PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17277Tap,thread Cutting

Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation · NSN 5136-01-178-5356 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-01-178-5356 — this item is cataloged by the U.S. Government under National Stock Number 5136-01-178-5356. Primary manufacturer part number: 17277.
Features
  • Tap,thread Cutting — FSC 5136
  • Thread Length: 1.000 INCHES NOMINAL IN
  • Width Across Flats: 0.191 INCHES NOMINAL IN
  • Length: 0.312 INCHES NOMINAL SQUARE END IN
  • Style Designator: SPIRAL POINTED FLUTE
  • Thread Structure: REGULAR
  • Starting Chamfer Type: BOTTOMING
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-01-178-5356, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5136-01-178-5356
Primary Part Number17277
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerSpiralock Corp Dba Spiralock Corp Div Spiralock Corporation
StatusACTIVE
Thread Length1.000 INCHES NOMINAL IN
Width Across Flats0.191 INCHES NOMINAL IN
Length0.312 INCHES NOMINAL SQUARE END IN
Style DesignatorSPIRAL POINTED FLUTE
Thread StructureREGULAR
Starting Chamfer TypeBOTTOMING
MaterialSTEEL OVERALL
Flute Quantity2
Thread Size and Series/type Designator0.250-20 UNIFIED NATIONAL COARSE (UNC)
Shank Diameter0.255 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-024-284117277 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5950-00-433-3915989110-50B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
1650-00-864-104417277 INTERCHANGEABLE
Bleed Plug Assembly
Fluid Conditioning Products, Inc.
2920-01-567-716617277 INTERCHANGEABLE
Switch,safety,neutral Start
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
17277 PRIMARY Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation (USA)
Related Parts
5330-00-024-2841INTERCHANGEABLE
GASKET
17277
5950-00-433-3915INTERCHANGEABLE
COIL,RADIO FREQUENCY
989110-50B
1650-00-864-1044INTERCHANGEABLE
BLEED PLUG ASSEMBLY
17277
2920-01-567-7166INTERCHANGEABLE
SWITCH,SAFETY,NEUTRAL START
17277

Frequently Asked Questions

What is NSN 5136-01-178-5356?

NSN 5136-01-178-5356 is a Tap,thread Cutting, manufactured by Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation, classified under FSC 5136 (No Item Name Available). Status: active.

What are the part numbers for NSN 5136-01-178-5356?

NSN 5136-01-178-5356 has 1 cross-referenced part number: 17277 (Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation).

What NSN replaces 5136-01-178-5356?

There are 4 known substitutes for 5136-01-178-5356: 5330-00-024-2841, 5950-00-433-3915, 1650-00-864-1044 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17277?

Key specifications for 17277: Thread Length: 1.000 INCHES NOMINAL IN; Width Across Flats: 0.191 INCHES NOMINAL IN; Length: 0.312 INCHES NOMINAL SQUARE END IN; Overall Length: 2.500 INCHES NOMINAL IN. 11 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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