PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B94.9 1/4-20 UNC HS G H3Tap,thread Cutting

General Services Administration Federal Supply Service · NSN 5136-00-618-3312 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-618-3312 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-618-3312. Primary manufacturer part number: B94.9 1/4-20 UNC HS G H3.
Features
  • Tap,thread Cutting — FSC 5136
  • Thread Direction: RIGHT-HAND
  • Thread Size and Series/type Designator: 0.250-20 UNIFIED NATIONAL COARSE (UNC)
  • Starting Chamfer Type: PLUG
  • Thread Structure: REGULAR
  • Thread Forming Method: GROUND
  • Flute Quantity: 4
  • Specification/standard Data: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-618-3312, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5136-00-618-3312
Primary Part NumberB94.9 1/4-20 UNC HS G H3
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Thread DirectionRIGHT-HAND
Thread Size and Series/type Designator0.250-20 UNIFIED NATIONAL COARSE (UNC)
Starting Chamfer TypePLUG
Thread StructureREGULAR
Thread Forming MethodGROUND
Flute Quantity4
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Width Across Flats0.250 INCHES NOMINAL IN
Style DesignatorSTRAIGHT FLUTE
Thread Pitch Diameters+0.2185 TO 0.2190 INCHES IN
Thread Length1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5136-00-293-0711 INTERCHANGEABLE
Tap,thread Cutting
5136-00-555-9206310310 INTERCHANGEABLE
Tap,thread Cutting
Stanley Tools Div of Stanley Works
5136-00-585-7880 INTERCHANGEABLE
Tap,thread Cutting
5136-00-729-5693 INTERCHANGEABLE
Tap,thread Cutting
5136-01-361-1018 INTERCHANGEABLE
Tap,thread Cutting
Cross-Reference Index
Part NumberManufacturer
B94.9 1/4-20 UNC HS G H3 General Services Administration Federal Supply Service (USA)
809528 Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
B94.9 The American Society of Mechanical Engineers (USA)
Related Parts
5136-00-293-0711INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-555-9206INTERCHANGEABLE
TAP,THREAD CUTTING
310310
5136-00-585-7880INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-729-5693INTERCHANGEABLE
TAP,THREAD CUTTING
5136-01-361-1018INTERCHANGEABLE
TAP,THREAD CUTTING

Frequently Asked Questions

What is NSN 5136-00-618-3312?

NSN 5136-00-618-3312 is a Tap,thread Cutting, manufactured by General Services Administration Federal Supply Service, classified under FSC 5136 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5136-00-618-3312?

NSN 5136-00-618-3312 has 3 cross-referenced part numbers: B94.9 1/4-20 UNC HS G H3 (General Services Administration Federal Supply Service), 809528 (Curtiss-Wright Controls, Inc. Div Actuation Division), B94.9 (The American Society of Mechanical Engineers).

What NSN replaces 5136-00-618-3312?

There are 5 known substitutes for 5136-00-618-3312: 5136-00-293-0711, 5136-00-555-9206, 5136-00-585-7880 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B94.9 1/4-20 UNC HS G H3?

Key specifications for B94.9 1/4-20 UNC HS G H3: Thread Direction: RIGHT-HAND; Thread Size and Series/type Designator: 0.250-20 UNIFIED NATIONAL COARSE (UNC); Starting Chamfer Type: PLUG; Overall Length: 2.500 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5136-00-618-3312 still in active supply?

NSN 5136-00-618-3312 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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