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Technical Data Sheet
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SR55 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The STRAINER ELEMENT,SEDIMENT is a the manufacturer industrial component. Key specifications include bearings: NOT INCLUDED, material: PLASTIC POLYAMIDE NYLON OVERALL, bore_type: STRAIGHT, face_width: 2.248 INCHES NOMINAL IN, bore_length: 3.310 INCHES NOMINAL IN, design_form: PLAIN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-893-6402, 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
SR55
NSN: 4730-00-893-6402
FSC: 4730
CAGE: 12658 — BALDWIN FILTERS (USA)
SPECIFICATIONS
bearingsNOT INCLUDED
materialPLASTIC POLYAMIDE NYLON OVERALL
bore_typeSTRAIGHT
face_width2.248 INCHES NOMINAL IN
bore_length3.310 INCHES NOMINAL IN
design_formPLAIN
bore_featureINCLUDED
groove_depth1.532 INCHES NOMINAL IN
groove_shapeV
groove_width0.875 INCHES NOMINAL IN
bore_diameter6.462 INCHES NOMINAL IN
hole_locationSPACED 120 DEG APART ON 13.750 BOLT CIRCLE
NSN4730-00-893-6402
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: SR55 · 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
•
END CONNECTION TYPE: PLAIN ALL ENDS
•
STYLE DESIGNATOR: CYLINDRICAL
•
ELEMENT OUTSIDE DIAMETER: 1.474 INCHES MINIMUM AND 1.526 INCHES MAXIMUM IN
•
LENGTH: 1.401 INCHES MINIMUM AND 1.437 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONENGINE FUEL SYSTEM
SPECIAL FEATURESSUPPORTS GRUMMAN A10 AIRCRAFT
END CONNECTION TYPEPLAIN ALL ENDS
STYLE DESIGNATORCYLINDRICAL
ELEMENT OUTSIDE DIAMETER1.474 INCHES MINIMUM AND 1.526 INCHES MAXIMUM IN
LENGTH1.401 INCHES MINIMUM AND 1.437 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
376-1008P2Interchangeable
interchangeable cross-reference
interchangeable
85274Interchangeable
interchangeable cross-reference
interchangeable
1025Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-95Interchangeable
interchangeable cross-reference
interchangeable
S455Interchangeable
interchangeable cross-reference
interchangeable
479135Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SR55?
SR55 is a STRAINER ELEMENT,SEDIMENT.
What parts can replace SR55?
There are 20 known substitutes for SR55: 376-1008P2, 85274, 1025 and 17 more. Substitute compatibility should be verified for your specific system.
Is SR55 still available?
SR55 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026