1741AS309-1 — BREATHER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

1741AS309-1: BREATHER.

The BREATHER is a the manufacturer industrial component. Key specifications include body_material: STEEL, overall_height: 2.240 INCHES NOMINAL IN, connection_type: THREADED, outside_diameter: 3.000 INCHES NOMINAL IN, special_features: PRESSURE RATING:5.0 LBS PER SQ IN.:SURFACE FINISH:COBALT ALLOY LBS, thread_size_and_series/type_designator: 3/4-14 NPT. This part is cataloged in the U.S.

Government catalog under NSN 2520-01-435-9266, 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

1741AS309-1

NSN: 2520-01-435-9266
FSC: 2520 — Vehicular Power Transmission Components
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

body_material	STEEL
overall_height	2.240 INCHES NOMINAL IN
connection_type	THREADED
outside_diameter	3.000 INCHES NOMINAL IN
special_features	PRESSURE RATING:5.0 LBS PER SQ IN.:SURFACE FINISH:COBALT ALLOY LBS
thread_size_and_series/type_designator	3/4-14 NPT
NSN	2520-01-435-9266

COMPONENT DIAGRAM

KEY FEATURES

•

OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN

•

CONNECTION TYPE: THREADED

•

BODY MATERIAL: STEEL

•

THREAD SIZE AND SERIES/TYPE DESIGNATOR: 3/4-14 NPT

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	2.240 INCHES NOMINAL IN
OUTSIDE DIAMETER	3.000 INCHES NOMINAL IN
CONNECTION TYPE	THREADED
BODY MATERIAL	STEEL
SPECIAL FEATURES	PRESSURE RATING:5.0 LBS PER SQ IN.:SURFACE FINISH:COBALT ALLOY LBS
THREAD SIZE AND SERIES/TYPE DESIGNATOR	3/4-14 NPT

OTHER ITEMS IN FSC 2520 — Vehicular Power Transmission Components

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

2520-00-000-3976 2520-00-000-8852 2520-00-000-9292 2520-00-001-0011 2520-00-001-3397 2520-00-001-3425 2520-00-001-3440 2520-00-001-3441

SUBSTITUTES & CROSS-REFERENCES 3

PBS-40-5-N12Reference document

Same NSN cross-reference

Reference document — Secondary reference

1741AS309Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

PBS-405Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1741AS309-1?

1741AS309-1 is a BREATHER.

What parts can replace 1741AS309-1?

There are 3 known substitutes for 1741AS309-1: PBS-40-5-N12, 1741AS309, PBS-405. Substitute compatibility should be verified for your specific system.

What is the NSN for 1741AS309-1?

1741AS309-1 is cataloged in the U.S. Government catalog under NSN 2520-01-435-9266. This indicates validated use in U.S. government and defense supply chains.

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