PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RM52LHA4972-4A82Nut,sheet Spring

Harvard Industries Inc · NSN 5310-00-164-0791 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-164-0791 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-164-0791. Primary manufacturer part number: RM52LHA4972-4A82.
Features
  • Nut,sheet Spring — FSC 5310
  • Mating Member Diameter Accommodated: 0.156 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Nut Height: 0.230 INCHES NOMINAL IN
  • Nut Length: 0.600 INCHES NOMINAL IN
  • Nut Style: SHEET SPRING
  • Distance From Center of Aperature to End: 0.128 INCHES NOMINAL IN
  • Features Provided: FLOATING NUT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Mechanical energy storage
  • Vibration dampening
General Description

The Nut,sheet Spring, cataloged under National Stock Number 5310-00-164-0791, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Harvard Industries Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-164-0791
Primary Part NumberRM52LHA4972-4A82
Item NameNut,sheet Spring
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHarvard Industries Inc
StatusACTIVE
Mating Member Diameter Accommodated0.156 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Nut Height0.230 INCHES NOMINAL IN
Nut Length0.600 INCHES NOMINAL IN
Nut StyleSHEET SPRING
Distance From Center of Aperature to End0.128 INCHES NOMINAL IN
Features ProvidedFLOATING NUT
Material Thickness0.025 INCHES NOMINAL IN
Nut Width0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-182-5936210-3-1 INTERCHANGEABLE
Nut,sheet Spring
Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems
Cross-Reference Index
Part NumberManufacturer
RM52LHA4972-4A82 Harvard Industries Inc (USA)
6094660-1 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
A4972-4A-82 Harvard Industries Inc (USA)
Related Parts
5310-00-182-5936INTERCHANGEABLE
NUT,SHEET SPRING
210-3-1

Frequently Asked Questions

What is NSN 5310-00-164-0791?

NSN 5310-00-164-0791 is a Nut,sheet Spring, manufactured by Harvard Industries Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-164-0791?

NSN 5310-00-164-0791 has 3 cross-referenced part numbers: RM52LHA4972-4A82 (Harvard Industries Inc), 6094660-1 (Lockheed Martin Corporation Div Rotary and Mission Systems), A4972-4A-82 (Harvard Industries Inc).

What NSN replaces 5310-00-164-0791?

There is 1 known substitute for 5310-00-164-0791: 5310-00-182-5936. Verify interchangeability with system specifications before substitution.

What are the specifications of RM52LHA4972-4A82?

Key specifications for RM52LHA4972-4A82: Mating Member Diameter Accommodated: 0.156 INCHES NOMINAL IN; Material: STEEL OVERALL; Nut Height: 0.230 INCHES NOMINAL IN; Nut Length: 0.600 INCHES NOMINAL IN. 9 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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