NSN

4520-01-278-9931

Reducer,Air Conditioning-Heating

FSC 4520SPACE AND WATER HEATING EQUIPMENTFSG 45PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT

Unit Price

$609.52

per EA

3 parts / 2 mfrs

Part Numbers for NSN 4520-01-278-99313 records
Part NumberCAGEManufacturerRNCCRNVC
5599989-938597Lockheed Martin Corporation Div Rotary and Mission Systems32
559998953711Naval Sea Systems CommandD9
5599989-953711Naval Sea Systems CommandC1
Manufacturers (2)

Lockheed Martin Corporation Div Rotary and Mission Systems

CAGE 38597
View NSNs

Naval Sea Systems Command

CAGE 53711
View NSNs
Price History
Effective DateUnit PriceUISLC
01-OCT-2025$609.52EA0
01-OCT-2025$609.52EA0
Identification Data

DEMIL

A

HMIC

N

PMIC

A

ESD/EMI

Item Characteristics
MRCRequirementReply
ABHPOVERALL LENGTH12.880 INCHES NOMINAL
ABMKOVERALL WIDTH5.960 INCHES NOMINAL
CSLXFITTING OVERALL LENGTH2.260 INCHES NOMINAL
CSZCMAIN TRUNK INLET DIAMETER10.880 INCHES NOMINAL
CXBFMAIN TRUNK REDUCING OUTLET DIAMETER6.000 INCHES NOMINAL
FEATSPECIAL FEATURESFLANGED CONNECTIONS
STYLSTYLE DESIGNATORREDUCING

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Quick Reference

NSN4520-01-278-9931
NIIN012789931
FSC4520
PRICE$609.52
DEMILA
PARTS3
MFRS2

About NSN 4520-01-278-9931

NSN 4520-01-278-9931 is a National Stock Number assigned to Reducer,Air Conditioning-Heating. This NSN part number belongs to Federal Supply Class 4520 (SPACE AND WATER HEATING EQUIPMENT) under Federal Supply Group 45 (PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT). There are 3 part numbers associated with this NSN from 2 manufacturers.

The current government unit price for NSN 4520-01-278-9931 is $609.52. Price history shows 2 recorded price changes.

To find the part number for NSN 4520-01-278-9931, 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.