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AE99304K — COUPLING HALF,SELF-SEALING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AE99304K: COUPLING HALF,SELF-SEALING.

The COUPLING HALF,SELF-SEALING is a the manufacturer industrial component. Key specifications include material: ALUMINUM BODY, seat_angle: 37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED, thread_class: 3A ALL ENDS A, nominal_width: 1.850 INCHES IN, nominal_length: 1.850 INCHES IN, overall_length: 3.435 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-044-6756, 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
AE99304K
NSN: 4730-01-044-6756
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
materialALUMINUM BODY
seat_angle37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
thread_class3A ALL ENDS A
nominal_width1.850 INCHES IN
nominal_length1.850 INCHES IN
overall_length3.435 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN
connection_typeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
connection_styleFLARED ALL ENDS
style_designatorMALE COUPLING HALF
basic_shape_styleRECTANGULAR MOUNTING FLANGE
features_providedSELF-SEALING
nominal_thickness0.500 INCHES IN
NSN4730-01-044-6756
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AE99304K · 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 MIL SPEC SINGLE TREATMENT RESPONSE BODY
•
CONNECTION STYLE: FLARED ALL ENDS
•
NOMINAL LENGTH: 1.850 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE BODY
•
BOLT HOLE NOMINAL DIAMETER: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY
CONNECTION STYLEFLARED ALL ENDS
NOMINAL LENGTH1.850 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
STYLE DESIGNATORMALE COUPLING HALF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE BODY
OVERALL LENGTH3.435 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN
BOLT HOLE NOMINAL DIAMETER0.190 INCHES IN
OPERATING PRESSURE75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MOUNTING FLANGE LOCATIONSECOND LEG
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
209-063-524-1Same 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 AE99304K?
AE99304K is a COUPLING HALF,SELF-SEALING.
What parts can replace AE99304K?
There is 1 known substitute for AE99304K: 209-063-524-1. Substitute compatibility should be verified for your specific system.
What is the NSN for AE99304K?
AE99304K is cataloged in the U.S. Government catalog under NSN 4730-01-044-6756. 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.