PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19900Nut,plain,hexagon

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 5310-00-958-9469 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-958-9469 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-958-9469. Primary manufacturer part number: 19900.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Quantity Per Inch: 48
  • Bearing Surface Type: FLAT
  • Thread Series: UNS
  • Nominal Thread Size: 0.190 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Material Document and Classification: MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES OVERALL
  • Nut Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303s or Steel Comp 303SE Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-958-9469, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 12 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-958-9469
Primary Part Number19900
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
Thread Quantity Per Inch48
Bearing Surface TypeFLAT
Thread SeriesUNS
Nominal Thread Size0.190 INCHES IN
Thread DirectionRIGHT-HAND
Material Document and ClassificationMIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Nut StyleHEXAGON
Width Across Flats0.375 INCHES NOMINAL IN
Nut Height0.125 INCHES NOMINAL IN
Thread Pitch Diameters+0.1765 TO 0.1791 INCHES IN
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 303S OR STEEL COMP 303SE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5935-00-520-9774ST5M1333-002 INTERCHANGEABLE
Connector,plug,electrical
The Boeing Company Div Defense
1650-00-592-7900W199-16-16.5 INTERCHANGEABLE
Valve,regulating Flow,control
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
5950-00-646-2856 INTERCHANGEABLE
Reactor
1650-00-692-8280W199-16-19.5 INTERCHANGEABLE
Valve,regulating Fl
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
5355-00-761-236619900 INTERCHANGEABLE
Knob
L3harris Technologies, Inc.
5330-00-761-742419900 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
1680-00-931-262819900 INTERCHANGEABLE
Control Assy,landin
Transdigm Inc
5330-00-953-5206223489 INTERCHANGEABLE
Seal,control Valve
Eaton Aerospace, Llc Dba Jackson South
6680-01-290-397219900 INTERCHANGEABLE
Measurflo
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
19900 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
5935-00-520-9774INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
ST5M1333-002
1650-00-592-7900INTERCHANGEABLE
VALVE,REGULATING FLOW,CONTROL
W199-16-16.5
5950-00-646-2856INTERCHANGEABLE
REACTOR
1650-00-692-8280INTERCHANGEABLE
VALVE,REGULATING FL
W199-16-19.5
5355-00-761-2366INTERCHANGEABLE
KNOB
19900
5330-00-761-7424INTERCHANGEABLE
SEAL,PLAIN ENCASED
19900
1680-00-931-2628INTERCHANGEABLE
CONTROL ASSY,LANDIN
19900
5330-00-953-5206INTERCHANGEABLE
SEAL,CONTROL VALVE
223489
6680-01-290-3972INTERCHANGEABLE
MEASURFLO
19900

Frequently Asked Questions

What is NSN 5310-00-958-9469?

NSN 5310-00-958-9469 is a Nut,plain,hexagon, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-958-9469?

NSN 5310-00-958-9469 has 1 cross-referenced part number: 19900 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 5310-00-958-9469?

There are 9 known substitutes for 5310-00-958-9469: 5935-00-520-9774, 1650-00-592-7900, 5950-00-646-2856 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19900?

Key specifications for 19900: Thread Quantity Per Inch: 48; Bearing Surface Type: FLAT; Thread Series: UNS; Nominal Thread Size: 0.190 INCHES IN. 12 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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