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GC501B — CLAMP,HOSE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

GC501B: CLAMP,HOSE.

The CLAMP,HOSE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 BOLT, temp_rating: 450.0 FAHRENHEIT DEGF, overall_width: 1.250 INCHES NOMINAL IN, inside_diameter: 4.187 INCHES NOMINAL IN, style_designator: BAND, surface_treatment: CADMIUM BOLT. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-042-4885, 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
GC501B
NSN: 4730-01-042-4885
NIINs: 010424885, 010424886, 010789233, 010789234, 012166776
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 BOLT
temp_rating450.0 FAHRENHEIT DEGF
overall_width1.250 INCHES NOMINAL IN
inside_diameter4.187 INCHES NOMINAL IN
style_designatorBAND
surface_treatmentCADMIUM BOLT
fastening_device_typePLAIN HEXAGON HEAD SCREW
specification/standard_data26512-GC501B PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
material_document_and_classificationMIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE BOLT
surface_treatment_document_and_classificationQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE BOLT
NSN4730-01-042-4885
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: GC501B · 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
•
TEMP RATING: 250.0 FAHRENHEIT DEGF
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE BOLT
•
FASTENING DEVICE TYPE: SELF-LOCKING HEXAGON NUT
•
STYLE DESIGNATOR: BAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE NUT
•
SPECIFICATION/STANDARD DATA: 26512-GC501B PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
TECHNICAL CHARACTERISTICS
TEMP RATING250.0 FAHRENHEIT DEGF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE BOLT
FASTENING DEVICE TYPESELF-LOCKING HEXAGON NUT
STYLE DESIGNATORBAND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059,1/4 OR 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE BAND
OVERALL WIDTH0.750 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA26512-GC501B PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
INSIDE DIAMETER2.750 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM NUT
SUBSTITUTES & CROSS-REFERENCES 2
GC501B-A275Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
T40C-75-275SSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GC501B?
GC501B is a CLAMP,HOSE.
What parts can replace GC501B?
There are 2 known substitutes for GC501B: GC501B-A275, T40C-75-275S. Substitute compatibility should be verified for your specific system.
What is the NSN for GC501B?
GC501B is cataloged in the U.S. Government catalog under NSN 4730-01-042-4885. This indicates validated use in U.S. government and defense supply chains.
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