501821 — TUBE,RELIEF VALVE,FUEL TANK

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

501821: TUBE,RELIEF VALVE,FUEL TANK.

The TUBE,RELIEF VALVE,FUEL TANK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, head_style: HEXAGON, grip_length: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, head_height: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.624 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 1560-00-908-4889, 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

501821

NSN: 1560-00-908-4889
NIINs: 009084889, 009399733
FSC: 1560 — Airframe Structural Components
CAGE: 62793 — BFM ENERGY PRODUCTS CORP (USA)

SPECIFICATIONS

material	STEEL COMP 8740 OVERALL
head_style	HEXAGON
grip_length	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
head_height	0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
thread_class	3A A
thread_length	0.624 INCHES MINIMUM IN
surface_finish	32.0 MICROINCHES THREADS
fastener_length	1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN
hardness_rating	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
features_provided	UNFINISHED HEAD
width_between_flats	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
NSN	1560-00-908-4889

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM ALLOY WW-T-700/6,9.580 IN. LG,ONE /1/ FLANGE 3.380 IN. LG 3.000 IN. W 0.250 IN. THK,2 HOLES 0.375 IN. DIA 2 SLOTS 0.375 IN. W ON 2.375 IN. MTG CENTERS,U/O 600 GAL FUEL TANK,AFCT IN

TECHNICAL CHARACTERISTICS

GENERAL CHARACTERISTICS ITEM DESCRIPTION

ALUMINUM ALLOY WW-T-700/6,9.580 IN. LG,ONE /1/ FLANGE 3.380 IN. LG 3.000 IN. W 0.250 IN. THK,2 HOLES 0.375 IN. DIA 2 SLOTS 0.375 IN. W ON 2.375 IN. MTG CENTERS,U/O 600 GAL FUEL TANK,AFCT IN

SUBSTITUTES & CROSS-REFERENCES 1

502109Same 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)Demilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 501821?

501821 is a TUBE,RELIEF VALVE,FUEL TANK.

What parts can replace 501821?

There is 1 known substitute for 501821: 502109. Substitute compatibility should be verified for your specific system.

What is the NSN for 501821?

501821 is cataloged in the U.S. Government catalog under NSN 1560-00-908-4889. This indicates validated use in U.S. government and defense supply chains.

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501821 — TUBE,RELIEF VALVE,FUEL TANK

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