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EPA21A00-151 — BOLT,FLUID PASSAGE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

EPA21A00-151: BOLT,FLUID PASSAGE.

The BOLT,FLUID PASSAGE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, hardness_rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM, special_features: MONEL; COLD DRAWN AND AGE HARDENED, first_end_thread_class: 3A A, first_end_thread_length: 0.625 INCHES NOMINAL IN, cotter_pin_hole_diameter: 0.187 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-005-3387, 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
EPA21A00-151
NSN: 4730-01-005-3387
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: F3014 — NAVAL GROUP SITE DE BREST (FRA)
SPECIFICATIONS
materialNICKEL ALLOY
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
special_featuresMONEL; COLD DRAWN AND AGE HARDENED
first_end_thread_class3A A
first_end_thread_length0.625 INCHES NOMINAL IN
cotter_pin_hole_diameter0.187 INCHES NOMINAL IN
minimum_tensile_strength150000 POUNDS PER SQUARE INCH LBS
first_end_connection_typeTHREADED EXTERNAL TUBE
first_end_thread_directionRIGHT-HAND
first_end_nominal_thread_size2.000 INCHES IN
first_end_thread_quantity_per_inch16
first_end_thread_series_designatorUN
NSN4730-01-005-3387
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: EPA21A00-151 · 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
•
FIRST END THREAD SERIES DESIGNATOR: UN
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
FIRST END THREAD CLASS: 3A A
•
COTTER PIN HOLE DIAMETER: 0.187 INCHES NOMINAL IN
•
FIRST END THREAD QUANTITY PER INCH: 16
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
•
FIRST END THREAD LENGTH: 0.625 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286,CLASS A,FORM 2 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
FIRST END THREAD SERIES DESIGNATORUN
FIRST END THREAD DIRECTIONRIGHT-HAND
FIRST END THREAD CLASS3A A
COTTER PIN HOLE DIAMETER0.187 INCHES NOMINAL IN
FIRST END THREAD QUANTITY PER INCH16
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
FIRST END THREAD LENGTH0.625 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286,CLASS A,FORM 2 FED SPEC SINGLE MATERIAL RESPONSE
FIRST END CONNECTION TYPETHREADED EXTERNAL TUBE
DISTANCE FROM BOLT END TO HOLE CENTER0.312 INCHES NOMINAL IN
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 1
517732-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is EPA21A00-151?
EPA21A00-151 is a BOLT,FLUID PASSAGE.
What parts can replace EPA21A00-151?
There is 1 known substitute for EPA21A00-151: 517732-1. Substitute compatibility should be verified for your specific system.
What is the NSN for EPA21A00-151?
EPA21A00-151 is cataloged in the U.S. Government catalog under NSN 4730-01-005-3387. This indicates validated use in U.S. government and defense supply chains.
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