PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B94.9 7/8-14 UNF LH HS G H4Tap,thread Cutting

General Services Administration Federal Supply Service · NSN 5136-00-177-6901 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-177-6901 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-177-6901. Primary manufacturer part number: B94.9 7/8-14 UNF LH HS G H4.
Features
  • Tap,thread Cutting — FSC 5136
  • Shank Diameter: 0.800 INCHES MINIMUM IN
  • Starting Chamfer Type: TAPER
  • Thread Structure: REGULAR
  • Thread Forming Method: GROUND
  • Specification/standard Data: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: STRAIGHT FLUTE
  • Starting Chamfer Type: TAPER
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-177-6901, 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 25 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5136-00-177-6901
Primary Part NumberB94.9 7/8-14 UNF LH HS G H4
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Shank Diameter0.800 INCHES MINIMUM IN
Starting Chamfer TypeTAPER
Thread StructureREGULAR
Thread Forming MethodGROUND
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorSTRAIGHT FLUTE
Starting Chamfer TypeTAPER
Flute Quantity4
MaterialSTEEL OVERALL
Thread Size and Series/type Designator0.875-14 UNF
Thread StructureREGULAR
Width Across Flats0.523 INCHES NOMINAL IN
Length0.750 INCHES NOMINAL SQUARE END IN
Flute Quantity4
Length0.750 INCHES NOMINAL SQUARE END IN
Style DesignatorSTRAIGHT FLUTE
Width Across Flats0.523 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Shank Diameter0.800 INCHES MINIMUM IN
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Length2.500 INCHES MINIMUM IN
Thread DirectionLEFT-HAND
Thread Pitch Diameters+0.8301 TO 0.8306 INCHES IN
Thread Length2.500 INCHES MINIMUM IN
Thread Size and Series/type Designator0.875-14 UNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5365-00-089-37257368419 INTERCHANGEABLE
Spacer,wood
U S Army Tank Automotive Command Amsta-Im-Mm
5930-00-577-016614520 INTERCHANGEABLE
Switch,thermostatic
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5950-00-646-2630 INTERCHANGEABLE
Reactor
5999-00-700-4523 INTERCHANGEABLE
Contact,electrical
5985-01-129-594514520 INTERCHANGEABLE
Antenna Subassembly
Dayton-Granger, Inc.
5331-01-373-149714520 INTERCHANGEABLE
O-Ring
Cat Pumps Corp
Cross-Reference Index
Part NumberManufacturer
B94.9 7/8-14 UNF LH HS G H4 General Services Administration Federal Supply Service (USA)
GGG-T-70 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B94.9 The American Society of Mechanical Engineers (USA)
14520 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
GGG-T-70 TY1SEBSTA General Services Administration Federal Supply Service (USA)
Related Parts
5365-00-089-3725INTERCHANGEABLE
SPACER,WOOD
7368419
5930-00-577-0166INTERCHANGEABLE
SWITCH,THERMOSTATIC
14520
5950-00-646-2630INTERCHANGEABLE
REACTOR
5999-00-700-4523INTERCHANGEABLE
CONTACT,ELECTRICAL
5985-01-129-5945INTERCHANGEABLE
ANTENNA SUBASSEMBLY
14520
5331-01-373-1497INTERCHANGEABLE
O-RING
14520

Frequently Asked Questions

What is NSN 5136-00-177-6901?

NSN 5136-00-177-6901 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 5136-00-177-6901?

NSN 5136-00-177-6901 has 5 cross-referenced part numbers: B94.9 7/8-14 UNF LH HS G H4 (General Services Administration Federal Supply Service), GGG-T-70 (Federal Specifications Promulgated by General Services Administration Washington DC), B94.9 (The American Society of Mechanical Engineers), 14520 (Kennametal Inc. Div Kennametal Industrial Products Group), GGG-T-70 TY1SEBSTA (General Services Administration Federal Supply Service).

What NSN replaces 5136-00-177-6901?

There are 6 known substitutes for 5136-00-177-6901: 5365-00-089-3725, 5930-00-577-0166, 5950-00-646-2630 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B94.9 7/8-14 UNF LH HS G H4?

Key specifications for B94.9 7/8-14 UNF LH HS G H4: Shank Diameter: 0.800 INCHES MINIMUM IN; Starting Chamfer Type: TAPER; Thread Structure: REGULAR; Overall Length: 4.688 INCHES NOMINAL IN. 27 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com