PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PK373Nut,self-Locking,hexagon

Satair A/s · NSN 5310-00-984-3806 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-984-3806 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-984-3806. Primary manufacturer part number: PK373.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF
  • Thread Quantity Per Inch: 18
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL EXCEPT INSERT
  • Nut Height: 0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL NUT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Nut construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-984-3806, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Satair A/s. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 14 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
NSN5310-00-984-3806
Primary Part NumberPK373
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSatair A/s
StatusCANCELLED
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Thread Quantity Per Inch18
Surface TreatmentCADMIUM AND CHROMATE OVERALL EXCEPT INSERT
Nut Height0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL NUT
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nominal Thread Size0.312 INCHES IN
Thread Class2B
Material Document and ClassificationSAE J995 GR 5 ASSN STD SINGLE MATERIAL RESPONSE NUT
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
Thread DirectionRIGHT-HAND
Nut StyleHEXAGON
LubricationDRY FILM LUBRICANT
MaterialPLASTIC POLYAMIDE NYLON LOCKING INSERT
Width Across Flats0.489 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5905-00-233-1972 INTERCHANGEABLE
Resistor Set,matched
5815-00-537-7673SC-C-69897 INTERCHANGEABLE
Bar,selector,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5965-00-577-6215 INTERCHANGEABLE
Headset-Microphone
5962-00-632-8155DS7836J INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
5930-00-758-522610-322 INTERCHANGEABLE
Switch,sensitive
Illinois Tool Works Inc
5965-00-860-895461B21712 INTERCHANGEABLE
Cushion,ear
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
5133-00-988-570918678 OLE PRO INTERCHANGEABLE
Drill,twist
General Services Administration Federal Supply Service
7930-01-069-329201289273 INTERCHANGEABLE
Rinse Additive,dishwashing
Johnsondiversey Inc Dba Dubois Chemicals
3120-01-163-8335NC010322 INTERCHANGEABLE
Bushing,sleeve
Leslie Controls, Inc. Dba Leslie Controls Inc
5999-01-199-4852 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Cross-Reference Index
Part NumberManufacturer
PK373 Satair A/s (DNK)
9HA12 Oshkosh Defense Llc (USA)
9HA12 Oshkosh Corp (USA)
10322 Harvard Industries Inc (USA)
SK-6003-11 Cesco Brass Ltd (USA)
PK373 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
10082670 Nimikkeistokeskus Ncb Finland (FIN)
5310PL0793163 Jednolity Indeks Materialowy - Uniform Material Index (POL)
M45913/5CG5C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M45913/1-5CG5C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS51922-9 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-45913/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5310009843806 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
SK-6003-11 Gse Management Co (USA)
5310PL1370937 Jednolity Indeks Materialowy - Uniform Material Index (POL)
10322 Esna, Llc (USA)
904120 Scandinavian Manufacturing Scama Ab (SWE)
Related Parts
5905-00-233-1972INTERCHANGEABLE
RESISTOR SET,MATCHED
5815-00-537-7673INTERCHANGEABLE
BAR,SELECTOR,TELETYPEWRITER
SC-C-69897
5965-00-577-6215INTERCHANGEABLE
HEADSET-MICROPHONE
5962-00-632-8155INTERCHANGEABLE
MICROCIRCUIT,LINEAR
DS7836J
5930-00-758-5226INTERCHANGEABLE
SWITCH,SENSITIVE
10-322
5965-00-860-8954INTERCHANGEABLE
CUSHION,EAR
61B21712
5133-00-988-5709INTERCHANGEABLE
DRILL,TWIST
18678 OLE PRO
7930-01-069-3292INTERCHANGEABLE
RINSE ADDITIVE,DISHWASHING
01289273
3120-01-163-8335INTERCHANGEABLE
BUSHING,SLEEVE
NC010322
5999-01-199-4852INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
5950-01-347-4104INTERCHANGEABLE
TRANSFORMER,POWER
10322
4730-01-503-2774INTERCHANGEABLE
CLAMP,HOSE
10-322

Frequently Asked Questions

What is NSN 5310-00-984-3806?

NSN 5310-00-984-3806 is a Nut,self-Locking,hexagon, manufactured by Satair A/s, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-984-3806?

NSN 5310-00-984-3806 has 17 cross-referenced part numbers: PK373 (Satair A/s), 9HA12 (Oshkosh Defense Llc), 9HA12 (Oshkosh Corp), 10322 (Harvard Industries Inc), SK-6003-11 (Cesco Brass Ltd) and 12 more.

What NSN replaces 5310-00-984-3806?

There are 12 known substitutes for 5310-00-984-3806: 5905-00-233-1972, 5815-00-537-7673, 5965-00-577-6215 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PK373?

Key specifications for PK373: Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF; Thread Quantity Per Inch: 18; Surface Treatment: CADMIUM AND CHROMATE OVERALL EXCEPT INSERT; Nut Height: 0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-984-3806 still in active supply?

NSN 5310-00-984-3806 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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