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M1183/10-50N1 — Technical Data Sheet

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— · 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 BRAZING ALLOY,SILVER is a the manufacturer industrial component. Key specifications include thread_class: 2B ALL ENDS, nominal_thread_size: 0.398 INCHES ALL ENDS IN, thread_quantity_per_inch: 16 ALL ENDS, nondefinitive_spec/std_data: 27 FIGURE, specification/standard_data: 81349-MIL-F-1183G GOVERNMENT SPECIFICATION G, material_document_and_classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BALL BEARING. This part is cataloged in the Federal Logistics Information System under NSN 4730-01-107-4164, 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
M1183/10-50N1
NSN: 4730-01-107-4164
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
thread_class2B ALL ENDS
nominal_thread_size0.398 INCHES ALL ENDS IN
thread_quantity_per_inch16 ALL ENDS
nondefinitive_spec/std_data27 FIGURE
specification/standard_data81349-MIL-F-1183G GOVERNMENT SPECIFICATION G
material_document_and_classificationQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BALL BEARING
NSN4730-01-107-4164
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M1183/10-50N1 · 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
•
SPECIFICATION/STANDARD DATA: 81349-MIL-F-1183G GOVERNMENT SPECIFICATION G
•
THREAD QUANTITY PER INCH: 16 ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BALL BEARING
•
NONDEFINITIVE SPEC/STD DATA: 27 FIGURE
•
NOMINAL THREAD SIZE: 0.398 INCHES ALL ENDS IN
•
THREAD CLASS: 2B ALL ENDS
TECHNICAL CHARACTERISTICS
SPECIFICATION/STANDARD DATA81349-MIL-F-1183G GOVERNMENT SPECIFICATION G
THREAD QUANTITY PER INCH16 ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BALL BEARING
NONDEFINITIVE SPEC/STD DATA27 FIGURE
NOMINAL THREAD SIZE0.398 INCHES ALL ENDS IN
THREAD CLASS2B ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
4699265F3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MILF1183CPL2-5IInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-F-1183InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CS4730-0121A04GLPQInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M1183/3-03GInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-1183/3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M1183/10-50N1?
M1183/10-50N1 is a BRAZING ALLOY,SILVER.
What parts can replace M1183/10-50N1?
There are 24 known substitutes for M1183/10-50N1: 4699265F3, MILF1183CPL2-5I, MIL-F-1183 and 21 more. Substitute compatibility should be verified for your specific system.
Is M1183/10-50N1 still available?
M1183/10-50N1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026