PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HP1250B81Plug,expansion

Hubbard M D Spring Co Inc · NSN 5340-00-282-7383 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-282-7383 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-282-7383. Primary manufacturer part number: HP1250B81.
Features
  • Plug,expansion — FSC 5340
  • Radius: 1.625 INCHES NOMINAL IN
  • Outside Diameter: 1.250 INCHES NOMINAL IN
  • Material Thickness: 0.081 INCHES NOMINAL IN
  • Style Designator: CONCAVE
  • Material: COPPER ALLOY
  • 12 verified cross-references
  • Primary manufacturer: Hubbard M D Spring Co Inc
Applications
  • Applications requiring Copper Alloy construction
General Description

The Plug,expansion, cataloged under National Stock Number 5340-00-282-7383, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hubbard M D Spring Co Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-282-7383
Primary Part NumberHP1250B81
Item NamePlug,expansion
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHubbard M D Spring Co Inc
StatusCANCELLED
Radius1.625 INCHES NOMINAL IN
Outside Diameter1.250 INCHES NOMINAL IN
Material Thickness0.081 INCHES NOMINAL IN
Style DesignatorCONCAVE
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
No Item Name Available
5961-00-009-1288 INTERCHANGEABLE
Transistor
6625-00-056-1505609A INTERCHANGEABLE
Drum,recording
Kay Elemetrics Corporation
5120-00-081-9083 INTERCHANGEABLE
Wrench,open End
5950-00-086-0768 INTERCHANGEABLE
Transformer,power Autotransforme
6210-00-115-9171 INTERCHANGEABLE
Fixture,lighting
5961-00-124-4970 INTERCHANGEABLE
Transistor
4470-00-186-1644 INTERCHANGEABLE
Ring,special
3120-00-769-93987699398 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
5826-00-831-5873103895 INTERCHANGEABLE
Stop,mach Zero
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
Cross-Reference Index
Part NumberManufacturer
S707 Cummins Inc. (USA)
74121S Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
HP1250B81 PRIMARY Hubbard M D Spring Co Inc (USA)
1609A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
103895 Us Army Aviation and Missile Command (USA)
609A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
66A4 Cooper Industries Inc Industrial Machinery Div (USA)
103895 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
66A4 Cooper Industries Inc Dba Cooper Tools (USA)
1609A Hercules Engine Co Inc (USA)
51091 Am General Llc (USA)
S720 Cummins Inc. (USA)
Related Parts
5340-00-363-1539SUCCESSOR
NO ITEM NAME AVAILABLE
5961-00-009-1288INTERCHANGEABLE
TRANSISTOR
6625-00-056-1505INTERCHANGEABLE
DRUM,RECORDING
609A
5120-00-081-9083INTERCHANGEABLE
WRENCH,OPEN END
5950-00-086-0768INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
6210-00-115-9171INTERCHANGEABLE
FIXTURE,LIGHTING
5961-00-124-4970INTERCHANGEABLE
TRANSISTOR
4470-00-186-1644INTERCHANGEABLE
RING,SPECIAL
3120-00-769-9398INTERCHANGEABLE
BEARING,SLEEVE
7699398
5826-00-831-5873INTERCHANGEABLE
STOP,MACH ZERO
103895
5935-00-984-4379INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5310-01-096-6734INTERCHANGEABLE
WASHER,FLAT
1609-A

Frequently Asked Questions

What is NSN 5340-00-282-7383?

NSN 5340-00-282-7383 is a Plug,expansion, manufactured by Hubbard M D Spring Co Inc, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-282-7383?

NSN 5340-00-282-7383 has 12 cross-referenced part numbers: S707 (Cummins Inc.), 74121S (Ford Motor Co Ford Parts and Service Div Government Part Sales), HP1250B81 (Hubbard M D Spring Co Inc), 1609A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 103895 (Us Army Aviation and Missile Command) and 7 more.

What NSN replaces 5340-00-282-7383?

There are 12 known substitutes for 5340-00-282-7383: 5340-00-363-1539, 5961-00-009-1288, 6625-00-056-1505 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HP1250B81?

Key specifications for HP1250B81: Radius: 1.625 INCHES NOMINAL IN; Outside Diameter: 1.250 INCHES NOMINAL IN; Material Thickness: 0.081 INCHES NOMINAL IN; Style Designator: CONCAVE. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-282-7383 still in active supply?

NSN 5340-00-282-7383 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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