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Technical Data Sheet

56-249 — Technical Data Sheet

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Tactic · 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

This product is made in Finland, at Tactic Games' own responsible factory. Our own production ensures the traceability of all materials, and we were awarded the FSC certificate in 2021. We also monitor our carbon footprint closely.

This part is cataloged in the Federal Logistics Information System under NSN 4730-00-196-1464, 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
56-249
NSN: 4730-00-196-1464
FSC: 4730
CAGE: 96046 — CRANE PUMPS & SYSTEMS PFT CORP DIV CRANE PUMPS & SYSTEM PFT CORP. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,GROUND BOTH ENDS
coil_quantity3-1/2
inside_diameter0.891 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentTIN OVERALL
spring_free_length0.500 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter1.043 INCHES NOMINAL IN
NSN4730-00-196-1464
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 56-249 · Tactic ⚠ 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
•
SPECIFICATION/STANDARD DATA: 81346-ASTM A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
NOMINAL OVERALL LENGTH: 0.750 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL THREAD SIZE: 0.125 INCHES ALL ENDS IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESGRUMMAN AEROSPACE A-10 AIRCRAFT
SPECIFICATION/STANDARD DATA81346-ASTM A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NOMINAL OVERALL LENGTH0.750 INCHES IN
SPECIAL FEATURESGRUMMAN AEROSPACE A-10 AIRCRAFT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS IN
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
192032InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2254-4 PIECE 98InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
501357InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-S-25879InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-25879InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SA-521A/A W/O MTGInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56-249?
56-249 is a RETAINER,FELT manufactured by Tactic.
What parts can replace 56-249?
There are 16 known substitutes for 56-249: 192032, 2254-4 PIECE 98, 501357 and 13 more. Substitute compatibility should be verified for your specific system.
Is 56-249 still available?
56-249 is currently cancelled.
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