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6-57636 — BOLT,FLUID PASSAGE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

6-57636: BOLT,FLUID PASSAGE.

The BOLT,FLUID PASSAGE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 8740, hardness_rating: 36.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM, surface_treatment: SILVER, first_end_thread_class: 3A A, first_end_thread_length: 0.370 INCHES NOMINAL IN, first_end_thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-308-6364, 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
6-57636
NSN: 4730-00-308-6364
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 8740
hardness_rating36.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM
surface_treatmentSILVER
first_end_thread_class3A A
first_end_thread_length0.370 INCHES NOMINAL IN
first_end_thread_directionRIGHT-HAND
first_end_nominal_thread_size0.500 INCHES IN
first_end_thread_quantity_per_inch20
first_end_thread_series_designatorUNF
material_document_and_classificationMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE
NSN4730-00-308-6364
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6-57636 · 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: UNF
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
FIRST END THREAD CLASS: 3A A
•
FIRST END THREAD QUANTITY PER INCH: 20
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM
•
FIRST END THREAD LENGTH: 0.370 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE
•
SURFACE TREATMENT: SILVER
TECHNICAL CHARACTERISTICS
FIRST END THREAD SERIES DESIGNATORUNF
FIRST END THREAD DIRECTIONRIGHT-HAND
FIRST END THREAD CLASS3A A
FIRST END THREAD QUANTITY PER INCH20
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM
FIRST END THREAD LENGTH0.370 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE
SURFACE TREATMENTSILVER
MATERIALSTEEL COMP 4140 OR STEEL COMP 8740
FIRST END NOMINAL THREAD SIZE0.500 INCHES 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6-57636?
6-57636 is a BOLT,FLUID PASSAGE.
What is the NSN for 6-57636?
6-57636 is cataloged in the U.S. Government catalog under NSN 4730-00-308-6364. This indicates validated use in U.S. government and defense supply chains.
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