PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77C719790P7Nut,self-Locking,hexagon

Lockheed Martin Corporation Div Rms · NSN 5310-01-630-5775 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-630-5775 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-630-5775. Primary manufacturer part number: 77C719790P7.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Width Across Flats: 0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Thread Quantity Per Inch: 40
  • Nut Style: HEXAGON
  • Thread Series: UNJC
  • Bearing Surface Type: FLAT
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 230 Nut construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-630-5775, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-630-5775
Primary Part Number77C719790P7
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Width Across Flats0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Thread Quantity Per Inch40
Nut StyleHEXAGON
Thread SeriesUNJC
Bearing Surface TypeFLAT
Thread DirectionRIGHT-HAND
Thread Class3B
Nominal Thread Size0.1120 INCHES IN
Nut Height0.110 INCHES NOMINAL IN
MaterialCOPPER ALLOY 230 NUT
Surface TreatmentCADMIUM OVERALL
MaterialPLASTIC POLYAMIDE NYLON LOCKING INSERT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-582-91768908413 INTERCHANGEABLE
Nut,self-Locking,hexagon
Us Army Aviation and Missile Command
5310-00-808-8533146-0112-001 INTERCHANGEABLE
Nut,self-Locking,hexagon
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
92-1660-40 Esna, Llc (USA)
77C719790P7 PRIMARY Lockheed Martin Corporation Div Rms (USA)
Related Parts
5310-00-582-9176INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
8908413
5310-00-808-8533INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
146-0112-001

Frequently Asked Questions

What is NSN 5310-01-630-5775?

NSN 5310-01-630-5775 is a Nut,self-Locking,hexagon, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-630-5775?

NSN 5310-01-630-5775 has 2 cross-referenced part numbers: 92-1660-40 (Esna, Llc), 77C719790P7 (Lockheed Martin Corporation Div Rms).

What NSN replaces 5310-01-630-5775?

There are 2 known substitutes for 5310-01-630-5775: 5310-00-582-9176, 5310-00-808-8533. Verify interchangeability with system specifications before substitution.

What are the specifications of 77C719790P7?

Key specifications for 77C719790P7: Special Features: NUT MATERIAL IS BRASS,COMMERCIAL HALF HARD OR EQUIVALENT. LOCKING MATERIAL IS RED NYLON (350 DEGREES MAX PERFORMANCE).; Width Across Flats: 0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT; Thread Quantity Per Inch: 40. 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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