PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4319Nut,plain,round

Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc · NSN 5310-00-909-7702 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-909-7702 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-909-7702. Primary manufacturer part number: 4319.
Features
  • Nut,plain,round — FSC 5310
  • Material: STEEL COMP 4140 OVERALL
  • Material Document and Classification: AMS6381A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nut Thickness: 3.000 INCHES NOMINAL IN
  • Nut Style: ROUND
  • Nut Diameter: 10.480 INCHES NOMINAL IN
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
  • Width Across Flats: 9.000 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Nut,plain,round, cataloged under National Stock Number 5310-00-909-7702, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-909-7702
Primary Part Number4319
Item NameNut,plain,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNammo Defense Systems Inc. Dba Nammo Defense Systems Inc
StatusACTIVE
MaterialSTEEL COMP 4140 OVERALL
Material Document and ClassificationAMS6381A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nut Thickness3.000 INCHES NOMINAL IN
Nut StyleROUND
Nut Diameter10.480 INCHES NOMINAL IN
Hardness Rating32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
Width Across Flats9.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5342-00-051-886696-380035-1 INTERCHANGEABLE
Cap,filler Opening
Textron Aviation Inc
4320-00-398-9575 INTERCHANGEABLE
Connector,fluid,pump
5130-00-496-67204318 INTERCHANGEABLE
Foot
Skil Corp
5305-00-934-98724319 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
5120-01-090-982400904319000P INTERCHANGEABLE
Puller,cotter Key
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
6625-01-181-2674303-4319 INTERCHANGEABLE
Gasket Window
J F C Electronics Inc
4820-01-197-19744319 INTERCHANGEABLE
Valve,ball
Insinger Machine Co
4130-01-272-18724-319 INTERCHANGEABLE
Condensing Unit,refrigerating
National Refrigeration & Air Conditioning Products Inc Dba Continental Refrigerator
5305-01-602-58504319 INTERCHANGEABLE
Screw,cap,hexagon Head
Harley Davidson Motor Co Inc
Cross-Reference Index
Part NumberManufacturer
4319 PRIMARY Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc (USA)
Related Parts
5342-00-051-8866INTERCHANGEABLE
CAP,FILLER OPENING
96-380035-1
4320-00-398-9575INTERCHANGEABLE
CONNECTOR,FLUID,PUMP
5130-00-496-6720INTERCHANGEABLE
FOOT
4318
5305-00-934-9872INTERCHANGEABLE
SCREW,SHOULDER
4319
5120-01-090-9824INTERCHANGEABLE
PULLER,COTTER KEY
00904319000P
6625-01-181-2674INTERCHANGEABLE
GASKET WINDOW
303-4319
4820-01-197-1974INTERCHANGEABLE
VALVE,BALL
4319
4130-01-272-1872INTERCHANGEABLE
CONDENSING UNIT,REFRIGERATING
4-319
5305-01-602-5850INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
4319

Frequently Asked Questions

What is NSN 5310-00-909-7702?

NSN 5310-00-909-7702 is a Nut,plain,round, manufactured by Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-909-7702?

NSN 5310-00-909-7702 has 1 cross-referenced part number: 4319 (Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc).

What NSN replaces 5310-00-909-7702?

There are 9 known substitutes for 5310-00-909-7702: 5342-00-051-8866, 4320-00-398-9575, 5130-00-496-6720 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4319?

Key specifications for 4319: Material: STEEL COMP 4140 OVERALL; Material Document and Classification: AMS6381A ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nut Thickness: 3.000 INCHES NOMINAL IN; Nut Style: ROUND. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com