PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

515968Nut,plain,round

Rtx Corporation Div Pratt & Whitney · NSN 5310-01-162-0751 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-162-0751 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-162-0751. Primary manufacturer part number: 515968.
Features
  • Nut,plain,round — FSC 5310
  • Thread Class: 3B
  • Drive Point Width: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 12
  • Thread Series: UNIFIED NATIONAL JOINT (UNJ)
  • Nominal Thread Size: 4.250 INCHES IN
  • Material: NICKEL ALLOY OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy Overall construction
General Description

The Nut,plain,round, cataloged under National Stock Number 5310-01-162-0751, 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 Div Pratt & Whitney. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-162-0751
Primary Part Number515968
Item NameNut,plain,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Div Pratt & Whitney
StatusACTIVE
Thread Class3B
Drive Point Width0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch12
Thread SeriesUNIFIED NATIONAL JOINT (UNJ)
Nominal Thread Size4.250 INCHES IN
MaterialNICKEL ALLOY OVERALL
Nut Diameter4.600 INCHES MINIMUM AND 4.620 INCHES MAXIMUM IN
Nut Thickness0.525 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
Nut StyleROUND
Drive Point Quantity8
Material Document and ClassificationAMS 5660 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2805-00-354-184829288-A INTERCHANGEABLE
Guide,valve Stem
Brinkley Technology Group Llc Dba Hercules Manufacturing
2940-01-295-254351568 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
6115-01-298-986451568 INTERCHANGEABLE
Fan Assemble
National Oil Well Dba Iec Baylor
Cross-Reference Index
Part NumberManufacturer
515968 PRIMARY Rtx Corporation Div Pratt & Whitney (USA)
515968 Bc Technical Center, Llc Dba Bc Engineered Products (USA)
515968 Paramount Machine Company, Inc. Dba Paramount Machine Co Inc (USA)
515968 Kwik File Storage Systems Llc (USA)
515968 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
515968 American Aircraft Parts Mfg. Co. (USA)
51568 Motorola Canada Ltd (CAN)
Related Parts
2805-00-354-1848INTERCHANGEABLE
GUIDE,VALVE STEM
29288-A
2940-01-295-2543INTERCHANGEABLE
FILTER ELEMENT,FLUID
51568
6115-01-298-9864INTERCHANGEABLE
FAN ASSEMBLE
51568

Frequently Asked Questions

What is NSN 5310-01-162-0751?

NSN 5310-01-162-0751 is a Nut,plain,round, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-162-0751?

NSN 5310-01-162-0751 has 7 cross-referenced part numbers: 515968 (Rtx Corporation Div Pratt & Whitney), 515968 (Bc Technical Center, Llc Dba Bc Engineered Products), 515968 (Paramount Machine Company, Inc. Dba Paramount Machine Co Inc), 515968 (Kwik File Storage Systems Llc), 515968 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 2 more.

What NSN replaces 5310-01-162-0751?

There are 3 known substitutes for 5310-01-162-0751: 2805-00-354-1848, 2940-01-295-2543, 6115-01-298-9864. Verify interchangeability with system specifications before substitution.

What are the specifications of 515968?

Key specifications for 515968: Thread Class: 3B; Drive Point Width: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Thread Quantity Per Inch: 12. 12 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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