PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203186Nut Assembly,self-Locking,gang C

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-048-7513 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-048-7513 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-048-7513. Primary manufacturer part number: 203186.
Features
  • Nut Assembly,self-Locking,gang C — FSC 5310
  • Thread Class: 3B
  • Thread Direction: RIGHT-HAND
  • Radius: 19.840 INCHES NOMINAL IN
  • Features Provided: FLOATING NUT
  • Nut Spacing: 0.886 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 18
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 321 Channel construction
General Description

The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-00-048-7513, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-048-7513
Primary Part Number203186
Item NameNut Assembly,self-Locking,gang C
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Thread Class3B
Thread DirectionRIGHT-HAND
Radius19.840 INCHES NOMINAL IN
Features ProvidedFLOATING NUT
Nut Spacing0.886 INCHES NOMINAL IN
Thread Quantity Per Inch18
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Channel Height0.126 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
Assembly Overall Height0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
Nut Quantity20
Nominal Thread Size0.312 INCHES IN
Channel StyleRADIUS TYPE
Locking FeatureFREE-RUNNING ALL METAL DESIGN
Surface TreatmentSILVER NUT
MaterialSTEEL COMP 321 CHANNEL
Precious MaterialSILVER
Material Document and ClassificationAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE CHANNEL
MaterialSTEEL NUT
Nut StyleGANG CHANNEL, SELF LOCKING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-171-9224 INTERCHANGEABLE
Retainer,packing
5340-00-264-9530203186 INTERCHANGEABLE
Clamp,loop
Renk America Llc Div Renk America
3120-00-726-925410891826 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
1710-01-200-998744270-15 INTERCHANGEABLE
Duct
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
Cross-Reference Index
Part NumberManufacturer
203186 Sps Technologies, Llc Dba PB Fasteners (USA)
203186 Harvard Industries Inc (USA)
203186 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
203186 Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA)
Related Parts
5330-00-171-9224INTERCHANGEABLE
RETAINER,PACKING
5340-00-264-9530INTERCHANGEABLE
CLAMP,LOOP
203186
3120-00-726-9254INTERCHANGEABLE
BEARING,SLEEVE
10891826
1710-01-200-9987INTERCHANGEABLE
DUCT
44270-15

Frequently Asked Questions

What is NSN 5310-00-048-7513?

NSN 5310-00-048-7513 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 5310-00-048-7513?

NSN 5310-00-048-7513 has 4 cross-referenced part numbers: 203186 (Sps Technologies, Llc Dba PB Fasteners), 203186 (Harvard Industries Inc), 203186 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 203186 (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems).

What NSN replaces 5310-00-048-7513?

There are 4 known substitutes for 5310-00-048-7513: 5330-00-171-9224, 5340-00-264-9530, 3120-00-726-9254 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 203186?

Key specifications for 203186: Thread Class: 3B; Thread Direction: RIGHT-HAND; Radius: 19.840 INCHES NOMINAL IN; Features Provided: FLOATING NUT. 20 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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