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1-335-M21 — STRAINER,SEDIMENT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

1-335-M21: STRAINER,SEDIMENT.

The STRAINER,SEDIMENT is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY FILTERING MEDIUM, body_height: 27.125 INCHES NOMINAL IN, body_length: 13.750 INCHES NOMINAL IN, mounting_type: INLET CONNECTION AND OUTLET CONNECTION LINE, style_designator: STRAIGHT FLOW BASKET STRAINER W/BOLTED COVER, perforation_diameter: 0.438 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-450-1780, 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
1-335-M21
NSN: 4730-01-450-1780
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 09032 — TATE ANDALE, LLC (USA)
SPECIFICATIONS
materialNICKEL ALLOY FILTERING MEDIUM
body_height27.125 INCHES NOMINAL IN
body_length13.750 INCHES NOMINAL IN
mounting_typeINLET CONNECTION AND OUTLET CONNECTION LINE
style_designatorSTRAIGHT FLOW BASKET STRAINER W/BOLTED COVER
perforation_diameter0.438 INCHES NOMINAL IN
perforation_quantity29.0 PER SQUARE INCH
filtering_media_designPERFORATED SINGLE FILTERING MEDIA RESPONSE
media_for_which_designedANY ACCEPTABLE
first_intake_connection_typePLAIN FACE FLANGE TOP SIDE
first_intake_flange_face_stylePLAIN
first_intake_flange_shape_styleROUND W/UNTHREADED BOLT HOLES
NSN4730-01-450-1780
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1-335-M21 · 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 SINGLE FILTERING MEDIA RESPONSE
•
SECOND DISCHARGE FLANGE OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
DISTANCE FROM BOTTOM OF BODY TO CENTER OF INLET: 11.438 INCHES NOMINAL IN
•
FIRST INTAKE FLANGE OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
BODY HEIGHT: 27.125 INCHES NOMINAL IN
•
FIRST INTAKE CONNECTION TYPE: PLAIN FACE FLANGE TOP SIDE
•
PERFORATION QUANTITY: 29.0 PER SQUARE INCH
•
STYLE DESIGNATOR: STRAIGHT FLOW BASKET STRAINER W/BOLTED COVER
TECHNICAL CHARACTERISTICS
FILTERING MEDIA DESIGNPERFORATED SINGLE FILTERING MEDIA RESPONSE
SECOND DISCHARGE FLANGE OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
DISTANCE FROM BOTTOM OF BODY TO CENTER OF INLET11.438 INCHES NOMINAL IN
FIRST INTAKE FLANGE OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
BODY HEIGHT27.125 INCHES NOMINAL IN
FIRST INTAKE CONNECTION TYPEPLAIN FACE FLANGE TOP SIDE
PERFORATION QUANTITY29.0 PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT FLOW BASKET STRAINER W/BOLTED COVER
FIRST INTAKE FLANGE SHAPE STYLEROUND W/UNTHREADED BOLT HOLES
BODY LENGTH13.750 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 3
1S-15-150 3IN (Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1S-15F-150 3IN (7/16"PREF)Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1-335Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 1-335-M21?
1-335-M21 is a STRAINER,SEDIMENT.
What parts can replace 1-335-M21?
There are 3 known substitutes for 1-335-M21: 1S-15-150 3IN (, 1S-15F-150 3IN (7/16"PREF), 1-335. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-335-M21?
1-335-M21 is cataloged in the U.S. Government catalog under NSN 4730-01-450-1780. 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.