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Technical Data Sheet
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591-39 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
Hama · HOSE FITTING
PRODUCT OVERVIEW

591-39: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a Hama industrial component. Key specifications include end_item_identification: 3895-01-669-1345, part_name_assigned_by_controlling_agency: BATTERY HOLD DOWN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-122-4962, 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
591-39
NSN: 4730-00-122-4962
NIINs: 001224962, 014460300, 015254327, 016751976
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 91561 — PARKER HANNIFIN CORPORATION DBA QUICK COUPLING DIV DIV QUICK COUPLING DIVISION BRUNING OPERATION (USA)
SPECIFICATIONS
end_item_identification3895-01-669-1345
part_name_assigned_by_controlling_agencyBATTERY HOLD DOWN
NSN4730-00-122-4962
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 591-39 · Hama ⚠ 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: PLAIN ALL ENDS
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
QUICK DISCONNECT NOMINAL SIZE: 0.562 INCHES ALL ENDS IN
•
LEG LENGTH: 0.400 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
MAXIMUM OPERATING TEMP: 300.0 FAHRENHEIT SECOND RESPONSE DEGF
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
OVERALL LENGTH1.320 INCHES NOMINAL IN
QUICK DISCONNECT NOMINAL SIZE0.562 INCHES ALL ENDS IN
LEG LENGTH0.400 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MAXIMUM OPERATING TEMP300.0 FAHRENHEIT SECOND RESPONSE DEGF
MAXIMUM OPERATING TEMP300.0 FAHRENHEIT SINGLE RESPONSE DEGF
MAXIMUM OPERATING TEMP300.0 FAHRENHEIT FIRST RESPONSE DEGF
SURFACE TREATMENTCADMIUM OR ZINC BODY
SUBSTITUTES & CROSS-REFERENCES 4
10863220Reference document
Same NSN cross-reference
Reference document — Secondary reference
4730001224962Reference document
Same NSN cross-reference
Reference document — Informative reference only
10865915Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8906-055Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 591-39?
591-39 is a COUPLING HALF,QUICK DISCONNECT manufactured by Hama.
What parts can replace 591-39?
There are 4 known substitutes for 591-39: 10863220, 4730001224962, 10865915 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 591-39?
591-39 is cataloged in the U.S. Government catalog under NSN 4730-00-122-4962. 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.