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AS125858 — ADAPTER,STRAIGHT,PIPE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AS125858: ADAPTER,STRAIGHT,PIPE TO BOSS.

The ADAPTER,STRAIGHT,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1137 OR STEEL COMP 1141 OVERALL, body_type: SOLID, head_type: SOLID, drive_end_style: RECESSED HEXAGON, connection_style: PLAIN, thread_direction: RIGHT-HAND EXTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-277-6326, 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
AS125858
NSN: 4730-00-277-6326
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1137 OR STEEL COMP 1141 OVERALL
body_typeSOLID
head_typeSOLID
drive_end_styleRECESSED HEXAGON
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
surface_treatmentCADMIUM OVERALL
nominal_thread_size1.250 INCHES EXTERNAL IN
end_item_identificationAIRCRAFT APPLICATION
thread_series_designatorANPT EXTERNAL
nominal_pipe_size_for_which_designed1.250 INCHES IN
surface_treatment_document_and_classificationQQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4730-00-277-6326
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS125858 · 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
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 1.250 INCHES IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: PLAIN
•
DRIVE END STYLE: RECESSED HEXAGON
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
NOMINAL THREAD SIZE: 1.250 INCHES EXTERNAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
HEAD TYPESOLID
NOMINAL PIPE SIZE FOR WHICH DESIGNED1.250 INCHES IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEPLAIN
DRIVE END STYLERECESSED HEXAGON
THREAD DIRECTIONRIGHT-HAND EXTERNAL
NOMINAL THREAD SIZE1.250 INCHES EXTERNAL IN
SURFACE TREATMENTCADMIUM OVERALL
BODY TYPESOLID
END ITEM IDENTIFICATIONAIRCRAFT APPLICATION
SUBSTITUTES & CROSS-REFERENCES 4
SAE-AS4842Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS27769-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MILF5509Reference document
Same NSN cross-reference
Reference document — Secondary reference
AN932-8Reference 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 AS125858?
AS125858 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace AS125858?
There are 4 known substitutes for AS125858: SAE-AS4842, MS27769-8, MILF5509 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS125858?
AS125858 is cataloged in the U.S. Government catalog under NSN 4730-00-277-6326. This indicates validated use in U.S. government and defense supply chains.
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