PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

310942Nut,plain,round

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-564-8107 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-564-8107 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-564-8107. Primary manufacturer part number: 310942.
Features
  • Nut,plain,round — FSC 5310
  • Thread Class: 3B
  • Nominal Thread Size: 1.375 INCHES IN
  • Thread Quantity Per Inch: 18
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
  • Thread Series: UNEF
  • Hole Configuration Style: CONFIGURATION F
  • Countersink Angle: 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,round, cataloged under National Stock Number 5310-00-564-8107, 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 17 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
NSN5310-00-564-8107
Primary Part Number310942
Item NameNut,plain,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Thread Class3B
Nominal Thread Size1.375 INCHES IN
Thread Quantity Per Inch18
Hardness Rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
Thread SeriesUNEF
Hole Configuration StyleCONFIGURATION F
Countersink Angle85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
MaterialSTEEL OVERALL
Drive Point Quantity6
Drive Point Depth0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Hole Type and Quantity6 DRILLED
Nut Thickness0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Drilled Hole Diameter0.200 INCHES NOMINAL IN
Nut StyleROUND
Thread DirectionRIGHT-HAND
Drive Point Width0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Nut Diameter2.580 INCHES MINIMUM AND 2.600 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4320-00-009-21803-1094-2 INTERCHANGEABLE
Pump,reciprocating
Malabar
5325-01-185-8581330285 INTERCHANGEABLE
Ring,retaining
Brp Us Inc
Cross-Reference Index
Part NumberManufacturer
310942 Kwik File Storage Systems Llc (USA)
310942 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
310942 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
Related Parts
4320-00-009-2180INTERCHANGEABLE
PUMP,RECIPROCATING
3-1094-2
5325-01-185-8581INTERCHANGEABLE
RING,RETAINING
330285

Frequently Asked Questions

What is NSN 5310-00-564-8107?

NSN 5310-00-564-8107 is a Nut,plain,round, 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 5310-00-564-8107?

NSN 5310-00-564-8107 has 3 cross-referenced part numbers: 310942 (Kwik File Storage Systems Llc), 310942 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 310942 (Turbo Power & Marine System Inc Sub of United Technologies Corp).

What NSN replaces 5310-00-564-8107?

There are 2 known substitutes for 5310-00-564-8107: 4320-00-009-2180, 5325-01-185-8581. Verify interchangeability with system specifications before substitution.

What are the specifications of 310942?

Key specifications for 310942: Thread Class: 3B; Nominal Thread Size: 1.375 INCHES IN; Thread Quantity Per Inch: 18; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM. 17 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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