PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

891944Button,plug

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5340-00-270-8553 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-270-8553 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-270-8553. Primary manufacturer part number: 891944.
Features
  • Button,plug — FSC 5340
  • Head Height: 0.078 INCHES NOMINAL IN
  • Material: STEEL COMP 1010
  • Material Accommodated Thickness: 0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
  • Prong Quantity: 8
  • Prong Outside Diameter: 0.641 INCHES NOMINAL IN
  • Head Outside Diameter: 0.797 INCHES NOMINAL IN
  • Material Document and Classification: SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Steel Comp 1010 construction
General Description

The Button,plug, cataloged under National Stock Number 5340-00-270-8553, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 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
NSN5340-00-270-8553
Primary Part Number891944
Item NameButton,plug
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusCANCELLED
Head Height0.078 INCHES NOMINAL IN
MaterialSTEEL COMP 1010
Material Accommodated Thickness0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
Prong Quantity8
Prong Outside Diameter0.641 INCHES NOMINAL IN
Head Outside Diameter0.797 INCHES NOMINAL IN
Material Document and ClassificationSAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
Style DesignatorSTANDARD
Hole Accommodation Diameter0.625 INCHES NOMINAL IN
Surface TreatmentCADMIUM OR ZINC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
Button,plug
5950-00-070-8246 INTERCHANGEABLE
Transformer,power
3110-00-156-6818206773-15 INTERCHANGEABLE
Bearing,ball,annular
Naval Sea Systems Command
5210-00-189-9538FG-24 INTERCHANGEABLE
Gage,gap Setting
A and E Mfg Co
5950-00-199-415351A268ISSUEC INTERCHANGEABLE
Transformer,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5365-00-203-03751410-0003 INTERCHANGEABLE
Bushing,machine Thread
Keysight Technologies Inc
4730-00-203-7487 INTERCHANGEABLE
Elbow,tube
5945-00-214-573977C712582 INTERCHANGEABLE
Flasher,thermal
Lockheed Martin Corporation Div Rms
5965-00-280-3607SC-C-10236 INTERCHANGEABLE
Cushion,ear
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5120-00-293-0032 INTERCHANGEABLE
Pliers
Cross-Reference Index
Part NumberManufacturer
640247 Berol Usa-Rockford Plant (USA)
SS48172 Trw Assemblies and Fasteners Group Fasteners Div (USA)
SS48172 Beech Aircraft Corp Sub of Raytheon Co (USA)
891944 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
654 Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
48172 Trw Assemblies and Fasteners Group (USA)
MS21907-6 Zf Industrieantriebe Witten Gmbh (DEU)
640247 Zf Industrieantriebe Witten Gmbh (DEU)
SS48172 Trw Assemblies and Fasteners Group (USA)
654 Dialight Corporation (USA)
Related Parts
5340-01-673-4720SUCCESSOR
BUTTON,PLUG
5950-00-070-8246INTERCHANGEABLE
TRANSFORMER,POWER
3110-00-156-6818INTERCHANGEABLE
BEARING,BALL,ANNULAR
206773-15
5210-00-189-9538INTERCHANGEABLE
GAGE,GAP SETTING
FG-24
5950-00-199-4153INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
51A268ISSUEC
5365-00-203-0375INTERCHANGEABLE
BUSHING,MACHINE THREAD
1410-0003
4730-00-203-7487INTERCHANGEABLE
ELBOW,TUBE
5945-00-214-5739INTERCHANGEABLE
FLASHER,THERMAL
77C712582
5965-00-280-3607INTERCHANGEABLE
CUSHION,EAR
SC-C-10236
5120-00-293-0032INTERCHANGEABLE
PLIERS
2990-00-293-6839INTERCHANGEABLE
MUFFLER,EXHAUST
T1413C
2030-00-339-3224INTERCHANGEABLE
BLOCK,SLIDING TILLE
LSD16S2200-556116PC2

Frequently Asked Questions

What is NSN 5340-00-270-8553?

NSN 5340-00-270-8553 is a Button,plug, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-270-8553?

NSN 5340-00-270-8553 has 10 cross-referenced part numbers: 640247 (Berol Usa-Rockford Plant), SS48172 (Trw Assemblies and Fasteners Group Fasteners Div), SS48172 (Beech Aircraft Corp Sub of Raytheon Co), 891944 (Lockheed Martin Corporation Div Rms - Mitchel Field), 654 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron) and 5 more.

What NSN replaces 5340-00-270-8553?

There are 12 known substitutes for 5340-00-270-8553: 5340-01-673-4720, 5950-00-070-8246, 3110-00-156-6818 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 891944?

Key specifications for 891944: Head Height: 0.078 INCHES NOMINAL IN; Material: STEEL COMP 1010; Material Accommodated Thickness: 0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN; Prong Quantity: 8. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-270-8553 still in active supply?

NSN 5340-00-270-8553 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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