08312

View detailed technical data, stock status, and sourcing information for: 08312
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Federal Supply Group

Hand Tools

Federal Supply Classification

5136 Collets; Hand and Machine, Dies and Taps

National Stock Number

5136-00-203-6510

Item Name Code

15218

Assigment Date

01/01/1963 (63 years ago)

An internal threading tool with longitudinally separated cutting edges designed to form specific threads.

+0.2175 to 0.2180 inches thread pitch diameters, right-hand thread direction, 0.191 inches nominal width across flats, 1.000 inches nominal thread length, 0.255 inches nominal shank diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Pitch Diameters: +0.2175 to 0.2180 inches
Thread Direction: right-hand
Thread Length: 1.000 inches nominal
Shank Diameter: 0.255 inches nominal
Width Across Flats: 0.191 inches nominal
Overall Length: 2.500 inches nominal
Flute Quantity: 4
Thread Structure: regular
Thread Forming Method: ground
Starting Chamfer Type: plug
Square End Length: unable to decode
Material And Location: unable to decode
Style Designator: straight flute
Thread Size And Series/Type Designator: 0.250-20 unc
Specification/Standard Data: 05047-asme b94.9 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5136-01-520-6154	No Name Available	07/01/2024
5136-01-604-4774	No Name Available	04/01/2024
5136-01-649-7711	No Name Available	04/01/2023

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
08312	Thread Cutting Tap
120935	Thread Cutting Tap
B94.9 1/4-20 UNC HS G H1	Thread Cutting Tap
C54444	Thread Cutting Tap
FRS T100	Thread Cutting Tap
T100A	Thread Cutting Tap
ZHVY0331-12	Thread Cutting Tap
ZLW0285-12	Thread Cutting Tap

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5136-00-203-6510?

The FSCG of the NSN 5136-00-203-6510 is 5136

Does the NSN 5136-00-203-6510 have a Schedule B code assigned?

Yes, the Schedule B code is 8207400000

Does NSN 5136-00-203-6510 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5136-00-203-6510 contain precious materials?

Item does not contain precious metal.

Does NSN 5136-00-203-6510 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5136-00-203-6510 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963