Reference Index
Part NumberManufacturer
6478 Alfa Laval Inc (USA)
40040Y Alfa Laval Inc (USA)
5310PL0648386 Jednolity Indeks Materialowy - Uniform Material Index (POL)
40040 Alfa Laval Inc (USA)
4004000 PRIMARY Alfa Laval Inc (USA)
Related Parts
5950-00-058-7684INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
3B90068-105
5999-00-114-7948INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
4820-00-136-8601INTERCHANGEABLE
VALVE,SAFETY RELIEF
6665-00-139-5811INTERCHANGEABLE
COMPUTER-INDICATOR,RADIAC
40040
2915-00-155-8098INTERCHANGEABLE
VALVE,FUEL SHUTOFF
40040-1
5330-00-171-4141INTERCHANGEABLE
GASKET
06478
5910-00-270-9323INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
4820-00-277-1715INTERCHANGEABLE
VALVE,ANGLE
4820-00-696-8683INTERCHANGEABLE
VALVE,SHUTOFF
5305-00-809-3043INTERCHANGEABLE
SCREW,TAPPING
9H1P1-4-12C
5950-00-821-5212INTERCHANGEABLE
TRANSFORMER,POWER
195835-1
5960-00-821-6693INTERCHANGEABLE
ELECTRON TUBE

Frequently Asked Questions

What is NSN 5310-01-148-1915?

NSN 5310-01-148-1915 is a Washer,split, manufactured by Alfa Laval Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-148-1915?

NSN 5310-01-148-1915 has 5 cross-referenced part numbers: 6478 (Alfa Laval Inc), 40040Y (Alfa Laval Inc), 5310PL0648386 (Jednolity Indeks Materialowy - Uniform Material Index), 40040 (Alfa Laval Inc), 4004000 (Alfa Laval Inc).

What NSN replaces 5310-01-148-1915?

There are 12 known substitutes for 5310-01-148-1915: 5950-00-058-7684, 5999-00-114-7948, 4820-00-136-8601 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5310-01-148-1915 still in active supply?

NSN 5310-01-148-1915 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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