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PartsTable / COMPONENT / MIL-F-1183FIG18
MIL-F-1183FIG18 ✓ Verified by PartsTable
— · 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 PLUG,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922 OVERALL, body_type: CORED, head_type: SOLID, drive_end_style: RAISED SQUARE, connection_style: SOCKET, nondefinitive_spec/std_data: 04 SIZE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-2990, 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
MIL-F-1183FIG18
NSN: 4730-00-278-2990
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY 922 OVERALL
body_typeCORED
head_typeSOLID
drive_end_styleRAISED SQUARE
connection_styleSOCKET
nondefinitive_spec/std_data04 SIZE
specification/standard_data81349-MIL-F-1183 GOVERNMENT SPECIFICATION
material_document_and_classificationQQ-C-390 FED SPEC 1ST MATERIAL RESPONSE OR ASTM-B61 ASSN STD 2ND MATERIAL RESPONSE OR ASTM-B62 ASSN STD 3RD MATERIAL RESPONSE OVERALL
nominal_pipe_size_for_which_designed0.750 INCHES IN
NSN4730-00-278-2990
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MIL-F-1183FIG18 · 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
•
HEAD TYPE: SOLID
•
NONDEFINITIVE SPEC/STD DATA: 04 SIZE
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.750 INCHES IN
•
MATERIAL: COPPER ALLOY 922 OVERALL
•
CONNECTION STYLE: SOCKET
•
BODY TYPE: CORED
•
DRIVE END STYLE: RAISED SQUARE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC 1ST MATERIAL RESPONSE OR ASTM-B61 ASSN STD 2ND MATERIAL RESPONSE OR ASTM-B62 ASSN STD 3RD MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HEAD TYPESOLID
NONDEFINITIVE SPEC/STD DATA04 SIZE
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.750 INCHES IN
MATERIALCOPPER ALLOY 922 OVERALL
CONNECTION STYLESOCKET
BODY TYPECORED
DRIVE END STYLERAISED SQUARE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC 1ST MATERIAL RESPONSE OR ASTM-B61 ASSN STD 2ND MATERIAL RESPONSE OR ASTM-B62 ASSN STD 3RD MATERIAL RESPONSE OVERALL
SPECIFICATION/STANDARD DATA81349-MIL-F-1183 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MIL-DTL-1183/7Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-1183Interchangeable
interchangeable cross-reference
interchangeable
M1183/7-03Interchangeable
interchangeable cross-reference
interchangeable
M1183/7-01Interchangeable
interchangeable cross-reference
interchangeable
00699067512610Interchangeable
interchangeable cross-reference
interchangeable
550-250-18-267Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-F-1183FIG18?
MIL-F-1183FIG18 is a PLUG,PIPE.
What parts can replace MIL-F-1183FIG18?
There are 18 known substitutes for MIL-F-1183FIG18: MIL-DTL-1183/7, MIL-F-1183, M1183/7-03 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-F-1183FIG18?
MIL-F-1183FIG18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-2990. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026