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5157-698 — BRAZING ALLOY,SILVER

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

5157-698: BRAZING ALLOY,SILVER.

The BRAZING ALLOY,SILVER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, reducer_type: CONCENTRIC, connection_type: UNTHREADED INTERNAL TUBE FIRST END, connection_style: PLAIN (TUBE) SECOND END, operating_pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS, maximum_operating_temp: 425.0 FAHRENHEIT FIRST RESPONSE DEGF. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-080-3897, 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
5157-698
NSN: 4730-01-080-3897
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 72423 — FLAGG STANLEY G & CO INC DBA FLAGG BRASS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
reducer_typeCONCENTRIC
connection_typeUNTHREADED INTERNAL TUBE FIRST END
connection_stylePLAIN (TUBE) SECOND END
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
maximum_operating_temp425.0 FAHRENHEIT FIRST RESPONSE DEGF
nominal_overall_length3.375 INCHES IN
media_for_which_designedSTEAM FIRST RESPONSE
nondefinitive_spec/std_dataA TYPE
specification/standard_data81349-MIL-F-1183G GOVERNMENT SPECIFICATION G
furnished_items_and_quantity1 PREINSERTED BRAZING RING
departure_from_cited_designatorAS MODIFIED BY SIZE
NSN4730-01-080-3897
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5157-698 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 PREINSERTED BRAZING RING
•
CONNECTION STYLE: PLAIN (TUBE) SECOND END
•
NOMINAL OVERALL LENGTH: 3.375 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 6.625 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 PREINSERTED BRAZING RING
CONNECTION STYLEPLAIN (TUBE) SECOND END
CONNECTION STYLEREDUCED SOCKET W/ ONE BRAZING RING (TUBE) FIRST END
NOMINAL OVERALL LENGTH3.375 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED6.625 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED4.500 INCHES FIRST END IN
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 3
MIL-F-1183Reference document
Same NSN cross-reference
Reference document — Secondary reference
00699067575912Reference document
Same NSN cross-reference
Reference document — Secondary reference
NS269-9664Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 5157-698?
5157-698 is a BRAZING ALLOY,SILVER.
What parts can replace 5157-698?
There are 3 known substitutes for 5157-698: MIL-F-1183, 00699067575912, NS269-9664. Substitute compatibility should be verified for your specific system.
What is the NSN for 5157-698?
5157-698 is cataloged in the U.S. Government catalog under NSN 4730-01-080-3897. This indicates validated use in U.S. government and defense supply chains.
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