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11A7053 ✓ 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 FITTING,LUBRICATION is a the manufacturer industrial component. Key specifications include height: 0.812 INCHES NOMINAL IN, material: STEEL OVERALL, shank_length: 0.266 INCHES NOMINAL IN, special_features: 03N SHIP, B. FRANKLIN CLASS SSBN (POSEIDON), style_designator: STRAIGHT, surface_treatment: ZINC OVERALL.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-506-1610, 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
11A7053
NSN: 4730-00-506-1610
FSC: 4730
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
height0.812 INCHES NOMINAL IN
materialSTEEL OVERALL
shank_length0.266 INCHES NOMINAL IN
special_features03N SHIP, B. FRANKLIN CLASS SSBN (POSEIDON)
style_designatorSTRAIGHT
surface_treatmentZINC OVERALL
width_across_flats0.438 INCHES NOMINAL IN
nominal_thread_size0.125 INCHES IN
pressure_relief_methodPORT SIDE
thread_quantity_per_inch27
screw_thread_series_designatorPTF-SPL SHORT
NSN4730-00-506-1610
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 11A7053 · 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
•
SCREW THREAD SERIES DESIGNATOR: PTF-SPL SHORT
•
HEIGHT: 0.812 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT
•
PRESSURE RELIEF METHOD: PORT SIDE
•
MATERIAL: STEEL OVERALL
•
WIDTH ACROSS FLATS: 0.438 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.125 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
SCREW THREAD SERIES DESIGNATORPTF-SPL SHORT
HEIGHT0.812 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT
PRESSURE RELIEF METHODPORT SIDE
MATERIALSTEEL OVERALL
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.125 INCHES IN
SPECIAL FEATURES03N SHIP, B. FRANKLIN CLASS SSBN (POSEIDON)
THREAD QUANTITY PER INCH27
SURFACE TREATMENTZINC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
1988Interchangeable
interchangeable cross-reference
interchangeable
M970-7Interchangeable
interchangeable cross-reference
interchangeable
1761-07Interchangeable
interchangeable cross-reference
interchangeable
72518Interchangeable
interchangeable cross-reference
interchangeable
3935AInterchangeable
interchangeable cross-reference
interchangeable
SK205-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11A7053?
11A7053 is a FITTING,LUBRICATION.
What parts can replace 11A7053?
There are 24 known substitutes for 11A7053: 1988, M970-7, 1761-07 and 21 more. Substitute compatibility should be verified for your specific system.
Is 11A7053 still available?
11A7053 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