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172997 — STRAINER ELEMENT,SEDIMENT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

172997: STRAINER ELEMENT,SEDIMENT.

The STRAINER ELEMENT,SEDIMENT is a the manufacturer industrial component. Key specifications include end_item_identification: BOEING 727. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-118-3839, 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
172997
NSN: 4730-00-118-3839
NIINs: 001183839, 006542823
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 90005 — PUROLATOR FACET INC. DIV PARKER AEROSPACE FILTRATION DIVISION DBA PUROLATOR FACET, IN (USA)
SPECIFICATIONS
end_item_identificationBOEING 727
NSN4730-00-118-3839
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 172997 · 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
•
LENGTH: 1.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
ELEMENT OUTSIDE DIAMETER: 4.900 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH1.750 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
ELEMENT OUTSIDE DIAMETER4.900 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
698878-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 172997?
172997 is a STRAINER ELEMENT,SEDIMENT.
What parts can replace 172997?
There is 1 known substitute for 172997: 698878-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 172997?
172997 is cataloged in the U.S. Government catalog under NSN 4730-00-118-3839. 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.