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ST57D100-7 — COUPLING,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

ST57D100-7: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-10 OVERALL, connection_style: SOCKET (TUBE) FIRST END, style_designator: PLAIN, surface_treatment: PASSIVATE OVERALL, nominal_overall_length: 1.580 INCHES IN, material_document_and_classification: AMS 5656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-009-3397, 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
ST57D100-7
NSN: 4730-00-009-3397
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 04236 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL COMP XM-10 OVERALL
connection_styleSOCKET (TUBE) FIRST END
special_featuresTHE INTERNAL SURFACE OF THE PERMASWAGE END,WILL BE POLYTETRAFLOROETHYLENE COATED,PER DEUTSCH CO,SPEC NO. DMCPS1009,TO 0.410 IN. MIN 0.435 IN. MAX,INTO THE FITTING BORE IN
style_designatorPLAIN
surface_treatmentPASSIVATE OVERALL
nominal_overall_length1.580 INCHES IN
material_document_and_classificationAMS 5656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated0.500 INCHES ALL ENDS IN
surface_treatment_document_and_classificationMIL-F-14072,E300,TY2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
NSN4730-00-009-3397
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ST57D100-7 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
•
CONNECTION STYLE: SWAGED W/ GROOVES (TUBE) SECOND END
•
NOMINAL OVERALL LENGTH: 1.580 INCHES IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300,TY2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
CONNECTION STYLESWAGED W/ GROOVES (TUBE) SECOND END
CONNECTION STYLESOCKET (TUBE) FIRST END
NOMINAL OVERALL LENGTH1.580 INCHES IN
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES ALL ENDS IN
SPECIAL FEATURESTHE INTERNAL SURFACE OF THE PERMASWAGE END,WILL BE POLYTETRAFLOROETHYLENE COATED,PER DEUTSCH CO,SPEC NO. DMCPS1009,TO 0.410 IN. MIN 0.435 IN. MAX,INTO THE FITTING BORE IN
SURFACE TREATMENTPASSIVATE OVERALL
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
H10010-08Reference document
Same NSN cross-reference
Reference document — Secondary reference
LD83024-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
D10010-8Reference 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 ST57D100-7?
ST57D100-7 is a COUPLING,TUBE.
What parts can replace ST57D100-7?
There are 3 known substitutes for ST57D100-7: H10010-08, LD83024-8, D10010-8. Substitute compatibility should be verified for your specific system.
What is the NSN for ST57D100-7?
ST57D100-7 is cataloged in the U.S. Government catalog under NSN 4730-00-009-3397. This indicates validated use in U.S. government and defense supply chains.
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