256299 PC 404 — ADAPTER,STRAIGHT,PIPE TO BOSS

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

256299 PC 404: ADAPTER,STRAIGHT,PIPE TO BOSS.

The ADAPTER,STRAIGHT,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_angle: 45.0 DEGREES SECOND END, nominal_length: 1.750 INCHES ALL ENDS IN, connection_type: UNTHREADED INTERNAL PIPE FIRST END, connection_style: SOCKET (PIPE) FIRST END, special_features: BOSS WILL BE INSTALLED LEAVING 3.000 IN MINIMUM FROM END OF PIPE IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-512-6376, 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

256299 PC 404

NSN: 4730-01-512-6376
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
seat_angle	45.0 DEGREES SECOND END
nominal_length	1.750 INCHES ALL ENDS IN
connection_type	UNTHREADED INTERNAL PIPE FIRST END
connection_style	SOCKET (PIPE) FIRST END
special_features	BOSS WILL BE INSTALLED LEAVING 3.000 IN MINIMUM FROM END OF PIPE IN
operating_pressure	1700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
recess_nominal_depth	0.625 INCHES FIRST END IN
maximum_operating_temp	100.0 FAHRENHEIT SINGLE RESPONSE DEGF
end_item_identification	668 FACTORY ITEMS, LOS ANGLES CLASS SSN (688)
media_for_which_designed	FLUID SINGLE RESPONSE
nominal_outside_diameter	1.531 INCHES FIRST END IN
NSN	4730-01-512-6376

COMPONENT DIAGRAM

KEY FEATURES

•

RECESS NOMINAL DEPTH: 0.625 INCHES FIRST END IN

•

NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES SECOND END IN

•

CONNECTION STYLE: SOCKET (PIPE) FIRST END

•

NOMINAL LENGTH: 1.750 INCHES ALL ENDS IN

•

CONNECTION TYPE: UNTHREADED INTERNAL PIPE FIRST END

TECHNICAL CHARACTERISTICS

RECESS NOMINAL DEPTH	0.625 INCHES FIRST END IN
NOMINAL PIPE SIZE ACCOMMODATED	0.750 INCHES SECOND END IN
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES FIRST END IN
CONNECTION STYLE	SOCKET (PIPE) FIRST END
CONNECTION STYLE	BEVELED (TUBE) SECOND END
NOMINAL LENGTH	1.750 INCHES ALL ENDS IN
CONNECTION TYPE	UNTHREADED INTERNAL PIPE FIRST END
CONNECTION TYPE	BUTT WELD PIPE SECOND END
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-C-15726F, GRADE II MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE	1700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008

SUBSTITUTES & CROSS-REFERENCES 2

256299 REV GReference document

Same NSN cross-reference

Reference document — Drawing number reference only

256229 PC 404Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 256299 PC 404?

256299 PC 404 is a ADAPTER,STRAIGHT,PIPE TO BOSS.

What parts can replace 256299 PC 404?

There are 2 known substitutes for 256299 PC 404: 256299 REV G, 256229 PC 404. Substitute compatibility should be verified for your specific system.

What is the NSN for 256299 PC 404?

256299 PC 404 is cataloged in the U.S. Government catalog under NSN 4730-01-512-6376. This indicates validated use in U.S. government and defense supply chains.

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