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AS933 — ADAPTER,STRAIGHT,FLANGE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AS933: ADAPTER,STRAIGHT,FLANGE TO BOSS.

ADAPTER,STRAIGHT,FLANGE TO BOSS. Key specifications include material: ALUMINUM ALLOY 2024 BODY, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END, special_features: MATERIAL IS TYPE 2024-T6 ALUMINUM ALLOY BAR OR TYPE 2024-T851 ALUMINUM ALLOY BAR;, surface_treatment: ANODIZE BODY. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-043-2177, 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
AS933
NSN: 4730-00-043-2177
NIINs: 000432177, 000454869, 000520589, 000790556, 002342493, 004123466, 004859297, 008164793, 009645463, 009839635, 011465569, 011859464, 012835935, 015821092, 016585583, 016755486, 016989560, 017061222, 017061450, 017061459
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 BODY
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
special_featuresMATERIAL IS TYPE 2024-T6 ALUMINUM ALLOY BAR OR TYPE 2024-T851 ALUMINUM ALLOY BAR;
surface_treatmentANODIZE BODY
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.5625 INCHES ALL ENDS IN
nominal_overall_length1.206 INCHES IN
end_item_identificationFUEL AND ECS, FUSELAG
thread_quantity_per_inch18 ALL ENDS
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NSN4730-00-043-2177
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS933 · 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,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
•
NOMINAL OVERALL LENGTH: 1.906 INCHES IN
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 1.062 INCHES ALL ENDS IN
•
SEAT ANGLE: 37.0 DEGREES FIRST END
•
SPECIFICATION/STANDARD DATA: 96906-MS24487 GOVERNMENT STANDARD
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST END
NOMINAL OVERALL LENGTH1.906 INCHES IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES FIRST END IN
NOMINAL THREAD SIZE1.062 INCHES ALL ENDS IN
SEAT ANGLE37.0 DEGREES FIRST END
SPECIFICATION/STANDARD DATA96906-MS24487 GOVERNMENT STANDARD
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS3A ALL ENDS A
SUBSTITUTES & CROSS-REFERENCES 5
MS24487D12Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS933D12Reference document
Same NSN cross-reference
Reference document — Secondary reference
AN920D12Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS4875/1Reference document
Same NSN cross-reference
Reference document — Secondary reference
351531Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS933?
AS933 is a ADAPTER,STRAIGHT,FLANGE TO BOSS.
What parts can replace AS933?
There are 5 known substitutes for AS933: MS24487D12, AS933D12, AN920D12 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS933?
AS933 is cataloged in the U.S. Government catalog under NSN 4730-00-043-2177. This indicates validated use in U.S. government and defense supply chains.
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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.