What are the part numbers for NSN 4820-01-171-1978?

NSN 4820-01-171-1978 (Seat,Valve) has 4 associated part numbers from 2 manufacturers. View the complete part number cross-reference on this page.

Who manufactures NSN 4820-01-171-1978?

NSN 4820-01-171-1978 is manufactured by Naval Ship Systems Command, Electric Boat Corporation Div General Dynamics Electric Boat.

What is the price of NSN 4820-01-171-1978?

The most recent government unit price for NSN 4820-01-171-1978 (Seat,Valve) is $611.21.

NSN

4820-01-171-1978

Name: Seat,Valve — NSN 4820-01-171-1978
SKU: 4820-01-171-1978
Price: 611.21 USD
Availability: InStock

Seat,Valve

FSC 4820 — VALVES, NONPOWEREDFSG 48 — VALVES

Unit Price

$611.21

per EA

4 parts / 2 mfrs

Part Numbers for NSN 4820-01-171-19784 records

Part Number	CAGE	Manufacturer	RNCC	RNVC
522-4677496	80064	Naval Ship Systems Command	D	9
522-4677496ITEM13	80064	Naval Ship Systems Command	5	2
87682-7603	96169	Electric Boat Corporation Div General Dynamics Electric Boat	D	9
87682-7603ITEM13	96169	Electric Boat Corporation Div General Dynamics Electric Boat	3	2

Manufacturers (2)

Naval Ship Systems Command

CAGE 80064

View NSNs

Electric Boat Corporation Div General Dynamics Electric Boat

CAGE 96169

View NSNs

Price History

Effective Date	Unit Price	UI	SLC
01-OCT-2025	$611.21	EA	0
01-DEC-2025	$611.21	EA	0

Identification Data

DEMIL

HMIC

PMIC

ESD/EMI

Item Characteristics

MRC	Requirement	Reply
ABKK	FLANGE DIAMETER	0.482 INCHES MINIMUM AND 0.483 INCHES MAXIMUM
ADAR	BODY OUTSIDE DIAMETER	0.482 INCHES MINIMUM AND 0.483 INCHES MAXIMUM
ADAS	BODY INSIDE DIAMETER	0.312 INCHES NOMINAL
AJRF	FLANGE SEAT TO DISK END HEIGHT	0.120 INCHES NOMINAL
AJRM	UNDER FLANGE HEIGHT	0.820 INCHES NOMINAL
CQKM	SEATING SURFACE SHAPE	FLAT
MATT	MATERIAL	NICKEL ALLOY OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYL	STYLE DESIGNATOR	PLAIN FLANGED

Related NSNs in FSC 4820

4820-00-733-2614 4820-00-990-8769 4820-00-361-4621— Valve Assembly,Manifold 4820-00-432-9581— Valve,Gate 4820-01-496-7728— Valve,Ball 4820-01-508-4339— Valve,Calibrated Flow 4820-01-677-8252— Valve,Bleeder,Hydraulic System 4820-00-883-2203 4820-01-439-4861— Valve,Ball 4820-01-664-6716— Valve,Relief,Pressure and Temper

Need full procurement data, packaging, and standardization info?

View Complete NSN Data on NSN Lookup

Quick Reference

NSN4820-01-171-1978

NIIN011711978

FSC4820

PRICE$611.21

DEMILA

PARTS4

MFRS2

Manufacturers

Naval Ship Systems Command

CAGE 80064

Electric Boat Corporation Div General Dynamics Electric Boat

CAGE 96169

About NSN 4820-01-171-1978

NSN 4820-01-171-1978 is a National Stock Number assigned to Seat,Valve. This NSN part number belongs to Federal Supply Class 4820 (VALVES, NONPOWERED) under Federal Supply Group 48 (VALVES). There are 4 part numbers associated with this NSN from 2 manufacturers.

The current government unit price for NSN 4820-01-171-1978 is $611.21. Price history shows 2 recorded price changes.

To find the part number for NSN 4820-01-171-1978, refer to the part number cross-reference table above. Each part number is linked to its manufacturer through a CAGE (Commercial and Government Entity) code.