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537034-3 — BOLT,FLUID PASSAGE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

537034-3: BOLT,FLUID PASSAGE.

The BOLT,FLUID PASSAGE is a the manufacturer industrial component. Key specifications include material: STEEL, body_style: RELIEVED, overall_length: 5.560 INCHES NOMINAL IN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM, surface_treatment: CADMIUM, width_across_flats: 0.934 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-628-7971, 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
537034-3
NSN: 4730-00-628-7971
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL
body_styleRELIEVED
overall_length5.560 INCHES NOMINAL IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
surface_treatmentCADMIUM
width_across_flats0.934 INCHES NOMINAL IN
first_end_thread_class3A A
first_end_thread_length0.710 INCHES NOMINAL IN
wrenching_feature_styleHEXAGON
concentric_hole_diameter0.180 INCHES NOMINAL IN
wrenching_feature_height0.720 INCHES NOMINAL IN
first_end_thread_directionRIGHT-HAND
NSN4730-00-628-7971
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 537034-3 · 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
•
WIDTH ACROSS FLATS: 0.934 INCHES NOMINAL IN
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER: 0.180 INCHES NOMINAL IN
•
THIRD DIAMETER FROM WRENCHING FEATURE: 0.757 INCHES NOMINAL IN
•
BODY STYLE: RELIEVED
•
FIRST END THREAD CLASS: 3A A
•
FIRST END THREAD QUANTITY PER INCH: 16
TECHNICAL CHARACTERISTICS
FIRST END THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS0.934 INCHES NOMINAL IN
FIRST END THREAD DIRECTIONRIGHT-HAND
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER0.180 INCHES NOMINAL IN
THIRD DIAMETER FROM WRENCHING FEATURE0.757 INCHES NOMINAL IN
BODY STYLERELIEVED
FIRST END THREAD CLASS3A A
FIRST END THREAD QUANTITY PER INCH16
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF THIRD DIAMETER2.720 INCHES NOMINAL IN
SECOND DIAMETER FROM WRENCHING FEATURE0.665 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 537034-3?
537034-3 is a BOLT,FLUID PASSAGE.
What is the NSN for 537034-3?
537034-3 is cataloged in the U.S. Government catalog under NSN 4730-00-628-7971. This indicates validated use in U.S. government and defense supply chains.
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