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Technical Data Sheet

B1SW2-1/2SCREEN ONLY — STRAINER ELEMENT,SEDIMENT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

B1SW2-1/2SCREEN ONLY: STRAINER ELEMENT,SEDIMENT.

The STRAINER ELEMENT,SEDIMENT is a the manufacturer industrial component. Key specifications include length: 5.438 INCHES NOMINAL IN, material: STEEL COMP 304, style_designator: CYLINDRICAL, perforation_diameter: 0.045 INCHES NOMINAL IN, perforation_quantity: 225.0 PER SQUARE INCH, filtering_media_design: PERFORATED. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-196-1388, 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
B1SW2-1/2SCREEN ONLY
NSN: 4730-01-196-1388
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 03933 — ARMSTRONG INTERNATIONAL INC DBA ARMSTRONG MACHINE WORKS (USA)
SPECIFICATIONS
length5.438 INCHES NOMINAL IN
materialSTEEL COMP 304
style_designatorCYLINDRICAL
perforation_diameter0.045 INCHES NOMINAL IN
perforation_quantity225.0 PER SQUARE INCH
filtering_media_designPERFORATED
element_outside_diameter3.188 INCHES NOMINAL IN
NSN4730-01-196-1388
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B1SW2-1/2SCREEN ONLY · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FILTERING MEDIA DESIGN: PERFORATED
•
LENGTH: 5.438 INCHES NOMINAL IN
•
PERFORATION QUANTITY: 225.0 PER SQUARE INCH
•
STYLE DESIGNATOR: CYLINDRICAL
•
ELEMENT OUTSIDE DIAMETER: 3.188 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 304
•
PERFORATION DIAMETER: 0.045 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FILTERING MEDIA DESIGNPERFORATED
LENGTH5.438 INCHES NOMINAL IN
PERFORATION QUANTITY225.0 PER SQUARE INCH
STYLE DESIGNATORCYLINDRICAL
ELEMENT OUTSIDE DIAMETER3.188 INCHES NOMINAL IN
MATERIALSTEEL COMP 304
PERFORATION DIAMETER0.045 INCHES NOMINAL IN
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 1
B1SW2-1/2INBSKTReference 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 B1SW2-1/2SCREEN ONLY?
B1SW2-1/2SCREEN ONLY is a STRAINER ELEMENT,SEDIMENT.
What parts can replace B1SW2-1/2SCREEN ONLY?
There is 1 known substitute for B1SW2-1/2SCREEN ONLY: B1SW2-1/2INBSKT. Substitute compatibility should be verified for your specific system.
What is the NSN for B1SW2-1/2SCREEN ONLY?
B1SW2-1/2SCREEN ONLY is cataloged in the U.S. Government catalog under NSN 4730-01-196-1388. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.