YT277S4105-574841PC91

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Federal Supply Group

Ship and Marine Equipment

Federal Supply Classification

2030 Deck Machinery

National Stock Number

2030-00-365-6548

Item Name Code

77777

Assigment Date

01/01/1963 (63 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

2030-00-365-6548, spring seat

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2030-00-336-9471	No Name Available	01/01/1963

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
19-8-1975	Spring Seat
521142	Spring Seat
81418S41-404158PC33	Spring Seat
81418S41-404171PC58	Spring Seat
81418S41-404173PC58	Spring Seat
81418S41-404176PC58	Spring Seat
81418S41-404180PC58	Spring Seat
81418S41-404181PC58	Spring Seat
81418S41-404185PC58	Spring Seat
81831S4105-552719PC76	Spring Seat
81831S4105-552725PC76	Spring Seat
81831S4105-552735PC33	Spring Seat
81831S4105-552737PC33	Spring Seat
DE129S4105-241281PC33	Spring Seat
DE129S4105-241332PC58	Spring Seat
DE129S4105-241339PC58	Spring Seat
EV4215	Spring Seat
F69668PC521142	Spring Seat
SN5750-13PC76	Spring Seat
SN5750-19PC76	Spring Seat
SN5750-29PC33	Spring Seat
SN5750-31PC33	Spring Seat
X1018A1PC76	Spring Seat
X1018G1PC76	Spring Seat
X1036E1PC58	Spring Seat
X1046A1PC58	Spring Seat
X1046E1PC58	Spring Seat
X1047A1PC58	Spring Seat
X1047E1PC58	Spring Seat
X1075G1PC91	Spring Seat
X1076A1PC91	Spring Seat
Y1025A3PC33	Spring Seat
Y1025C1PC33	Spring Seat
Y1025C2PC33	Spring Seat
Y1025C3PC33	Spring Seat
Y1025C4PC33	Spring Seat
Y1035C1PC58	Spring Seat
Y1045A1PC58	Spring Seat
Y1045C1PC58	Spring Seat
YT277S4105-574789PC91	Spring Seat
YT277S4105-574832PC33	Spring Seat
YT277S4105-574841PC91	Spring Seat

FAQs

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

What is the FSCG of the NSN 2030-00-365-6548?

The FSCG of the NSN 2030-00-365-6548 is 2030

Does the NSN 2030-00-365-6548 have a Schedule B code assigned?

Yes, the Schedule B code is 8479909498

Does NSN 2030-00-365-6548 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 2030-00-365-6548 contain precious materials?

Precious metal content is unknown

Does NSN 2030-00-365-6548 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 2030-00-365-6548 was assigned to the Federal Catalog?

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