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MSS8779066 — REDUCER,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

MSS8779066: REDUCER,PIPE.

The REDUCER,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, reducer_type: CONCENTRIC, connection_type: UNTHREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND END, special_features: MATERIAL IN ACCORDANCE W/ASTM STD A-105,GRADE 11, nominal_overall_length: 1.625 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-877-9066, 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
MSS8779066
NSN: 4730-00-877-9066
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 62727 — MID-STATE SALES, INC. DIV DEFENSE PRODUCTS GROUP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
reducer_typeCONCENTRIC
connection_typeUNTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND END
special_featuresMATERIAL IN ACCORDANCE W/ASTM STD A-105,GRADE 11
nominal_overall_length1.625 INCHES IN
departure_from_cited_documentAS MODIFIED BY MATERIAL
nominal_pipe_size_accommodated0.500 INCHES FIRST END IN
pipe_wall_thickness_designation_for_which_designedSCHEDULE 80 FIRST END
NSN4730-00-877-9066
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MSS8779066 · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.000 INCHES SECOND END IN
•
CONNECTION STYLE: SOCKET (PIPE) FIRST END
•
NOMINAL OVERALL LENGTH: 1.625 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE FIRST END
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY MATERIAL
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES SECOND END IN
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES FIRST END IN
CONNECTION STYLESOCKET (PIPE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL OVERALL LENGTH1.625 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL PIPE FIRST END
CONNECTION TYPEUNTHREADED EXTERNAL PIPE SECOND END
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY MATERIAL
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE 80 FIRST END
SPECIAL FEATURESMATERIAL IN ACCORDANCE W/ASTM STD A-105,GRADE 11
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 2
1X1/2SW-503Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS8779066Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MSS8779066?
MSS8779066 is a REDUCER,PIPE.
What parts can replace MSS8779066?
There are 2 known substitutes for MSS8779066: 1X1/2SW-503, MS8779066. Substitute compatibility should be verified for your specific system.
What is the NSN for MSS8779066?
MSS8779066 is cataloged in the U.S. Government catalog under NSN 4730-00-877-9066. This indicates validated use in U.S. government and defense supply chains.
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