PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

990FR12-1032Nut,self-Locking,hexagon

Sps Technologies, Llc Dba PB Fasteners · NSN 5310-00-198-4758 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-198-4758 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-198-4758. Primary manufacturer part number: 990FR12-1032.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Nut Style: HEXAGON
  • Nut Height: 0.350 INCHES NOMINAL IN
  • Width Across Flats: 0.375 INCHES NOMINAL IN
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Size: 0.190 INCHES IN
  • Surface Treatment: SILVER OVERALL
  • Material: STEEL COMP 347 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 347 Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-198-4758, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-198-4758
Primary Part Number990FR12-1032
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusCANCELLED
Nut StyleHEXAGON
Nut Height0.350 INCHES NOMINAL IN
Width Across Flats0.375 INCHES NOMINAL IN
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size0.190 INCHES IN
Surface TreatmentSILVER OVERALL
MaterialSTEEL COMP 347 OVERALL
Thread Class3B
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Precious MaterialSILVER
Thread SeriesUNF
Temp Rating1200.0 FAHRENHEIT NOMINAL DEGF
Thread Quantity Per Inch32
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5355-00-018-98407524 INTERCHANGEABLE
Dial
Iet Labs Inc
5310-00-055-2105990FR12-1032 INTERCHANGEABLE
Nut,self-Locking,hexagon
Sps Technologies, Llc Dba PB Fasteners
1680-00-068-4737 INTERCHANGEABLE
Actuator,electro-Mechanical,line
3805-00-072-72187524 INTERCHANGEABLE
Pin and Ring Assembly
Danuser Machine Co
3110-00-156-1712 INTERCHANGEABLE
Bearing,ball,thrust
5935-00-178-80697524 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5210-00-222-4564 INTERCHANGEABLE
Caliper,vernier
6140-00-446-68751535656 INTERCHANGEABLE
Battery,storage
Caterpillar Inc Div Caterpillar Defense
5306-00-569-0345 INTERCHANGEABLE
Bolt,toggle
5310-00-792-4715Z1200-02 INTERCHANGEABLE
Nut,self-Locking,hexagon
Esna, Llc
Cross-Reference Index
Part NumberManufacturer
62H348-1 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
990FR12-1032 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
752-4 Michigan Dynamics Inc (USA)
6085D1 Curtiss-Wright Flight Systems/shelby Inc (USA)
62H348-1 Westinghouse Electric Corp (USA)
Z1200-02 Harvard Industries Inc (USA)
1204422 Rolls-Royce Airlines (GBR)
6085D1 Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
100T650 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
6085D1 Sps Technologies, Llc Dba PB Fasteners (USA)
C0M7111-3 Honeywell Aerospace Yeovil Div Aerospace -Yeovil (GBR)
5310PL1016774 Jednolity Indeks Materialowy - Uniform Material Index (POL)
JL4C1032 Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace (USA)
100T650 Westinghouse Electric Corp (USA)
Related Parts
5355-00-018-9840INTERCHANGEABLE
DIAL
7524
5310-00-055-2105INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
990FR12-1032
1680-00-068-4737INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE
3805-00-072-7218INTERCHANGEABLE
PIN AND RING ASSEMBLY
7524
3110-00-156-1712INTERCHANGEABLE
BEARING,BALL,THRUST
5935-00-178-8069INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
7524
5210-00-222-4564INTERCHANGEABLE
CALIPER,VERNIER
6140-00-446-6875INTERCHANGEABLE
BATTERY,STORAGE
1535656
5306-00-569-0345INTERCHANGEABLE
BOLT,TOGGLE
5310-00-792-4715INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
Z1200-02
4030-00-880-2746INTERCHANGEABLE
ANCHOR,GUY
3110-01-313-5553INTERCHANGEABLE
BEARING,BALL,ANNULAR
7524

Frequently Asked Questions

What is NSN 5310-00-198-4758?

NSN 5310-00-198-4758 is a Nut,self-Locking,hexagon, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-198-4758?

NSN 5310-00-198-4758 has 14 cross-referenced part numbers: 62H348-1 (Colt Industries Operating Corp Pratt and Whitney Machine Tool Div), 990FR12-1032 (Sps Technologies, Llc Dba PB Fasteners), 752-4 (Michigan Dynamics Inc), 6085D1 (Curtiss-Wright Flight Systems/shelby Inc), 62H348-1 (Westinghouse Electric Corp) and 9 more.

What NSN replaces 5310-00-198-4758?

There are 12 known substitutes for 5310-00-198-4758: 5355-00-018-9840, 5310-00-055-2105, 1680-00-068-4737 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 990FR12-1032?

Key specifications for 990FR12-1032: Nut Style: HEXAGON; Nut Height: 0.350 INCHES NOMINAL IN; Width Across Flats: 0.375 INCHES NOMINAL IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-198-4758 still in active supply?

NSN 5310-00-198-4758 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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