PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70C3311404-80Nut,plain,hexagon

General Dynamics Mission Systems, Inc. · NSN 5310-00-275-5512 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-275-5512 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-275-5512. Primary manufacturer part number: 70C3311404-80.
Features
  • Nut,plain,hexagon — FSC 5310
  • Surface Treatment: PASSIVATE OVERALL
  • Nut Height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
  • Nominal Thread Size: 0.250 INCHES IN
  • Bearing Surface Type: FLAT
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 20
  • Width Across Flats: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 or Steel Comp 305 or Steel Comp 316 or Steel Comp 347 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-275-5512, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Dynamics Mission Systems, Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-275-5512
Primary Part Number70C3311404-80
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc.
StatusACTIVE
Surface TreatmentPASSIVATE OVERALL
Nut Height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
Nominal Thread Size0.250 INCHES IN
Bearing Surface TypeFLAT
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch20
Width Across Flats0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Specification/standard Data96906-MS35691/CANCELED/ GOVERNMENT STANDARD
Thread Class2B
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 347 OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Document and ClassificationFF-N-836,PARA 3.1.2 CRES FED SPEC ALL MATERIAL RESPONSES OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4720-00-244-7791 INTERCHANGEABLE
Tubing,nonmetallic
5962-01-026-6054SN54S38J INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5895-01-169-1759587-2 INTERCHANGEABLE
Speed Control Indicator
Safe Flight Instrument, Llc
Cross-Reference Index
Part NumberManufacturer
70C3311404-80 PRIMARY General Dynamics Mission Systems, Inc. (USA)
431804 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
MS35691-410 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
12Z2011-11 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
280456 PIECE 19 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
43N3979-325 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
587500 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
4720-00-244-7791INTERCHANGEABLE
TUBING,NONMETALLIC
5962-01-026-6054INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN54S38J
5895-01-169-1759INTERCHANGEABLE
SPEED CONTROL INDICATOR
587-2

Frequently Asked Questions

What is NSN 5310-00-275-5512?

NSN 5310-00-275-5512 is a Nut,plain,hexagon, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-275-5512?

NSN 5310-00-275-5512 has 7 cross-referenced part numbers: 70C3311404-80 (General Dynamics Mission Systems, Inc.), 431804 (U S Army Tank Automotive Command Amsta-Im-Mm), MS35691-410 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 12Z2011-11 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 280456 PIECE 19 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 2 more.

What NSN replaces 5310-00-275-5512?

There are 3 known substitutes for 5310-00-275-5512: 4720-00-244-7791, 5962-01-026-6054, 5895-01-169-1759. Verify interchangeability with system specifications before substitution.

What are the specifications of 70C3311404-80?

Key specifications for 70C3311404-80: Surface Treatment: PASSIVATE OVERALL; Nut Height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN; Nominal Thread Size: 0.250 INCHES IN; Bearing Surface Type: FLAT. 14 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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