PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M310500-3Latch,mortise

Howmet Global Fastening Systems Inc Div Ram Products · NSN 5340-01-277-5126 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-277-5126 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-277-5126. Primary manufacturer part number: M310500-3.
Features
  • Latch,mortise — FSC 5340
  • Face Shape: FLAT
  • Action Type: SPRING
  • Operating Mechanism Location: ONE SIDE
  • 5 verified cross-references
  • Primary manufacturer: Howmet Global Fastening Systems Inc Div Ram Products
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Latch,mortise, cataloged under National Stock Number 5340-01-277-5126, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc Div Ram Products. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-277-5126
Primary Part NumberM310500-3
Item NameLatch,mortise
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc Div Ram Products
StatusACTIVE
Face ShapeFLAT
Action TypeSPRING
Operating Mechanism LocationONE SIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
1560-00-069-81313-10500-3 INTERCHANGEABLE
Step Assembly
Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems
5325-00-297-050326191 INTERCHANGEABLE
Grommet,nonmetallic
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5330-00-520-1480 INTERCHANGEABLE
Seal,plain Encased
2640-00-555-2843WH-300-J-650C INTERCHANGEABLE
Valve,pneumatic Tire
Haltec Corp
5935-00-636-5913 INTERCHANGEABLE
Connector,receptacle,electrical
5930-00-687-1096815-1853053 SYMBOL 789 INTERCHANGEABLE
Switch,push
Naval Ship Systems Command
5365-01-075-789426191 INTERCHANGEABLE
Shim
Eaton Aerospace Llc
3020-01-248-825226191 INTERCHANGEABLE
Gear,spur
Scientific Atlanta Inc
1560-01-714-62862-6191-3 INTERCHANGEABLE
Support,structural Component,air
The Boeing Company Div Defense
1560-01-714-63052-6191-2 INTERCHANGEABLE
Support,structural Component,air
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
740592-103 Lockheed Martin Corp (USA)
M310500-3 PRIMARY Howmet Global Fastening Systems Inc Div Ram Products (USA)
2619-1 Adams Rite Aerospace, Inc (USA)
H983-3 Hartwell Corporation (USA)
310500-3 Howmet Global Fastening Systems Inc. Div Tridair Products (USA)
Related Parts
1560-00-069-8131INTERCHANGEABLE
STEP ASSEMBLY
3-10500-3
5325-00-297-0503INTERCHANGEABLE
GROMMET,NONMETALLIC
26191
5330-00-520-1480INTERCHANGEABLE
SEAL,PLAIN ENCASED
2640-00-555-2843INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
WH-300-J-650C
5935-00-636-5913INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5930-00-687-1096INTERCHANGEABLE
SWITCH,PUSH
815-1853053 SYMBOL 789
5365-01-075-7894INTERCHANGEABLE
SHIM
26191
3020-01-248-8252INTERCHANGEABLE
GEAR,SPUR
26191
1560-01-714-6286INTERCHANGEABLE
SUPPORT,STRUCTURAL COMPONENT,AIR
2-6191-3
1560-01-714-6305INTERCHANGEABLE
SUPPORT,STRUCTURAL COMPONENT,AIR
2-6191-2

Frequently Asked Questions

What is NSN 5340-01-277-5126?

NSN 5340-01-277-5126 is a Latch,mortise, manufactured by Howmet Global Fastening Systems Inc Div Ram Products, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-277-5126?

NSN 5340-01-277-5126 has 5 cross-referenced part numbers: 740592-103 (Lockheed Martin Corp), M310500-3 (Howmet Global Fastening Systems Inc Div Ram Products), 2619-1 (Adams Rite Aerospace, Inc), H983-3 (Hartwell Corporation), 310500-3 (Howmet Global Fastening Systems Inc. Div Tridair Products).

What NSN replaces 5340-01-277-5126?

There are 10 known substitutes for 5340-01-277-5126: 1560-00-069-8131, 5325-00-297-0503, 5330-00-520-1480 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M310500-3?

Key specifications for M310500-3: Face Shape: FLAT; Action Type: SPRING; Operating Mechanism Location: ONE SIDE. 3 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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