PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4079Nut,plain,knurled

Roller Bearing Co of America, Inc Div Pic Design · NSN 5310-00-421-1193 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-421-1193 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-421-1193. Primary manufacturer part number: 4079.
Features
  • Nut,plain,knurled — FSC 5310
  • Small End Length: 0.500 INCHES NOMINAL IN
  • Small End Diameter: 0.312 INCHES NOMINAL IN
  • Material Document and Classification: QQ-S-764,COND A/A FED SPEC ALL MATERIAL RESPONSES OVERALL
  • Counterbore Diameter: 0.180 INCHES NOMINAL NUT IN
  • Nut Thickness: 0.625 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Nut Style: KNURLED
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 or Steel Comp 303SE Overall construction
General Description

The Nut,plain,knurled, cataloged under National Stock Number 5310-00-421-1193, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-421-1193
Primary Part Number4079
Item NameNut,plain,knurled
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Small End Length0.500 INCHES NOMINAL IN
Small End Diameter0.312 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-764,COND A/A FED SPEC ALL MATERIAL RESPONSES OVERALL
Counterbore Diameter0.180 INCHES NOMINAL NUT IN
Nut Thickness0.625 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Nut StyleKNURLED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentPASSIVATE OVERALL
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch32
Nominal Thread Size0.164 INCHES IN
Knurl Width0.125 INCHES NOMINAL IN
Nut Diameter0.500 INCHES NOMINAL IN
MaterialSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
Nut Counterbore Depth0.250 INCHES NOMINAL NUT IN
Thread Class2B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
9540-00-148-4793 INTERCHANGEABLE
Beam,structural
2520-00-164-3937006012 INTERCHANGEABLE
Lever,clutch Release
Caterpillar Inc Div Caterpillar Defense
6675-00-567-40794079 INTERCHANGEABLE
Pin,cleaning,lettering Pen
Lutz Superdyne Inc
5905-00-735-40017354001 INTERCHANGEABLE
Resistor,variable,wire Wound,non
U S Army Tank Automotive Command Amsta-Im-Mm
6210-00-782-7592 INTERCHANGEABLE
Lens,light
2945-00-960-40304079 INTERCHANGEABLE
Filter
Honeywell International Inc Dba Honeywell Div Consumer Products Group
6645-00-963-59034079 INTERCHANGEABLE
Runner Assembly
Wakmann Watch Company Inc
5935-01-430-2391 INTERCHANGEABLE
Connector,receptacle,electrical
9150-01-485-76304079 INTERCHANGEABLE
Lubricant
Whip-Mix Corp
4720-01-547-2508EP-0002883 INTERCHANGEABLE
Hose,nonmetallic
Independent Rough Terrain Center Llc
Cross-Reference Index
Part NumberManufacturer
70-1345444-1 General Dynamics Mission Systems, Inc. (USA)
70-1345444-1 Gte Government Systems Corp Strategic Systems Div (USA)
PD1-10 W. M. Berg, Inc. (USA)
4079 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
40D79 Allied Devices Corp Dba Absolute Precision Co (USA)
2612037-7 Alliant Techsystems Operations Llc Div Defense Electronic Systems (USA)
Related Parts
9540-00-148-4793INTERCHANGEABLE
BEAM,STRUCTURAL
2520-00-164-3937INTERCHANGEABLE
LEVER,CLUTCH RELEASE
006012
6675-00-567-4079INTERCHANGEABLE
PIN,CLEANING,LETTERING PEN
4079
5905-00-735-4001INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
7354001
6210-00-782-7592INTERCHANGEABLE
LENS,LIGHT
2945-00-960-4030INTERCHANGEABLE
FILTER
4079
6645-00-963-5903INTERCHANGEABLE
RUNNER ASSEMBLY
4079
5935-01-430-2391INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
9150-01-485-7630INTERCHANGEABLE
LUBRICANT
4079
4720-01-547-2508INTERCHANGEABLE
HOSE,NONMETALLIC
EP-0002883
5340-01-716-3927INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
PD-110

Frequently Asked Questions

What is NSN 5310-00-421-1193?

NSN 5310-00-421-1193 is a Nut,plain,knurled, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-421-1193?

NSN 5310-00-421-1193 has 6 cross-referenced part numbers: 70-1345444-1 (General Dynamics Mission Systems, Inc.), 70-1345444-1 (Gte Government Systems Corp Strategic Systems Div), PD1-10 (W. M. Berg, Inc.), 4079 (Roller Bearing Co of America, Inc Div Pic Design), 40D79 (Allied Devices Corp Dba Absolute Precision Co) and 1 more.

What NSN replaces 5310-00-421-1193?

There are 11 known substitutes for 5310-00-421-1193: 9540-00-148-4793, 2520-00-164-3937, 6675-00-567-4079 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4079?

Key specifications for 4079: Small End Length: 0.500 INCHES NOMINAL IN; Small End Diameter: 0.312 INCHES NOMINAL IN; Material Document and Classification: QQ-S-764,COND A/A FED SPEC ALL MATERIAL RESPONSES OVERALL; Counterbore Diameter: 0.180 INCHES NOMINAL NUT IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-421-1193 still in active supply?

NSN 5310-00-421-1193 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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