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Technical Data Sheet
PartsTable / COMPONENT / S73770C
S73770C ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The CLAMP,HOSE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OVERALL, inside_diameter: 0.688 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN, special_features: THUMB SCREW STEEL, CADMIUM PLATED, 1/4 IN.-20 IN, style_designator: BAND, surface_treatment: PASSIVATE OVERALL, fastening_device_type: THUMB HEAD SCREW. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-913-7330, 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
S73770C
NSN: 4730-00-913-7330
FSC: 4730
CAGE: 20512 — SARGENT-WELCH SCIENTIFIC CO (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OVERALL
inside_diameter0.688 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN
special_featuresTHUMB SCREW STEEL, CADMIUM PLATED, 1/4 IN.-20 IN
style_designatorBAND
surface_treatmentPASSIVATE OVERALL
fastening_device_typeTHUMB HEAD SCREW
material_document_and_classificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-913-7330
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: S73770C · 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
•
MATERIAL: STEEL COMP 301 OVERALL
•
STYLE DESIGNATOR: BAND
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
FASTENING DEVICE TYPE: THUMB HEAD SCREW
•
INSIDE DIAMETER: 0.688 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 301 OVERALL
STYLE DESIGNATORBAND
SURFACE TREATMENTPASSIVATE OVERALL
SPECIAL FEATURESTHUMB SCREW STEEL, CADMIUM PLATED, 1/4 IN.-20 IN
FASTENING DEVICE TYPETHUMB HEAD SCREW
INSIDE DIAMETER0.688 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
22046-14Interchangeable
interchangeable cross-reference
interchangeable
MILR25897Interchangeable
interchangeable cross-reference
interchangeable
4400173-0140Interchangeable
interchangeable cross-reference
interchangeable
82014Interchangeable
interchangeable cross-reference
interchangeable
425-5666Interchangeable
interchangeable cross-reference
interchangeable
6625PL0737936Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S73770C?
S73770C is a CLAMP,HOSE.
What parts can replace S73770C?
There are 10 known substitutes for S73770C: 22046-14, MILR25897, 4400173-0140 and 7 more. Substitute compatibility should be verified for your specific system.
Is S73770C still available?
S73770C is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026