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528-1246 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

528-1246: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include seat_type: BEVELED, nominal_length: 45.5 MILLIMETERS ALL ENDS MM, special_features: ONE END SHOWS MEASUREMENT 1 3/16-12, nominal_outside_diameter: 36.0 MILLIMETERS CENTER BULKHEAD MM, part_name_assigned_by_controlling_agency: ADAPTER. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-706-5879, 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
528-1246
NSN: 4730-01-706-5879
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
seat_typeBEVELED
nominal_length45.5 MILLIMETERS ALL ENDS MM
special_featuresONE END SHOWS MEASUREMENT 1 3/16-12
nominal_outside_diameter36.0 MILLIMETERS CENTER BULKHEAD MM
part_name_assigned_by_controlling_agencyADAPTER
NSN4730-01-706-5879
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 528-1246 · 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
•
NOMINAL LENGTH: 45.5 MILLIMETERS ALL ENDS MM
•
SEAT TYPE: BEVELED
•
NOMINAL OUTSIDE DIAMETER: 36.0 MILLIMETERS CENTER BULKHEAD MM
TECHNICAL CHARACTERISTICS
NOMINAL LENGTH45.5 MILLIMETERS ALL ENDS MM
SEAT TYPEBEVELED
NOMINAL OUTSIDE DIAMETER36.0 MILLIMETERS CENTER BULKHEAD MM
SPECIAL FEATURESONE END SHOWS MEASUREMENT 1 3/16-12
PART NAME ASSIGNED BY CONTROLLING AGENCYADAPTER
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
A00987Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 528-1246?
528-1246 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 528-1246?
There is 1 known substitute for 528-1246: A00987. Substitute compatibility should be verified for your specific system.
What is the NSN for 528-1246?
528-1246 is cataloged in the U.S. Government catalog under NSN 4730-01-706-5879. 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.