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74573 PIECE 9 — STRAINER,SEDIMENT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

74573 PIECE 9: STRAINER,SEDIMENT.

The STRAINER,SEDIMENT is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY AND COPPER ALLOY BODY, special_features: RETAINER,MACHINE SCREW 1/4-20X5/16,LOCK WASHER 1/4 EXT, filtering_media_design: MESH SINGLE FILTERING MEDIA RESPONSE, material_document_and_classification: QQ-N-281,CLASS B FED SPEC SINGLE MATERIAL RESPONSE BODY. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-188-3773, 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
74573 PIECE 9
NSN: 4730-01-188-3773
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
materialNICKEL ALLOY AND COPPER ALLOY BODY
special_featuresRETAINER,MACHINE SCREW 1/4-20X5/16,LOCK WASHER 1/4 EXT
filtering_media_designMESH SINGLE FILTERING MEDIA RESPONSE
material_document_and_classificationQQ-N-281,CLASS B FED SPEC SINGLE MATERIAL RESPONSE BODY
NSN4730-01-188-3773
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 74573 PIECE 9 · 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: MESH SINGLE FILTERING MEDIA RESPONSE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,CLASS B FED SPEC SINGLE MATERIAL RESPONSE BODY
•
MATERIAL: NICKEL ALLOY AND COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
FILTERING MEDIA DESIGNMESH SINGLE FILTERING MEDIA RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CLASS B FED SPEC SINGLE MATERIAL RESPONSE BODY
SPECIAL FEATURESRETAINER,MACHINE SCREW 1/4-20X5/16,LOCK WASHER 1/4 EXT
MATERIALNICKEL ALLOY AND COPPER ALLOY BODY
SUBSTITUTES & CROSS-REFERENCES 2
74573Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
C3637Reference 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 74573 PIECE 9?
74573 PIECE 9 is a STRAINER,SEDIMENT.
What parts can replace 74573 PIECE 9?
There are 2 known substitutes for 74573 PIECE 9: 74573, C3637. Substitute compatibility should be verified for your specific system.
What is the NSN for 74573 PIECE 9?
74573 PIECE 9 is cataloged in the U.S. Government catalog under NSN 4730-01-188-3773. 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.