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128HM10003 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

128HM10003: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, thread_class: 3B SECOND END, connection_type: UNTHREADED INTERNAL TUBE FIRST END, connection_style: GASKET SEAL (BOSS) SECOND END, nominal_thread_size: 1.313 INCHES SECOND END IN, nominal_overall_length: 0.750 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-972-3319, 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
128HM10003
NSN: 4730-00-972-3319
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
thread_class3B SECOND END
connection_typeUNTHREADED INTERNAL TUBE FIRST END
connection_styleGASKET SEAL (BOSS) SECOND END
nominal_thread_size1.313 INCHES SECOND END IN
nominal_overall_length0.750 INCHES IN
thread_quantity_per_inch3B SECOND END
thread_series_designatorUN SECOND END
material_document_and_classificationQQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated1.500 INCHES FIRST END IN
NSN4730-00-972-3319
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 128HM10003 · 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
•
CONNECTION STYLE: SOCKET W/ FLARE (TUBE) FIRST END
•
NOMINAL OVERALL LENGTH: 0.750 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.500 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 1.313 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLESOCKET W/ FLARE (TUBE) FIRST END
CONNECTION STYLEGASKET SEAL (BOSS) SECOND END
NOMINAL OVERALL LENGTH0.750 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.500 INCHES FIRST END IN
NOMINAL THREAD SIZE1.313 INCHES SECOND END IN
THREAD CLASS3B SECOND END
THREAD QUANTITY PER INCH3B SECOND 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 1
128HM10003-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 128HM10003?
128HM10003 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 128HM10003?
There is 1 known substitute for 128HM10003: 128HM10003-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 128HM10003?
128HM10003 is cataloged in the U.S. Government catalog under NSN 4730-00-972-3319. This indicates validated use in U.S. government and defense supply chains.
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