PartsTable
Technical Data Sheet

RG31-R0072770/1 — UNION,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

RG31-R0072770/1: UNION,TUBE.

The UNION,TUBE is a the manufacturer industrial component. Key specifications include coupling_flange_shape: HEXAGON, nominal_overall_length: 74.0 MILLIMETERS MM, end_item_identification: 2355-20-001-9922 CAR, ARMORED, MINE DISPOSAL, part_name_assigned_by_controlling_agency: PIPE TEE - REDUCER RH AIR RESERVOIR ASSY. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-554-8624, 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
RG31-R0072770/1
NSN: 4730-01-554-8624
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: SBB75 — CAMAWA MANUFACTURER AND IMPORTER T/ATITANS DEVELOPMENT (ZAF)
SPECIFICATIONS
coupling_flange_shapeHEXAGON
nominal_overall_length74.0 MILLIMETERS MM
end_item_identification2355-20-001-9922 CAR, ARMORED, MINE DISPOSAL
part_name_assigned_by_controlling_agencyPIPE TEE - REDUCER RH AIR RESERVOIR ASSY
NSN4730-01-554-8624
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: RG31-R0072770/1 · 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
•
COUPLING FLANGE SHAPE: HEXAGON
•
NOMINAL OVERALL LENGTH: 74.0 MILLIMETERS MM
TECHNICAL CHARACTERISTICS
COUPLING FLANGE SHAPEHEXAGON
NOMINAL OVERALL LENGTH74.0 MILLIMETERS MM
PART NAME ASSIGNED BY CONTROLLING AGENCYPIPE TEE - REDUCER RH AIR RESERVOIR ASSY
END ITEM IDENTIFICATION2355-20-001-9922 CAR, ARMORED, MINE DISPOSAL
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
R0072770Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 RG31-R0072770/1?
RG31-R0072770/1 is a UNION,TUBE.
What parts can replace RG31-R0072770/1?
There is 1 known substitute for RG31-R0072770/1: R0072770. Substitute compatibility should be verified for your specific system.
What is the NSN for RG31-R0072770/1?
RG31-R0072770/1 is cataloged in the U.S. Government catalog under NSN 4730-01-554-8624. 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.