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7M1055-1 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

7M1055-1: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3B ALL ENDS, connection_type: THREADED INTERNAL TUBE FIRST END, connection_style: GASKET SEAL (BOSS) SECOND END, special_features: WEAPON SYSTEM ESSENTIAL;SHIELDED MILD DETONATING CORD (SMDC) TIPS UNION TO THIN LAYER EXPLOSIVE (TLX). This part is cataloged in the U.S.

Government catalog under NSN 4730-01-345-2574, 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
7M1055-1
NSN: 4730-01-345-2574
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class3B ALL ENDS
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleGASKET SEAL (BOSS) SECOND END
special_featuresWEAPON SYSTEM ESSENTIAL;SHIELDED MILD DETONATING CORD (SMDC) TIPS UNION TO THIN LAYER EXPLOSIVE (TLX)
surface_treatmentANODIZE OVERALL
nominal_thread_size0.438 INCHES ALL ENDS IN
nominal_overall_length1.320 INCHES IN
end_item_identificationEMERGENCY AIRCREW ESCAPE SYSTEM ON THE F/A-18 HORNET AIRCRAFT
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
criticality_code_justificationFEAT
NSN4730-01-345-2574
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7M1055-1 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY II,CL1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
NOMINAL OVERALL LENGTH: 1.320 INCHES IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
CONNECTION TYPE: THREADED INTERNAL BOSS SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY II,CL1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEGASKET SEAL (BOSS) SECOND END
NOMINAL OVERALL LENGTH1.320 INCHES IN
CRITICALITY CODE JUSTIFICATIONFEAT
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
REDUCED PASSAGE NOMINAL INSIDE DIAMETER0.228 INCHES ALL ENDS 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
7M1055Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 7M1055-1?
7M1055-1 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 7M1055-1?
There is 1 known substitute for 7M1055-1: 7M1055. Substitute compatibility should be verified for your specific system.
What is the NSN for 7M1055-1?
7M1055-1 is cataloged in the U.S. Government catalog under NSN 4730-01-345-2574. This indicates validated use in U.S. government and defense supply chains.
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