PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FN12-02Nut,self-Locking,hexagon

Sps Technologies, Llc Dba PB Fasteners · NSN 5310-00-808-7026 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-808-7026 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-808-7026. Primary manufacturer part number: FN12-02.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Width Across Flats: 0.243 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
  • Thread Class: 3B
  • Material: STEEL OVERALL
  • Nominal Thread Size: 0.190 INCHES IN
  • Bearing Surface Type: WASHER FACED
  • Nut Height: 0.154 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
  • Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-808-7026, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-808-7026
Primary Part NumberFN12-02
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusACTIVE
Width Across Flats0.243 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
Thread Class3B
MaterialSTEEL OVERALL
Nominal Thread Size0.190 INCHES IN
Bearing Surface TypeWASHER FACED
Nut Height0.154 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Surface TreatmentCADMIUM OVERALL
Thread Quantity Per Inch32
Thread DirectionRIGHT-HAND
Temp Rating550.0 FAHRENHEIT NOMINAL DEGF
Nut StyleHEXAGON
Thread SeriesUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-807-1467MS21042-3 INTERCHANGEABLE
Nut,self-Locking,extended Washer
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
Z00.N5415391225 Daher Aerospace - Ex Socata (FRA)
FN12-02 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
5310PL0853277 Jednolity Indeks Materialowy - Uniform Material Index (POL)
124-3003-393 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
NAS1291-3 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
5310PL2175890 Jednolity Indeks Materialowy - Uniform Material Index (POL)
FN12-02 Aviation Spares and Repairs Ltd (GBR)
Related Parts
5310-00-807-1467INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
MS21042-3

Frequently Asked Questions

What is NSN 5310-00-808-7026?

NSN 5310-00-808-7026 is a Nut,self-Locking,hexagon, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-808-7026?

NSN 5310-00-808-7026 has 7 cross-referenced part numbers: Z00.N5415391225 (Daher Aerospace - Ex Socata), FN12-02 (Sps Technologies, Llc Dba PB Fasteners), 5310PL0853277 (Jednolity Indeks Materialowy - Uniform Material Index), 124-3003-393 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), NAS1291-3 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 2 more.

What NSN replaces 5310-00-808-7026?

There is 1 known substitute for 5310-00-808-7026: 5310-00-807-1467. Verify interchangeability with system specifications before substitution.

What are the specifications of FN12-02?

Key specifications for FN12-02: Width Across Flats: 0.243 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN; Thread Class: 3B; Material: STEEL OVERALL; Nominal Thread Size: 0.190 INCHES IN. 13 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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