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Technical Data Sheet
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300126-101 — Technical Data Sheet

✓ Government record, cited
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, flange_diameter: 5.060 INCHES NOMINAL IN, special_features: FURNISHED WITH SELF LOCKING SETSCREW IN NECK, style_designator: ROUND, ONE BOLT HOLE CIRCLE, flange_section_style: PLAIN FACE, SOCKET NECK, criticality_code_justification: ZZZY. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-142-8753, 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
300126-101
NSN: 4730-01-142-8753
NIINs: 011428753, 013670145
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 27826 — EDWARDS AEROSPACE INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
flange_diameter5.060 INCHES NOMINAL IN
special_featuresFURNISHED WITH SELF LOCKING SETSCREW IN NECK
style_designatorROUND, ONE BOLT HOLE CIRCLE
flange_section_stylePLAIN FACE, SOCKET NECK
criticality_code_justificationZZZY
material_document_and_classificationMIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE
reference_number_differentiating_characteristicsQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL FOR LEVEL 1
NSN4730-01-142-8753
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 300126-101 · 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
•
FLANGE DIAMETER: 5.060 INCHES NOMINAL IN
•
FLANGE SECTION STYLE: PLAIN FACE, SOCKET NECK
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: COPPER ALLOY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL FOR LEVEL 1
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER5.060 INCHES NOMINAL IN
FLANGE SECTION STYLEPLAIN FACE, SOCKET NECK
CRITICALITY CODE JUSTIFICATIONZZZY
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE
SPECIAL FEATURESFURNISHED WITH SELF LOCKING SETSCREW IN NECK
MATERIALCOPPER ALLOY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL FOR LEVEL 1
SUBSTITUTES & CROSS-REFERENCES 4
300126Possible match (shared part number)
Possible match (shared part number)
Possible match (shared part number)
300103 ITEM 3L1Reference document
Same NSN cross-reference
Reference document — Secondary reference
300126-101L1Reference document
Same NSN cross-reference
Reference document — Secondary reference
300103 ITEM 3Reference document
Same NSN cross-reference
Reference document — Secondary 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 300126-101?
300126-101 is a FLANGE,PIPE.
What parts can replace 300126-101?
There are 4 known substitutes for 300126-101: 300126, 300103 ITEM 3L1, 300126-101L1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 300126-101?
300126-101 is cataloged in the U.S. Government catalog under NSN 4730-01-142-8753. 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.