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226591 — CONNECTOR,RECEPTACLE,ELECTRICAL

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

226591: CONNECTOR,RECEPTACLE,ELECTRICAL.

CONNECTOR,RECEPTACLE,ELECTRICAL. This part is cataloged in the U.S. Government catalog under NSN 4730-00-397-3122, 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
226591
NSN: 4730-00-397-3122
NIINs: 003973122, 009622629, 015287820, 015898196, 016576124
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 67049 — YOUNG TOUCHSTONE COMPANY DIV YOUNG TOUCHSTONE (USA)
SPECIFICATIONS
special_featuresDESKTOP LABEL MAKER WITH COMPUTER STYLE (QWERTY) KEYBOARD; CREATES LABELS WITH 7 FONT SIZES, 3 FONT STYLES, AND 7 TEXT STYLES; MACHINE IS SILVER
supplementary_featuresINCLUDES LABEL MAKER; STARTER LABEL CASSETTE, LABELS ARE BLACK ON WHITE 3/4 INCH X 10 FT; RECHARGEABLE LITHIUM-ION BATTERY; DUST COVER; CLEANING CLOTH; STORAGE BAG; AND QUICK REFERENCE GUIDE IN
NSN4730-00-397-3122
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 226591 · 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
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BODY CORE DIAMETER: 0.281 INCHES NOMINAL IN
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NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
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CONNECTION STYLE: PLAIN
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CORE DEPTH: 0.406 INCHES NOMINAL IN
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DRIVE END STYLE: HEXAGON
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THREAD DIRECTION: RIGHT-HAND EXTERNAL
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NOMINAL THREAD SIZE: 0.562 INCHES EXTERNAL IN
•
BODY TYPE: CORED
TECHNICAL CHARACTERISTICS
BODY CORE DIAMETER0.281 INCHES NOMINAL IN
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.500 INCHES IN
CONNECTION STYLEPLAIN
CORE DEPTH0.406 INCHES NOMINAL IN
DRIVE END STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND EXTERNAL
NOMINAL THREAD SIZE0.562 INCHES EXTERNAL IN
BODY TYPECORED
THREAD QUANTITY PER INCH18 EXTERNAL
MATERIALCOPPER OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 226591?
226591 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What is the NSN for 226591?
226591 is cataloged in the U.S. Government catalog under NSN 4730-00-397-3122. 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.