HCG8WN-08-S

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-164-6409

Item Name Code

29729

Assigment Date

02/09/1973 (53 years ago)

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.

prevailing torque all metal design locking feature, 0.266 inches minimum and 0.281 inches maximum washer outside diameter, right-hand thread direction, 3b thread class, 0.230 inches minimum and 0.250 inches maximum overall height

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.266 inches minimum and 0.281 inches maximum
Overall Height: 0.230 inches minimum and 0.250 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.015 inches minimum and 0.035 inches maximum
End Item Identification: t700 tf34 engines
Width Across Flats: 0.212 inches minimum and 0.220 inches maximum
Temp Rating: 1200.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 36
Nominal Thread Size: 0.164 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5537 assn std single material response overall
Precious Material: silver
Surface Treatment: silver overall
Specification/Standard Data: 07482--50t421 manufacturers specification
Nondefinitive Spec/Std Data: d class

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
5310PL0145220	Extended Washer Self-Locking Nut
H19817-836	Extended Washer Self-Locking Nut
HCG8WN-08-S	Extended Washer Self-Locking Nut
R1181	Extended Washer Self-Locking Nut
R1181P002	Extended Washer Self-Locking Nut
R1181P002C	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-164-6409?

The FSCG of the NSN 5310-00-164-6409 is 5310

Does the NSN 5310-00-164-6409 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-164-6409 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 5310-00-164-6409 contain precious materials?

Item contains silver.

Does NSN 5310-00-164-6409 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 5310-00-164-6409 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Feb 9, 1973