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1121387 — STRAINER ELEMENT,SEDIMENT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

1121387: STRAINER ELEMENT,SEDIMENT.

The STRAINER ELEMENT,SEDIMENT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_width: 0.1875 INCHES NOMINAL IN, overall_length: 0.750 INCHES NOMINAL IN, special_features: ALSO CALLED RETAINING PIN, end_item_identification: CHAMPION FIRE PUMP P-100 MODEL 2BE10YDN, thread_size_and_series/type_designator: 0.3125-24 UNF. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-432-0171, 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
1121387
NSN: 4730-01-432-0171
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 15852 — W S DARLEY & CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_width0.1875 INCHES NOMINAL IN
overall_length0.750 INCHES NOMINAL IN
special_featuresALSO CALLED RETAINING PIN
end_item_identificationCHAMPION FIRE PUMP P-100 MODEL 2BE10YDN
thread_size_and_series/type_designator0.3125-24 UNF
NSN4730-01-432-0171
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1121387 · 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
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
B229 REP NO.11Reference document
Same NSN cross-reference
Reference document — Secondary reference
G587-87Reference document
Same NSN cross-reference
Reference document — Secondary reference
B229Reference 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 1121387?
1121387 is a STRAINER ELEMENT,SEDIMENT.
What parts can replace 1121387?
There are 3 known substitutes for 1121387: B229 REP NO.11, G587-87, B229. Substitute compatibility should be verified for your specific system.
What is the NSN for 1121387?
1121387 is cataloged in the U.S. Government catalog under NSN 4730-01-432-0171. 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.