PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B94.9 7/8-9 UNC HS G H4Tap,thread Cutting

General Services Administration Federal Supply Service · NSN 5136-00-232-3964 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-232-3964 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-232-3964. Primary manufacturer part number: B94.9 7/8-9 UNC HS G H4.
Features
  • Tap,thread Cutting — FSC 5136
  • Departure From Cited Designator: AS MODIFIED BY WIDTH ACROSS FLATS, THREAD LENGTH, OVERALL LENGTH AND SPECIAL FEATURES
  • Thread Forming Method: GROUND
  • Width Across Flats: 0.545 INCHES NOMINAL IN
  • Starting Chamfer Type: TAPER
  • Flute Quantity: 4
  • Thread Structure: REGULAR
  • Style Designator: STRAIGHT FLUTE
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-232-3964, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN5136-00-232-3964
Primary Part NumberB94.9 7/8-9 UNC HS G H4
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Departure From Cited DesignatorAS MODIFIED BY WIDTH ACROSS FLATS, THREAD LENGTH, OVERALL LENGTH AND SPECIAL FEATURES
Thread Forming MethodGROUND
Width Across Flats0.545 INCHES NOMINAL IN
Starting Chamfer TypeTAPER
Flute Quantity4
Thread StructureREGULAR
Style DesignatorSTRAIGHT FLUTE
Thread Size and Series/type Designator0.875-9 UNIFIED NATIONAL COARSE (UNC)
Length0.750 INCHES NOMINAL SQUARE END IN
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Thread Pitch Diameters+0.8043 TO 0.8048 INCHES IN
Thread Length2.500 INCHES MINIMUM IN
Shank Diameter0.800 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5136-00-177-690254884 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5136-00-228-1054FRS T123 INTERCHANGEABLE
Tap,thread Cutting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5136-00-239-2174 INTERCHANGEABLE
Tap,thread Cutting
5136-00-729-570154885 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
Cross-Reference Index
Part NumberManufacturer
B94.9 7/8-9 UNC HS G H4 General Services Administration Federal Supply Service (USA)
GGG-T-70 TY1SEASTA General Services Administration Federal Supply Service (USA)
B94.9 The American Society of Mechanical Engineers (USA)
GGG-T-70 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
2052 7/8-9 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
Related Parts
5136-00-177-6902INTERCHANGEABLE
TAP,THREAD CUTTING
54884
5136-00-228-1054INTERCHANGEABLE
TAP,THREAD CUTTING
FRS T123
5136-00-239-2174INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-729-5701INTERCHANGEABLE
TAP,THREAD CUTTING
54885

Frequently Asked Questions

What is NSN 5136-00-232-3964?

NSN 5136-00-232-3964 is a Tap,thread Cutting, manufactured by General Services Administration Federal Supply Service, classified under FSC 5136 (No Item Name Available). Status: active.

What are the part numbers for NSN 5136-00-232-3964?

NSN 5136-00-232-3964 has 5 cross-referenced part numbers: B94.9 7/8-9 UNC HS G H4 (General Services Administration Federal Supply Service), GGG-T-70 TY1SEASTA (General Services Administration Federal Supply Service), B94.9 (The American Society of Mechanical Engineers), GGG-T-70 (Federal Specifications Promulgated by General Services Administration Washington DC), 2052 7/8-9 (Morse Cutting Tools Div of Morse Cutting Tool Corp).

What NSN replaces 5136-00-232-3964?

There are 4 known substitutes for 5136-00-232-3964: 5136-00-177-6902, 5136-00-228-1054, 5136-00-239-2174 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B94.9 7/8-9 UNC HS G H4?

Key specifications for B94.9 7/8-9 UNC HS G H4: Overall Length: 10.000 INCHES NOMINAL IN; Departure From Cited Designator: AS MODIFIED BY WIDTH ACROSS FLATS, THREAD LENGTH, OVERALL LENGTH AND SPECIAL FEATURES; Thread Forming Method: GROUND; Width Across Flats: 0.545 INCHES NOMINAL IN. 17 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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