PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C54390Tap,thread Cutting

Greenfield Industries Inc · NSN 5136-00-966-5977 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-966-5977 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-966-5977. Primary manufacturer part number: C54390.
Features
  • Tap,thread Cutting — FSC 5136
  • Thread Pitch Diameters: +0.1938 TO 0.1943 INCHES IN
  • Thread Length: 0.938 INCHES NOMINAL IN
  • Width Across Flats: 0.165 INCHES NOMINAL IN
  • Starting Chamfer Type: PLUG
  • Thread Structure: REGULAR
  • Thread Forming Method: GROUND
  • Thread Size and Series/type Designator: 0.216-28 UNF
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-966-5977, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Greenfield Industries Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5136-00-966-5977
Primary Part NumberC54390
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerGreenfield Industries Inc
StatusACTIVE
Thread Pitch Diameters+0.1938 TO 0.1943 INCHES IN
Thread Length0.938 INCHES NOMINAL IN
Width Across Flats0.165 INCHES NOMINAL IN
Starting Chamfer TypePLUG
Thread StructureREGULAR
Thread Forming MethodGROUND
Thread Size and Series/type Designator0.216-28 UNF
Style DesignatorSTRAIGHT FLUTE
Flute Quantity4
Length0.281 INCHES NOMINAL SQUARE END IN
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Shank Diameter0.220 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-154011703 INTERCHANGEABLE
Element,thermostati
Leslie Controls, Inc. Dba Leslie Controls Inc
2840-00-097-883015391 INTERCHANGEABLE
Pad,engine Mounting
Williams International Co., L.l.c.
5340-00-111-376711703 INTERCHANGEABLE
Standoff,threaded,spacing
Grimes Aerospace Company
5120-00-168-9812 INTERCHANGEABLE
Wrench,spanner
5310-00-186-0971 INTERCHANGEABLE
Washer,key
5133-00-227-5983 INTERCHANGEABLE
Drill,twist
4730-00-231-6384 INTERCHANGEABLE
Nut,tube Coupling
5965-00-296-94561628 INTERCHANGEABLE
Microphone Element
Audiosears Corp Dba Audiosears Corp
3805-00-371-610511703 INTERCHANGEABLE
Shaft,ball Crank
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
1650-00-438-378910258 INTERCHANGEABLE
Disk,valve
Hydro-Aire Aerospace Corp
Cross-Reference Index
Part NumberManufacturer
C54390 Greenfield Industries Inc (USA)
120704 Jarvis Cutting Tools Inc (USA)
11703 Bendix Corp the Industrial Tools Div South Beloit Plant (USA)
10258 Osg Usa Inc (USA)
SRW14TPLUG Howmet Global Fastening Systems Inc Div Assembly Tooling Division (USA)
08305 Regal-Beloit Corporation Div Regal Cutting Tools (USA)
GGG-T-70 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B94.9 The American Society of Mechanical Engineers (USA)
15391 Greenfield Industries Inc (USA)
C54390 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
B94.9 12-28 UNF HS G H3 General Services Administration Federal Supply Service (USA)
GGG-T-70 TY1SEBSTB General Services Administration Federal Supply Service (USA)
15391 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
Related Parts
4820-00-036-1540INTERCHANGEABLE
ELEMENT,THERMOSTATI
11703
2840-00-097-8830INTERCHANGEABLE
PAD,ENGINE MOUNTING
15391
5340-00-111-3767INTERCHANGEABLE
STANDOFF,THREADED,SPACING
11703
5120-00-168-9812INTERCHANGEABLE
WRENCH,SPANNER
5310-00-186-0971INTERCHANGEABLE
WASHER,KEY
5133-00-227-5983INTERCHANGEABLE
DRILL,TWIST
4730-00-231-6384INTERCHANGEABLE
NUT,TUBE COUPLING
5965-00-296-9456INTERCHANGEABLE
MICROPHONE ELEMENT
1628
3805-00-371-6105INTERCHANGEABLE
SHAFT,BALL CRANK
11703
1650-00-438-3789INTERCHANGEABLE
DISK,VALVE
10258
2825-00-447-0451INTERCHANGEABLE
CHAMBER
10258
5950-00-726-0165INTERCHANGEABLE
COIL,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5136-00-966-5977?

NSN 5136-00-966-5977 is a Tap,thread Cutting, manufactured by Greenfield Industries Inc, classified under FSC 5136 (No Item Name Available). Status: active.

What are the part numbers for NSN 5136-00-966-5977?

NSN 5136-00-966-5977 has 13 cross-referenced part numbers: C54390 (Greenfield Industries Inc), 120704 (Jarvis Cutting Tools Inc), 11703 (Bendix Corp the Industrial Tools Div South Beloit Plant), 10258 (Osg Usa Inc), SRW14TPLUG (Howmet Global Fastening Systems Inc Div Assembly Tooling Division) and 8 more.

What NSN replaces 5136-00-966-5977?

There are 12 known substitutes for 5136-00-966-5977: 4820-00-036-1540, 2840-00-097-8830, 5340-00-111-3767 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C54390?

Key specifications for C54390: Thread Pitch Diameters: +0.1938 TO 0.1943 INCHES IN; Thread Length: 0.938 INCHES NOMINAL IN; Width Across Flats: 0.165 INCHES NOMINAL IN; Starting Chamfer Type: PLUG. 15 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