PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

88056Plate,mounting

Thomas Instrument, Incorporated · NSN 5340-01-539-4099 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-539-4099 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-539-4099. Primary manufacturer part number: 88056.
Features
  • Plate,mounting — FSC 5340
  • Surface Treatment: ANODIZE
  • Material Document and Classification: SAE-AMS-QQ-A-250/4 OR /6 ASSN STD SINGLE MATERIAL RESPONSE
  • Aperture Type: COUNTERBORED
  • Surface Treatment Document and Classification: MIL-A-8025 TYPE II CLASS 1 COLOR GOLD MIL SPEC SINGLE TREATMENT RESPONSE
  • Raised Surface Height: 0.320 INCHES NOMINAL IN
  • Mounting Hole Type: UNTHREADED
  • Counterbore Diameter: 0.618 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Plate,mounting, cataloged under National Stock Number 5340-01-539-4099, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Thomas Instrument, Incorporated. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-539-4099
Primary Part Number88056
Item NamePlate,mounting
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerThomas Instrument, Incorporated
StatusACTIVE
Surface TreatmentANODIZE
Material Document and ClassificationSAE-AMS-QQ-A-250/4 OR /6 ASSN STD SINGLE MATERIAL RESPONSE
Aperture TypeCOUNTERBORED
Surface Treatment Document and ClassificationMIL-A-8025 TYPE II CLASS 1 COLOR GOLD MIL SPEC SINGLE TREATMENT RESPONSE
Raised Surface Height0.320 INCHES NOMINAL IN
Mounting Hole TypeUNTHREADED
Counterbore Diameter0.618 INCHES NOMINAL IN
Counterbore Depth0.320 INCHES NOMINAL IN
Length1.500 INCHES NOMINAL IN
Thickness0.229 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 2024
ShapeRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
2915-00-024-599288056 INTERCHANGEABLE
Plunger,valve
Hamilton Sundstrand Corporation Dba Collins Aerospace
3010-00-397-327388056 INTERCHANGEABLE
Gear Assembly,speed Decreaser
Cae Usa Inc.
5355-01-358-878589020 FIND 48 INTERCHANGEABLE
Pointer,dial
Tri-Tec Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
88056 PRIMARY Thomas Instrument, Incorporated (USA)
Related Parts
2915-00-024-5992INTERCHANGEABLE
PLUNGER,VALVE
88056
3010-00-397-3273INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
88056
5355-01-358-8785INTERCHANGEABLE
POINTER,DIAL
89020 FIND 48

Frequently Asked Questions

What is NSN 5340-01-539-4099?

NSN 5340-01-539-4099 is a Plate,mounting, manufactured by Thomas Instrument, Incorporated, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-539-4099?

NSN 5340-01-539-4099 has 1 cross-referenced part number: 88056 (Thomas Instrument, Incorporated).

What NSN replaces 5340-01-539-4099?

There are 3 known substitutes for 5340-01-539-4099: 2915-00-024-5992, 3010-00-397-3273, 5355-01-358-8785. Verify interchangeability with system specifications before substitution.

What are the specifications of 88056?

Key specifications for 88056: End Item Identification: AFT RAMP C-5 ACFT; Surface Treatment: ANODIZE; Special Features: MATERIAL ALUM 2024-T351; Material Document and Classification: SAE-AMS-QQ-A-250/4 OR /6 ASSN STD SINGLE MATERIAL RESPONSE. 15 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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