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HD404 — GAGE,PRESSURE,DIAL INDICATING

✓ Government record, cited
BRISTOL BABCOCK INC HELICOID INSTRUMENTS DIV · COMPONENT
PRODUCT OVERVIEW

HD404: GAGE,PRESSURE,DIAL INDICATING.

The GAGE,PRESSURE,DIAL INDICATING is a BRISTOL BABCOCK INC HELICOID INSTRUMENTS DIV industrial component. Key specifications include MATERIAL: ALUMINUM ALLOY CASE, DIAL SIZE: 3-1/2 INCH DIAMETER IN, SCALE NAME: PRESSURE, SCALE TYPE: SINGLE, SCALE RANGE: +0.000 TO 100.000 POUNDS PRESSURE PER SQUARE INCH LBS, POINTER TYPE: INDICATING. This part is cataloged in the U.S.

Government catalog under NSN 6685-00-482-8431, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
HD404
NSN: 6685-00-482-8431
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
CAGE: 70462 — BRISTOL BABCOCK INC HELICOID INSTRUMENTS DIV (USA)
SPECIFICATIONS
MATERIALALUMINUM ALLOY CASE
DIAL SIZE3-1/2 INCH DIAMETER IN
SCALE NAMEPRESSURE
SCALE TYPESINGLE
SCALE RANGE+0.000 TO 100.000 POUNDS PRESSURE PER SQUARE INCH LBS
POINTER TYPEINDICATING
OVERALL DEPTH1.984 INCHES NOMINAL IN
STUD LOCATIONBACK
SCALE ACCURACY1/2 OF 1 PERCENT OF FULL SCALE
CONNECTION SIZE0.250 IN. NPTF DIA IN
CONNECTION TYPEEXTERNAL
MOUNTING METHODBRACKET(S) AND STUD(S)
NSN6685-00-482-8431
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: BRISTOL BABCOCK INC HELICOID INSTRUMENTS DIV GAGE,PRESSURE,DIAL INDICATING TITLE COMPONENT PN HD404 MFR BRISTOL BABCOCK INC HELICOID INSTRUMENTS DIV GAGE,PRESSURE,DIAL IND
KEY FEATURES
•
FSC APPLICATION DATA: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
•
SCALE ACCURACY: 1/2 OF 1 PERCENT OF FULL SCALE
•
SCALE NAME: PRESSURE
•
OVERALL DIAMETER: 4.125 INCHES NOMINAL IN
•
MOUNTING METHOD: BRACKET(S) AND STUD(S)
•
SCALE INSCRIPTION/BACKGROUND COLOR: WHITE BACKGROUND WITHOUT NUMBERS,SHADED GREEN BANDS AND RED LINES FROM CENTER TO OUTER EDGE,SHADED GREEN WITH MARK 38 PRINTED IN AREA FROM 54.3 TO 66.3 PSIG,SINGLE RED MARK AT 0.3 PSI,SINGLE BLACK MARK AT 10 PSI ON OUTER EDGE,SINGLE BLACK MARK AT 100 PSI ON OUTER EDGE,SINGLE BLACK MARK AT 50 PSI ON OUTER EDGE
•
CONNECTION TYPE: EXTERNAL
•
SCALE RANGE: +0.000 TO 100.000 POUNDS PRESSURE PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
SCALE ACCURACY1/2 OF 1 PERCENT OF FULL SCALE
SCALE NAMEPRESSURE
OVERALL DIAMETER4.125 INCHES NOMINAL IN
MOUNTING METHODBRACKET(S) AND STUD(S)
SCALE INSCRIPTION/BACKGROUND COLORWHITE BACKGROUND WITHOUT NUMBERS,SHADED GREEN BANDS AND RED LINES FROM CENTER TO OUTER EDGE,SHADED GREEN WITH MARK 38 PRINTED IN AREA FROM 54.3 TO 66.3 PSIG,SINGLE RED MARK AT 0.3 PSI,SINGLE BLACK MARK AT 10 PSI ON OUTER EDGE,SINGLE BLACK MARK AT 100 PSI ON OUTER EDGE,SINGLE BLACK MARK AT 50 PSI ON OUTER EDGE
CONNECTION TYPEEXTERNAL
SCALE RANGE+0.000 TO 100.000 POUNDS PRESSURE PER SQUARE INCH LBS
STUD LOCATIONBACK
POINTER TYPEINDICATING
SUBSTITUTES & CROSS-REFERENCES 2
2497173Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
410LReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HD404?
HD404 is a GAGE,PRESSURE,DIAL INDICATING manufactured by BRISTOL BABCOCK INC HELICOID INSTRUMENTS DIV.
What parts can replace HD404?
There are 2 known substitutes for HD404: 2497173, 410L. Substitute compatibility should be verified for your specific system.
What is the NSN for HD404?
HD404 is cataloged in the U.S. Government catalog under NSN 6685-00-482-8431. This indicates validated use in U.S. government and defense supply chains.
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