PartsTable
Technical Data Sheet

MIL-DTL-1183/5 — BRAZING ALLOY,SILVER

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

MIL-DTL-1183/5: BRAZING ALLOY,SILVER.

The BRAZING ALLOY,SILVER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flow_angle: 90.0 DEGREES, connection_type: UNTHREADED TUBE W/FORMED END ALL ENDS, connection_style: GROOVED (PIPE) ALL ENDS, media_for_which_designed: STEAM FIRST RESPONSE, nominal_pipe_size_accommodated: 0.250 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-278-0134, 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-DTL-1183/5
NSN: 4730-00-278-0134
NIINs: 002780134, 005425141, 005425142, 005425143, 005425144, 005425145, 005425146, 005425147, 005425148, 005425149, 005425151, 005425152, 005425153, 005425154, 005425155, 005425156, 005425157, 005425158, 005425159, 005425160, 005425161, 005425162, 005425164, 005425166, 005425169, 005425174, 005425220, 005425221, 005425222, 005425223, 005425224, 005425225, 005425226, 005425227, 005425228, 005425229, 005425230, 005425231, 005425232, 005425233, 005425237, 005425239, 005425240, 005425241, 013275221, 013303593, 016113927, 016115800, 016125779
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_angle90.0 DEGREES
connection_typeUNTHREADED TUBE W/FORMED END ALL ENDS
connection_styleGROOVED (PIPE) ALL ENDS
media_for_which_designedSTEAM FIRST RESPONSE
nominal_pipe_size_accommodated0.250 INCHES ALL ENDS IN
pipe_wall_thickness_designation_for_which_designedSTANDARD ALL ENDS
NSN4730-00-278-0134
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MIL-DTL-1183/5 · 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
•
FLOW ANGLE: 45.0 DEGREES
•
NOMINAL PIPE SIZE ACCOMMODATED: 6.000 INCHES ALL ENDS IN
•
CONNECTION STYLE: STREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
LEG LENGTH: 3.460 INCHES NOMINAL ALL ENDS IN
•
SPECIFICATION/STANDARD DATA: 81349-MIL-F-1183J GOVERNMENT SPECIFICATION
•
MAXIMUM OPERATING TEMP: 260.0 CELSIUS SINGLE RESPONSE DEGC
TECHNICAL CHARACTERISTICS
FLOW ANGLE45.0 DEGREES
NOMINAL PIPE SIZE ACCOMMODATED6.000 INCHES ALL ENDS IN
CONNECTION STYLESTREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
LEG LENGTH3.460 INCHES NOMINAL ALL ENDS IN
SPECIFICATION/STANDARD DATA81349-MIL-F-1183J GOVERNMENT SPECIFICATION
MAXIMUM OPERATING TEMP260.0 CELSIUS SINGLE RESPONSE DEGC
NONDEFINITIVE SPEC/STD DATA1 FIGURE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
SUBSTITUTES & CROSS-REFERENCES 4
CS4730-0120A31GLPQReference document
Same NSN cross-reference
Reference document — Secondary reference
M1183/5-34ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MIL-F-1183/5Reference document
Same NSN cross-reference
Reference document — Secondary reference
3607-6Reference 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 MIL-DTL-1183/5?
MIL-DTL-1183/5 is a BRAZING ALLOY,SILVER.
What parts can replace MIL-DTL-1183/5?
There are 4 known substitutes for MIL-DTL-1183/5: CS4730-0120A31GLPQ, M1183/5-34A, MIL-F-1183/5 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-1183/5?
MIL-DTL-1183/5 is cataloged in the U.S. Government catalog under NSN 4730-00-278-0134. 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.