PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41T1368-1895Tap,thread Cutting

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5136-00-255-9948 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-255-9948 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-255-9948. Primary manufacturer part number: 41T1368-1895.
Features
  • Tap,thread Cutting — FSC 5136
  • Starting Chamfer Type: PLUG
  • Thread Structure: REGULAR
  • Style Designator: STRAIGHT FLUTE
  • Width Across Flats: 0.286 INCHES NOMINAL IN
  • Thread Size and Series/type Designator: 0.312-18 STI
  • Thread Forming Method: GROUND
  • Flute Quantity: 4
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-255-9948, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5136-00-255-9948
Primary Part Number41T1368-1895
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Starting Chamfer TypePLUG
Thread StructureREGULAR
Style DesignatorSTRAIGHT FLUTE
Width Across Flats0.286 INCHES NOMINAL IN
Thread Size and Series/type Designator0.312-18 STI
Thread Forming MethodGROUND
Flute Quantity4
MaterialSTEEL OVERALL
Length0.438 INCHES NOMINAL SQUARE END IN
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS
Thread Length1.250 INCHES NOMINAL IN
Shank Diameter0.381 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Pitch Diameters+0.3496 TO 0.3501 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-074-7198 INTERCHANGEABLE
Seat,valve
5136-00-104-4147 INTERCHANGEABLE
Tap,thread Cutting
5136-00-104-4158 INTERCHANGEABLE
Tap,thread Cutting
5136-00-104-4159 INTERCHANGEABLE
Tap,thread Cutting
5136-00-134-75426CRU INTERCHANGEABLE
Tap,thread Cutting
Stanley Engineered Fastening Llc
3455-00-254-846213520 INTERCHANGEABLE
Cutter,milling,convex
Niagara Cutter Inc
3455-00-254-846313540 INTERCHANGEABLE
Cutter,milling,convex
Niagara Cutter Inc
3455-00-254-846413560 INTERCHANGEABLE
Cutter,milling,convex
Niagara Cutter Inc
3455-00-254-8468C152 INTERCHANGEABLE
Cutter,milling,convex
F & D Tool Co Inc
3455-00-278-119113530 INTERCHANGEABLE
Cutter,milling,convex
Niagara Cutter Inc
Cross-Reference Index
Part NumberManufacturer
MIL-T-21309 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-T-21309 TY1CL2 General Services Administration Federal Supply Service (USA)
41T1368-1895 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
186-5 Stanley Engineered Fastening Llc (USA)
Related Parts
4820-00-074-7198INTERCHANGEABLE
SEAT,VALVE
5136-00-104-4147INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-104-4158INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-104-4159INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-134-7542INTERCHANGEABLE
TAP,THREAD CUTTING
6CRU
3455-00-254-8462INTERCHANGEABLE
CUTTER,MILLING,CONVEX
13520
3455-00-254-8463INTERCHANGEABLE
CUTTER,MILLING,CONVEX
13540
3455-00-254-8464INTERCHANGEABLE
CUTTER,MILLING,CONVEX
13560
3455-00-254-8468INTERCHANGEABLE
CUTTER,MILLING,CONVEX
C152
3455-00-278-1191INTERCHANGEABLE
CUTTER,MILLING,CONVEX
13530
4810-00-361-6286INTERCHANGEABLE
PLUNGER,ACTUATOR
1865
5136-00-370-4040INTERCHANGEABLE
TAP,THREAD CUTTING
7CRU

Frequently Asked Questions

What is NSN 5136-00-255-9948?

NSN 5136-00-255-9948 is a Tap,thread Cutting, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5136 (No Item Name Available). Status: active.

What are the part numbers for NSN 5136-00-255-9948?

NSN 5136-00-255-9948 has 4 cross-referenced part numbers: MIL-T-21309 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-T-21309 TY1CL2 (General Services Administration Federal Supply Service), 41T1368-1895 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 186-5 (Stanley Engineered Fastening Llc).

What NSN replaces 5136-00-255-9948?

There are 12 known substitutes for 5136-00-255-9948: 4820-00-074-7198, 5136-00-104-4147, 5136-00-104-4158 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41T1368-1895?

Key specifications for 41T1368-1895: Overall Length: 2.938 INCHES NOMINAL IN; Starting Chamfer Type: PLUG; Thread Structure: REGULAR; Style Designator: STRAIGHT FLUTE. 16 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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