PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

423003Nut Assembly,self-Locking,gang C

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-845-0709 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-845-0709 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-845-0709. Primary manufacturer part number: 423003.
Features
  • Nut Assembly,self-Locking,gang C — FSC 5310
  • Surface Treatment: SILVER NUT
  • Material: IRON ALLOY 660 NUT
  • Surface Treatment Document and Classification: AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE NUT
  • Material Document and Classification: AMS 5735 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE NUT
  • Surface Treatment: PASSIVATE CHANNEL
  • Thread Quantity Per Inch: 24
  • Hardness Rating: 48.0 ROCKWELL C MAXIMUM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Iron Alloy 660 Nut construction
General Description

The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-00-845-0709, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-845-0709
Primary Part Number423003
Item NameNut Assembly,self-Locking,gang C
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Surface TreatmentSILVER NUT
MaterialIRON ALLOY 660 NUT
Surface Treatment Document and ClassificationAMS 2411 ASSN STD SINGLE TREATMENT RESPONSE NUT
Material Document and ClassificationAMS 5735 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE NUT
Surface TreatmentPASSIVATE CHANNEL
Thread Quantity Per Inch24
Hardness Rating48.0 ROCKWELL C MAXIMUM
Nominal Thread Size0.312 INCHES IN
Features ProvidedFLOATING NUT
Assembly Overall Height0.372 INCHES MINIMUM AND 0.397 INCHES MAXIMUM IN
Removable Nut Manufacturer Code72962
Removable Nut Manufacturer Part NumberRG38-4546-054
Channel Height0.141 INCHES NOMINAL IN
Nut Quantity23
Channel StyleRADIUS TYPE
Temp Rating1200.0 FAHRENHEIT NOMINAL DEGF
Nut Spacing1.263 INCHES NOMINAL IN
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Thread DirectionRIGHT-HAND
Thread Class3B
Radius19.300 INCHES NOMINAL IN
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Nut StyleGANG CHANNEL, SELF LOCKING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-581-6346 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5945-01-438-3192423003 INTERCHANGEABLE
Relay,reed
Dictaphone Corporation
Cross-Reference Index
Part NumberManufacturer
423003 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
423003 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
MRG38-4546-054 Harvard Industries Inc (USA)
Related Parts
5905-00-581-6346INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5945-01-438-3192INTERCHANGEABLE
RELAY,REED
423003

Frequently Asked Questions

What is NSN 5310-00-845-0709?

NSN 5310-00-845-0709 is a Nut Assembly,self-Locking,gang C, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-845-0709?

NSN 5310-00-845-0709 has 3 cross-referenced part numbers: 423003 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 423003 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), MRG38-4546-054 (Harvard Industries Inc).

What NSN replaces 5310-00-845-0709?

There are 2 known substitutes for 5310-00-845-0709: 5905-00-581-6346, 5945-01-438-3192. Verify interchangeability with system specifications before substitution.

What are the specifications of 423003?

Key specifications for 423003: Surface Treatment: SILVER NUT; Material: IRON ALLOY 660 NUT; Surface Treatment Document and Classification: AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE NUT; Material Document and Classification: AMS 5735 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE NUT. 24 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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