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Technical Data Sheet
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QDH5PL12M — QDH5PL12M

✓ Government record, cited
AIR SYSTEMS INTERNATIONAL, INC. (USED IN VA BY: AIR SYSTEMS, INC.) DBA AIR SYSTEMS INTERNATIONAL INC · HOSE FITTING
PRODUCT OVERVIEW

QDH5PL12M: QDH5PL12M.

The QDH5PL12M is a AIR SYSTEMS INTERNATIONAL, INC. (USED IN VA BY: AIR SYSTEMS, INC.) DBA AIR SYSTEMS INTERNATIONAL INC industrial component. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-457-4875, 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
QDH5PL12M
NSN: 4730-01-457-4875
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 42905 — AIR SYSTEMS INTERNATIONAL, INC. (USED IN VA BY: AIR SYSTEMS, INC.) DBA AIR SYSTEMS INTERNATIONAL INC (USA)
SPECIFICATIONS
Part NumberQDH5PL12M
ManufacturerAIR SYSTEMS INTERNATIONAL, INC. (USED IN VA BY: AIR SYSTEMS, INC.) DBA AIR SYSTEMS INTERNATIONAL INC
NSN4730-01-457-4875
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: QDH5PL12M · AIR SYSTEMS INTERNATIONAL, INC. (USED IN VA BY: AIR SYSTEMS, INC.) DBA AIR SYSTEMS INTERNATIONAL INC ⚠ 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
•
DRIVE END STYLE: RECESSED HEXAGON
•
NOMINAL THREAD SIZE: 0.750 INCHES EXTERNAL IN
•
THREAD SERIES DESIGNATOR: NPT EXTERNAL
TECHNICAL CHARACTERISTICS
DRIVE END STYLERECESSED HEXAGON
NOMINAL THREAD SIZE0.750 INCHES EXTERNAL IN
SPECIAL FEATURESWEAPONS COD=LOS ANGELES CLASS SSN(688)
END ITEM IDENTIFICATION4540-01-437-4226
THREAD SERIES DESIGNATORNPT EXTERNAL
SUBSTITUTES & CROSS-REFERENCES 2
BB100NNS26Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
BB100NNS26 ITEM 38Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is QDH5PL12M?
QDH5PL12M is a QDH5PL12M manufactured by AIR SYSTEMS INTERNATIONAL, INC. (USED IN VA BY: AIR SYSTEMS, INC.) DBA AIR SYSTEMS INTERNATIONAL INC.
What parts can replace QDH5PL12M?
There are 2 known substitutes for QDH5PL12M: BB100NNS26, BB100NNS26 ITEM 38. Substitute compatibility should be verified for your specific system.
What is the NSN for QDH5PL12M?
QDH5PL12M is cataloged in the U.S. Government catalog under NSN 4730-01-457-4875. 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.