QQ-C-390B

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

The QQ-C-390B is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, body_style: INTERNAL FLANGE W/EXTERNAL LOCKING FLANGE, corner_shape: SQUARE INSIDE LEFT CORNER, corner_radius: 0.750 INCHES NOMINAL INSIDE RIGHT CORNER IN, overall_length: 1.188 INCHES NOMINAL IN, surface_finish: 225.0 MICROINCHES RIGHT FACE. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-375-4945, 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

QQ-C-390B

NSN: 4320-00-375-4945
NIINs: 003754945, 005372153, 005643356, 007926172, 009390464
FSC: 4320 — Power and Hand Pumps
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
body_style	INTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
corner_shape	SQUARE INSIDE LEFT CORNER
corner_radius	0.750 INCHES NOMINAL INSIDE RIGHT CORNER IN
overall_length	1.188 INCHES NOMINAL IN
surface_finish	225.0 MICROINCHES RIGHT FACE
distance_from_end	0.396 INCHES NOMINAL IN
surface_treatment	CADMIUM OVERALL
peripheral_diameter	3.120 INCHES MINIMUM AND 3.122 INCHES MAXIMUM IN
body_inside_diameter	3.233 INCHES MINIMUM AND 3.235 INCHES MAXIMUM IN
center_hole_diameter	2.501 INCHES MINIMUM AND 2.503 INCHES MAXIMUM IN
body_outside_diameter	4.119 INCHES MINIMUM AND 4.121 INCHES MAXIMUM IN
NSN	4320-00-375-4945

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRONZE,MIL-B-16261,GRADE 1,1.014 IN. ID,1.749 IN. OD,1.938 IN. LG,0.031 IN. BY 45 DEG,7 GROOVES 0.094 IN. W,0.063 IN. DEEP,0.063 IN. BETWEEN GROOVES IN

TECHNICAL CHARACTERISTICS

GENERAL CHARACTERISTICS ITEM DESCRIPTION

BRONZE,MIL-B-16261,GRADE 1,1.014 IN. ID,1.749 IN. OD,1.938 IN. LG,0.031 IN. BY 45 DEG,7 GROOVES 0.094 IN. W,0.063 IN. DEEP,0.063 IN. BETWEEN GROOVES IN

SUBSTITUTES & CROSS-REFERENCES 3

9R-1151 PC12Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

R-1151Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

871B0001Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is QQ-C-390B?

QQ-C-390B is a NO ITEM NAME AVAILABLE.

What parts can replace QQ-C-390B?

There are 3 known substitutes for QQ-C-390B: 9R-1151 PC12, R-1151, 871B0001. Substitute compatibility should be verified for your specific system.

What is the NSN for QQ-C-390B?

QQ-C-390B is cataloged in the U.S. Government catalog under NSN 4320-00-375-4945. This indicates validated use in U.S. government and defense supply chains.

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