PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55420Nut,plain,knurled

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5310-00-208-7324 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-208-7324 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-208-7324. Primary manufacturer part number: 55420.
Features
  • Nut,plain,knurled — FSC 5310
  • Nominal Thread Size: 0.312 INCHES IN
  • Thread Series: UNF
  • Thread Quantity Per Inch: 24
  • Surface Treatment: PASSIVATE OVERALL
  • Nut Style: KNURLED
  • Thread Direction: RIGHT-HAND
  • Nut Diameter: 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Nut,plain,knurled, cataloged under National Stock Number 5310-00-208-7324, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 11 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-208-7324
Primary Part Number55420
Item NameNut,plain,knurled
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Nominal Thread Size0.312 INCHES IN
Thread SeriesUNF
Thread Quantity Per Inch24
Surface TreatmentPASSIVATE OVERALL
Nut StyleKNURLED
Thread DirectionRIGHT-HAND
Nut Diameter0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
Nut Thickness0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
MaterialSTEEL COMP 303 OVERALL
Thread Class3B
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
1420-00-790-4994 INTERCHANGEABLE
Shaft,fi,ed
3455-00-812-3584 INTERCHANGEABLE
Cutter,milling,end
5310-00-913-863255420 INTERCHANGEABLE
Washer,flat
Parker Hannifin Corporation Div Hydraulic Systems Division
2910-01-038-15094049337 INTERCHANGEABLE
Pump,fuel,cam Actuated
Chrysler Corp Service and Parts Opns
5120-01-534-143355420 INTERCHANGEABLE
Screwdriver,cross Tip
Aerovironment, Inc. Dba Aerovironment Inc
1080-01-541-26572KP716 INTERCHANGEABLE
Cover,camouflage Screening
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
55420 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
1420-00-790-4994INTERCHANGEABLE
SHAFT,FI,ED
3455-00-812-3584INTERCHANGEABLE
CUTTER,MILLING,END
5310-00-913-8632INTERCHANGEABLE
WASHER,FLAT
55420
2910-01-038-1509INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
4049337
5120-01-534-1433INTERCHANGEABLE
SCREWDRIVER,CROSS TIP
55420
1080-01-541-2657INTERCHANGEABLE
COVER,CAMOUFLAGE SCREENING
2KP716

Frequently Asked Questions

What is NSN 5310-00-208-7324?

NSN 5310-00-208-7324 is a Nut,plain,knurled, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-208-7324?

NSN 5310-00-208-7324 has 1 cross-referenced part number: 55420 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5310-00-208-7324?

There are 6 known substitutes for 5310-00-208-7324: 1420-00-790-4994, 3455-00-812-3584, 5310-00-913-8632 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55420?

Key specifications for 55420: Nominal Thread Size: 0.312 INCHES IN; Thread Series: UNF; Thread Quantity Per Inch: 24; Surface Treatment: PASSIVATE OVERALL. 11 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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