PRS21-8

View detailed technical data, stock status, and sourcing information for: PRS21-8
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Federal Supply Group

Hand Tools

Federal Supply Classification

5120 Nonpowered Nonedged Hand Tools

National Stock Number

5120-01-707-6329

Item Name Code

77777

Assigment Date

02/13/2023 (3 years ago)

A narrow strip of aluminum foil, plastic, cloth, or similar material, six inches (152.4 mm) or less in width. Generally in roll form with or without liner, designed to be affixed to an object by adhesion. It is used to cover pipe and similar objects. Under normal atmospheric conditions, it tends to resist any physical change. It may have a temerature rating and tensile strength. It does not contain coding signification, legendary characters, or printed data of any type. Excludes:tape, pressure sensitive adhesive; tape, insulation, electrical; tape, adhesive, rubber; tape, semi-conducting, electrical; and tape, shielding, elecrical.

clean parts with a soft clean cloth to remove all of the old lubricant and inspect parts for damage; if any damage is found replace the assembly special test features, set contains: 0-ring, p/n prs21-3 (qty 3); 0-ring, p/n prs21-6 (qty 1);back-up rings, p/n prs21-2 (qty 2) special features, the first 0-ring (prs21-6) is the one that makes the seal to the sea; this is a normal wear item and can be replaced anytime; the tools required are an 0-ring pick and the prs21-8-3; to replace the other parts will require a set of external snap-ring pliers, an 0-ring pick, the prs21-8 and some non-toxic 0-ring lubricant general characteristics item description, 2350-01-458-7410 end item identification, to remove parts, remove the visible 0-ring (prs21-6); next step: using the snap-ring pliers remove the snap-ring (prs21-5) and set it aside; next step: grasp the hex knob (prs21-1) in 1 hand and hold the body (prs21-4) in the other; next step: pull apart with a slight rotating motion of the hex knob; use the 0-ring pick to remove the 0-rings and back-up rings supplementary features

Product Characteristics

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

End Item Identification: 2350-01-458-7410
Special Features: set contains: 0-ring, p/n prs21-3 (qty 3); 0-ring, p/n prs21-6 (qty 1);back-up rings, p/n prs21-2 (qty 2)
Special Test Features: clean parts with a soft clean cloth to remove all of the old lubricant and inspect parts for damage; if any damage is found replace the assembly
Supplementary Features: to remove parts, remove the visible 0-ring (prs21-6); next step: using the snap-ring pliers remove the snap-ring (prs21-5) and set it aside; next step: grasp the hex knob (prs21-1) in 1 hand and hold the body (prs21-4) in the other; next step: pull apart with a slight rotating motion of the hex knob; use the 0-ring pick to remove the 0-rings and back-up rings
General Characteristics Item Description: the first 0-ring (prs21-6) is the one that makes the seal to the sea; this is a normal wear item and can be replaced anytime; the tools required are an 0-ring pick and the prs21-8-3; to replace the other parts will require a set of external snap-ring pliers, an 0-ring pick, the prs21-8 and some non-toxic 0-ring lubricant

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
PRS21-8	Gasket Installation Set

FAQs

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

What is the FSCG of the NSN 5120-01-707-6329?

The FSCG of the NSN 5120-01-707-6329 is 5120

Does NSN 5120-01-707-6329 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 5120-01-707-6329 contain precious materials?

Item does not contain precious metal.

Does NSN 5120-01-707-6329 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 5120-01-707-6329 was assigned to the Federal Catalog?

It was assigned 3 years ago, on Mon, Feb 13, 2023