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7777005-101 — ELBOW,BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

7777005-101: ELBOW,BOSS.

The ELBOW,BOSS is a the manufacturer industrial component. Key specifications include flow_angle: 90.0 DEGREES, leg_length: 5.615 INCHES MINIMUM AND 5.635 INCHES MAXIMUM ALL ENDS IN, thread_class: 2B FIRST END, connection_type: THREADED INTERNAL BOSS FIRST END, connection_style: GASKET SEAL (BOSS) FIRST END, surface_treatment: ANODIZE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-075-9571, 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
7777005-101
NSN: 4730-01-075-9571
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 3H889 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS (USA)
SPECIFICATIONS
flow_angle90.0 DEGREES
leg_length5.615 INCHES MINIMUM AND 5.635 INCHES MAXIMUM ALL ENDS IN
thread_class2B FIRST END
connection_typeTHREADED INTERNAL BOSS FIRST END
connection_styleGASKET SEAL (BOSS) FIRST END
surface_treatmentANODIZE OVERALL
nominal_thread_size4.250 INCHES FIRST END IN
thread_quantity_per_inch12 FIRST END
thread_series_designatorUN FIRST END
NSN4730-01-075-9571
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7777005-101 · 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
•
FLOW ANGLE: 90.0 DEGREES
•
CONNECTION STYLE: GASKET SEAL (BOSS) FIRST END
•
CONNECTION TYPE: THREADED INTERNAL BOSS FIRST END
•
LEG LENGTH: 5.615 INCHES MINIMUM AND 5.635 INCHES MAXIMUM ALL ENDS IN
•
NOMINAL THREAD SIZE: 4.250 INCHES FIRST END IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
THREAD CLASS: 2B FIRST END
•
THREAD QUANTITY PER INCH: 12 FIRST END
TECHNICAL CHARACTERISTICS
FLOW ANGLE90.0 DEGREES
CONNECTION STYLEGASKET SEAL (BOSS) FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS FIRST END
LEG LENGTH5.615 INCHES MINIMUM AND 5.635 INCHES MAXIMUM ALL ENDS IN
NOMINAL THREAD SIZE4.250 INCHES FIRST END IN
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS2B FIRST END
THREAD QUANTITY PER INCH12 FIRST END
THREAD SERIES DESIGNATORUN FIRST END
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7777005-101?
7777005-101 is a ELBOW,BOSS.
What is the NSN for 7777005-101?
7777005-101 is cataloged in the U.S. Government catalog under NSN 4730-01-075-9571. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.