PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L12Coupling Half,shaft

Raytheon Company Dba Raytheon Co · NSN 3010-00-253-6549 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-253-6549 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-253-6549. Primary manufacturer part number: L12.
Features
  • Coupling Half,shaft — FSC 3010
  • Bore Shape: STRAIGHT
  • Material Document and Classification: AISI, 303 PER 46S18, CLASS 7, TYPE A ASSN STD SINGLE MATERIAL RESPONSE
  • Bore Diameter: 0.3127 INCHES MINIMUM AND 0.3132 INCHES MAXIMUM IN
  • Body Style: FLEXIBLE KEYWAY INSERT TYPE, THROUGH BORE
  • Outside Diameter: 0.500 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • 2 verified cross-references
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Coupling Half,shaft, cataloged under National Stock Number 3010-00-253-6549, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 6 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-00-253-6549
Primary Part NumberL12
Item NameCoupling Half,shaft
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Bore ShapeSTRAIGHT
Material Document and ClassificationAISI, 303 PER 46S18, CLASS 7, TYPE A ASSN STD SINGLE MATERIAL RESPONSE
Bore Diameter0.3127 INCHES MINIMUM AND 0.3132 INCHES MAXIMUM IN
Body StyleFLEXIBLE KEYWAY INSERT TYPE, THROUGH BORE
Outside Diameter0.500 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-011-6121 INTERCHANGEABLE
Washer,lock
5120-00-189-2984 INTERCHANGEABLE
Key,socket Head Screw
5340-00-194-2812L12 INTERCHANGEABLE
Strap,retaining
General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp
3120-00-198-2242A122026 INTERCHANGEABLE
Bushing,sleeve
Thomson Industries Inc
3110-00-218-4278L12 INTERCHANGEABLE
Bearing
Circor Naval Solutions Llc Dba Warren Pumps
4720-00-223-736911462 INTERCHANGEABLE
Hose Assembly,nonmetallic
Danfoss Power Solutions II, Llc
3950-00-238-5475 INTERCHANGEABLE
Dowel X Spring
6350-00-450-2172 INTERCHANGEABLE
Chime,door,electric
3040-00-580-4868L1-2 INTERCHANGEABLE
Clamp,hub
Roller Bearing Co of America, Inc Div Pic Design
3695-01-056-1265L12 INTERCHANGEABLE
Basket,rotating
Graymills Corporation
Cross-Reference Index
Part NumberManufacturer
L12 PRIMARY Raytheon Company Dba Raytheon Co (USA)
L12 Raytheon Company Div Corp (USA)
Related Parts
5310-00-011-6121INTERCHANGEABLE
WASHER,LOCK
5120-00-189-2984INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5340-00-194-2812INTERCHANGEABLE
STRAP,RETAINING
L12
3120-00-198-2242INTERCHANGEABLE
BUSHING,SLEEVE
A122026
3110-00-218-4278INTERCHANGEABLE
BEARING
L12
4720-00-223-7369INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
11462
3950-00-238-5475INTERCHANGEABLE
DOWEL X SPRING
6350-00-450-2172INTERCHANGEABLE
CHIME,DOOR,ELECTRIC
3040-00-580-4868INTERCHANGEABLE
CLAMP,HUB
L1-2
3695-01-056-1265INTERCHANGEABLE
BASKET,ROTATING
L12
4410-01-209-0768INTERCHANGEABLE
HEATER,WATER,LIQUID FUEL
6515-01-610-9025INTERCHANGEABLE
SUTURE,ABSORBABLE,SURGICAL
L-12

Frequently Asked Questions

What is NSN 3010-00-253-6549?

NSN 3010-00-253-6549 is a Coupling Half,shaft, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-253-6549?

NSN 3010-00-253-6549 has 2 cross-referenced part numbers: L12 (Raytheon Company Dba Raytheon Co), L12 (Raytheon Company Div Corp).

What NSN replaces 3010-00-253-6549?

There are 12 known substitutes for 3010-00-253-6549: 5310-00-011-6121, 5120-00-189-2984, 5340-00-194-2812 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L12?

Key specifications for L12: Bore Shape: STRAIGHT; Material Document and Classification: AISI, 303 PER 46S18, CLASS 7, TYPE A ASSN STD SINGLE MATERIAL RESPONSE; Bore Diameter: 0.3127 INCHES MINIMUM AND 0.3132 INCHES MAXIMUM IN; Body Style: FLEXIBLE KEYWAY INSERT TYPE, THROUGH BORE. 8 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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