PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NT637Nut,plain,round

Bae Systems Information and Electronic Systems Integration Inc. · NSN 5310-00-208-9080 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-208-9080 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-208-9080. Primary manufacturer part number: NT637.
Features
  • Nut,plain,round — FSC 5310
  • Thread Quantity Per Inch: 48
  • Thread Series: UNF
  • Thread Class: 2B
  • Nominal Thread Size: 0.112 INCHES IN
  • Nut Diameter: 0.250 INCHES NOMINAL IN
  • Nut Thickness: 0.188 INCHES NOMINAL IN
  • Drive Point Quantity: 2
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Nut,plain,round, cataloged under National Stock Number 5310-00-208-9080, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-208-9080
Primary Part NumberNT637
Item NameNut,plain,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusACTIVE
Thread Quantity Per Inch48
Thread SeriesUNF
Thread Class2B
Nominal Thread Size0.112 INCHES IN
Nut Diameter0.250 INCHES NOMINAL IN
Nut Thickness0.188 INCHES NOMINAL IN
Drive Point Quantity2
Drive Point Depth0.062 INCHES NOMINAL IN
Drive Point Width0.062 INCHES NOMINAL IN
Material Document and ClassificationMIL-)-A))" ,7,TYPE C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Nut StyleROUND
MaterialSTEEL COMP 303 OVERALL
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-115-3106 INTERCHANGEABLE
Seal,output Shaft
5930-00-176-2644S159 INTERCHANGEABLE
Arm,switch Actuator
Simmonds Precision Products Inc
5820-00-185-8706 INTERCHANGEABLE
Radio Set
5305-00-225-9081330C889D5018C20 INTERCHANGEABLE
Screw,cap,hexagon Head
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5110-00-473-7833S-119 INTERCHANGEABLE
Scraper,spray Booth
Ngk Metals Corporation Dba N G K Berylco
6710-00-481-2430 INTERCHANGEABLE
Movement Assembly,h
5330-00-731-90371100 INTERCHANGEABLE
Gasket
Amot Controls Llc
5305-01-192-3334S-119 INTERCHANGEABLE
Screw,cap,hexagon Head
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
S-119 Bae Systems Information and Electronic Systems Integration Inc. (USA)
NT637 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
5330-00-115-3106INTERCHANGEABLE
SEAL,OUTPUT SHAFT
5930-00-176-2644INTERCHANGEABLE
ARM,SWITCH ACTUATOR
S159
5820-00-185-8706INTERCHANGEABLE
RADIO SET
5305-00-225-9081INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
330C889D5018C20
5110-00-473-7833INTERCHANGEABLE
SCRAPER,SPRAY BOOTH
S-119
6710-00-481-2430INTERCHANGEABLE
MOVEMENT ASSEMBLY,H
5330-00-731-9037INTERCHANGEABLE
GASKET
1100
5305-01-192-3334INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
S-119

Frequently Asked Questions

What is NSN 5310-00-208-9080?

NSN 5310-00-208-9080 is a Nut,plain,round, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-208-9080?

NSN 5310-00-208-9080 has 2 cross-referenced part numbers: S-119 (Bae Systems Information and Electronic Systems Integration Inc.), NT637 (Bae Systems Information and Electronic Systems Integration Inc.).

What NSN replaces 5310-00-208-9080?

There are 8 known substitutes for 5310-00-208-9080: 5330-00-115-3106, 5930-00-176-2644, 5820-00-185-8706 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NT637?

Key specifications for NT637: Thread Quantity Per Inch: 48; Thread Series: UNF; Thread Class: 2B; Nominal Thread Size: 0.112 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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