PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54884Tap,thread Cutting

Tapco Cutting Tools Inc · NSN 5136-00-177-6902 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-177-6902 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-177-6902. Primary manufacturer part number: 54884.
Features
  • Tap,thread Cutting — FSC 5136
  • Thread Pitch Diameters: +0.8043 TO 0.8048 INCHES IN
  • Thread Length: 2.500 INCHES MINIMUM IN
  • Material: STEEL OVERALL
  • Material: STEEL OVERALL
  • Flute Quantity: 4
  • Thread Structure: REGULAR
  • Width Across Flats: 0.523 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-177-6902, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Tapco Cutting Tools Inc. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5136-00-177-6902
Primary Part Number54884
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerTapco Cutting Tools Inc
StatusACTIVE
Thread Pitch Diameters+0.8043 TO 0.8048 INCHES IN
Thread Length2.500 INCHES MINIMUM IN
MaterialSTEEL OVERALL
MaterialSTEEL OVERALL
Flute Quantity4
Thread StructureREGULAR
Width Across Flats0.523 INCHES NOMINAL IN
Starting Chamfer TypeTAPER
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Forming MethodGROUND
Length0.750 INCHES NOMINAL SQUARE END IN
Thread Size and Series/type Designator0.875-9 UNIFIED NATIONAL COARSE (UNC)
Style DesignatorSTRAIGHT FLUTE
Width Across Flats0.523 INCHES NOMINAL IN
Shank Diameter0.800 INCHES MINIMUM IN
Style DesignatorSTRAIGHT FLUTE
Thread Length2.500 INCHES MINIMUM IN
Starting Chamfer TypeTAPER
Length0.750 INCHES NOMINAL SQUARE END IN
Shank Diameter0.800 INCHES MINIMUM IN
Thread StructureREGULAR
Thread DirectionLEFT-HAND
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Size and Series/type Designator0.875-9 UNIFIED NATIONAL COARSE (UNC)
Flute Quantity4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5136-00-228-1054FRS T123 INTERCHANGEABLE
Tap,thread Cutting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5136-00-232-3964 INTERCHANGEABLE
Tap,thread Cutting
5136-00-239-2174 INTERCHANGEABLE
Tap,thread Cutting
2530-00-408-906254884R1 INTERCHANGEABLE
Ring,side and Lock,automotive Wh
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
5330-00-433-361454884 INTERCHANGEABLE
Seal
Dressta North America Ltd
5340-00-521-7181SM-B-157340 INTERCHANGEABLE
Cover,access
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3020-00-540-935954884 INTERCHANGEABLE
Gear,spur
Capitol Engine Co, Inc Dba Salmini Worldwide
5136-00-729-570154885 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5365-00-792-90285116198 INTERCHANGEABLE
Spacer,plate
Rolls-Royce Solutions America Inc
4720-01-111-5458 INTERCHANGEABLE
Hose,preformed
Cross-Reference Index
Part NumberManufacturer
54884 PRIMARY Tapco Cutting Tools Inc (USA)
B94.9 The American Society of Mechanical Engineers (USA)
GGG-T-70 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
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)
54884 Tapco (USA)
Related Parts
5136-00-228-1054INTERCHANGEABLE
TAP,THREAD CUTTING
FRS T123
5136-00-232-3964INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-239-2174INTERCHANGEABLE
TAP,THREAD CUTTING
2530-00-408-9062INTERCHANGEABLE
RING,SIDE AND LOCK,AUTOMOTIVE WH
54884R1
5330-00-433-3614INTERCHANGEABLE
SEAL
54884
5340-00-521-7181INTERCHANGEABLE
COVER,ACCESS
SM-B-157340
3020-00-540-9359INTERCHANGEABLE
GEAR,SPUR
54884
5136-00-729-5701INTERCHANGEABLE
TAP,THREAD CUTTING
54885
5365-00-792-9028INTERCHANGEABLE
SPACER,PLATE
5116198
4720-01-111-5458INTERCHANGEABLE
HOSE,PREFORMED

Frequently Asked Questions

What is NSN 5136-00-177-6902?

NSN 5136-00-177-6902 is a Tap,thread Cutting, manufactured by Tapco Cutting Tools Inc, classified under FSC 5136 (No Item Name Available). Status: active.

What are the part numbers for NSN 5136-00-177-6902?

NSN 5136-00-177-6902 has 6 cross-referenced part numbers: 54884 (Tapco Cutting Tools Inc), B94.9 (The American Society of Mechanical Engineers), GGG-T-70 (Federal Specifications Promulgated by General Services Administration Washington DC), 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) and 1 more.

What NSN replaces 5136-00-177-6902?

There are 10 known substitutes for 5136-00-177-6902: 5136-00-228-1054, 5136-00-232-3964, 5136-00-239-2174 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54884?

Key specifications for 54884: Thread Pitch Diameters: +0.8043 TO 0.8048 INCHES IN; Thread Length: 2.500 INCHES MINIMUM IN; Material: STEEL OVERALL; Material: STEEL OVERALL. 27 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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